Ferocactus horridus sp nov

Globular, 3 dm. in diameter or more ribs 13, broad, 2 cm. high, obtuse, not tubercled areoles 1.5 to 2.5 cm. apart, large radial spines 8 to 12, acicular, spreading, white, 3 to 4 cm. long central spines 6 to 8, very diverse, all reddish, either spreading or porrect, all straight except 1, this much elongated, often 12 cm. long, much flattened, very strongly hooked flowers and fruit unknown. Collected by J. N. Rose on San Francisquito Bay, Lower California, April 9, 1911 (No. 16746). Only very...

Echinofossulocactus albatus Dietrich

Gartenz. 14 170. 1846. Simple, depressed-globose, 10 to 12 cm. in diameter, glaucous, the apex covered with spines ribs about 35, flat, undulate spines yellowish white radial spines 10, setaceous, 1 cm. long central spines 4, the uppermost flat and annulate (according to Schumann), the central terete, porrect flowers white, 2 cm. long. We do not know this species. The plant described by Schumann may be different from the original of Dietrich.

Ferocactus melocactiformis De Candolle

Echinocactus melocactiformis De Candolle, Prodr. 3 462. 1828. Echinocactus histrix De Candolle, Mem. Mus. Hist. Nat. Paris 17 115. 1828. Echinocactus coulteri G. Don, Gen. Syst. 3 162. 1834. Echinocactus oxypterus Zuccarini in Pfeiffer, Enum. Cact. 57. 1837. Echinocactus electracanthus Lemaire, Cact. Aliq. Nov. 24. 1838. Echinocactus lancifer Reichenbach in Terscheck, Cact. Suppl. 2. Echinofossulocactus oxypterus Lawrence in Loudon, Gard. Mag. 17 318. 1841. Echinocactus electracanthus capuliger...

Neoporteria nigricans Linke

Gartenz. 25 239. 1857. Echinocactus nigricans Dietrich in Schumann, Gesamtb. Kakteen 420. 1898. Simple, short-cylindric, somewhat narrow at base ribs 55, strongly tuberculate, glaucous-green, compressed radial spines 8 or 9, somewhat curved, 7 mm. long central spines 1 or 2, 1.2 cm. long flowers 4.5 to 5 cm. long, white or yellowish green inner perianth-segments spreading, somewhat toothed above, acute stigma-lobes reddish or purplish scales on ovary and...

Epithelantha Weber

Plant globular, very small, the surface divided into numerous tubercles arranged in spiraled rows, mostly hidden by the numerous small spines flowers very small, from near the center of the plant, arising from upper part of the spine-areole on the young tubercles outer perianth-segments 3 to 5 inner perianth-segments few, often only 5 stamens few, usually 10, included fruit small, clavate, red, few-seeded seeds black, shining, rather large, with a large depressed hilum. Type species Mammillaria...

Ferocactus rostii sp nov

Sometimes growing in clumps of 8 to 10 heads but usually slender- cylindric, up to 3 meters high ribs 16 to 22, rather low (hardly 1 cm. high), obtuse, somewhat tubercled areoles large, white-felted, approximate spine-clusters closely set, the spines interlocking and almost hiding the body of the plant radial bristles sometimes wanting but when present 2 to 8, white or yellowish spines about 12, sometimes fewer, 3 or 4 central, those on the lower part of the plant more or less spreading, those...

Copiapoa marginata Salm Dyck

Echinocactus marginatus Salm-Dyck, Allg. Gartenz. 13 386. 1845. Echinocactus columnaris Pfeiffer, Abbild. Beschr. Cact. 2 under pl. 14. 1847. Echinocactus streptocaulon Hooker in Curtis's Bot. Mag. 77 pl. 4562. 1851. Echinocactus melanochnus Cels in Labouret, Monogr. Cact. 174. 1853. M. E. Eaton del. 1. Flowering plant of Echinopsis aurea. a.Hon& c,,. 2. Flowering plant of Copiapoa coquimbana. 3. Flowering plant of Lophophora williamsii. Plants subcylindric, growing in clusters of 2 to 9,...

Echinofossulocactus pentacanthus Lemaire

Echinocactus pentacanthus Lemaire, Cact. Aliq. Nov. 27. 1838. Echinocactus biceras Jacobi, Allg. Gartenz. 16 370. 1848. Echinocactus anfractuosuspentacanthus Salm-Dyck, Cact. Hort. Dyck. 1849.31. 1850. Simple, depressed- globose to short-cylindric, more or less glaucous ribs about 25, perhaps even 40 to 50 areoles only a few to the rib spines 5, unequal, grayish red, hardly angled, flattened 3 upper spines erect or spreading 2 lower spines much slenderer and shorter than the upper flowers large...

Hamatocactus gen nov

Globose to short-cylindric, of flabby texture like an Echinocereus, distinctly ribbed, the ribs more or less spiraled areoles circular spines radial and central, one of them usually hooked flower-bud pointed, covered with imbricating scales flower-tube narrow, funnelform limb broad scales on the ovary few, fugacious, small, naked in their axils fruit small, globular, red, dehiscing by a basal pore seeds black, tuberculate hilum large, basal, circular embryo straight cotyledons short and thick....

Lobivia pentlandii Hooker

Echinocactus pentlandii Hooker in Curtis's Bot. Mag. 70 pl. 4124. 1844. Echinopsis pentlandii Salm-Dyck in Dietrich, Allg. Gartenz. 14 250. 1846. Echinopsis maximiliana Heyder in Dietrich, Allg. Gartenz. 14 250. 1846. Echinopsis tricolor Dietrich, Allg. Gartenz. 16 210. 1848. Echinopsis pentlandii coccinea Salm-Dyck, Cact. Hort. Dyck. 1849. 38. 1850. Echinopsis scheeri Salm-Dyck, Cact. Hort. Dyck. 1849. 179. 1850. Echinopsis pentlandii laevior Monville in Labouret, Monogr. Cact. 290. 1853....

Echinofossulocactus arrigens Link

Echinocactus arrigens Link in Dietrich, Allg. Gartenz. 8 161. 1840. Echinocactus sphaerocephalus M hlenpfordt, Allg. Gartenz. 14 370. 1846. Echinocactus allardtianus Dietrich, Allg. Gartenz. 15 178. 1847. Echinocactus arrigens atropurpureus Salm-Dyck, Cact. Hort. Dyck. 1849. 31, 162. 1850. Plants simple, deep-seated in the soil, globular, 5 to 7 cm. in diameter, glaucescent, more or less depressed at the apex ribs 24, thin and wavy spines 8 to 11, yellow (according to Schumann) uppermost spine...

Matucana haynei Otto

Echinocactus haynii Otto in Salm-Dyck, Cact. Hort. Dyck. 1849. 165. 1850. Cereus hayni Croucher, Garden 13 290. 1878. Stems generally single, usually globular but sometimes short-cylindric, normally 8 to 10 cm. in diameter but in cultivation sometimes 30 cm. high, densely covered and nearly concealed under the numerous spines ribs 25 or more, tuberculate areoles set closely together, with an abundance of wool when young, but without any when old spines numerous, long and weak, the stouter ones...

Ferocactus lecontei Engelmann

Echinocactus lecontei Engelmann, Proc. Amer. Acad. 3 274. 1856. Echinocactus wislizeni lecontei Engelmann in Rothrock, Rep. U. S. Geogr. Surv. 6 128. 1878. Becoming cylindric, 2 meters high or more, rather slender ribs numerous, 20 to 30, somewhat undulate areoles longer than broad some of the radial spines thread-like or bristly the other radials and the central spines flattened and flexible, usually appressed against the plant, most of them ascending, rarely if ever hooked, white to red...

Neoporteria occulta Philippi

Atac. 23. i860. Plants globular to short-cylindric, 5 to 8 cm. high, somewhat depressed at apex ribs about 14, obtuse, separated by acute intervals, strongly tubercled tubercles somewhat rhombic in shape, with a chin at the base areoles 1.5 cm. apart, rather narrow and depressed spines wanting or when present 1 to 10, unequal, 1 to 4 cm. long, puberulent, blackish flowers central, 2.5 cm. long but 5 cm. broad outer perianth-segments spatulate, finely toothed...

Echinofossulocactus dichroacanthus Martius

Echinocactus dichroacanthus Martins in Pfeiffer, Enum. Cact. 62. 1837. Echinocactus dichroacanthus spinosior Monville in Labouret, Monogr. Cact. 213. 1853. Plant obovoid, dull green, 15 cm. high, 10 cm. in diameter, somewhat umbilicate at apex ribs 32, thin, acute, undulate, somewhat wavy areoles only a few on each rib, white-tomentose upper spines 3, erect, flattened, purplish radial spines 4 to 6, white flowers and fruit unknown. Schumann's description differs somewhat from the original, but...

Echinofossulocactus lancifer Dietrich

Echinocactus lancifer Dietrich, Allg. Gartenz. 7 134. 1839. Echinocactus dietrichii Heynhold, Nom. 2 92. 1846. Nearly ovoid, somewhat depressed at apex ribs numerous, strongly compressed, undulate areoles few to each rib, when young tomentose spines 8, white or brownish at apex some of them broad and flat flowers rather large, rose-colored flower-tube described as long perianth-segments linear-oblong, widely spreading. Pfeiffer in 1837 attempted to identify Echinocactus obvallatus with certain...

Echinofossulocactus zacatecasensis sp nov

Plants solitary, globular, 8 to 10 cm. in diameter ribs pale green very thin, about 55 radial spines 10 to 12, spreading, acicular, white, 8 to 10 mm. long central spines 3, brownish, 2 of them terete, but the middle one flattened, erect or connivent, longer than the other 2, sometimes 3 to 4 cm. long, never annulate flowers 3 to 4 cm. broad, nearly white inner perianth-segments linear-oblong, with an ovate apiculate tip, slightly tinged with lavender, 15 mm. long style slender stigma-lobes...

Ferocactus flavovirens Scheidweiler

Echinocactus flavovirens Scheidweiler, Allg. Gartenz. 9 50. 1841. Plant cespitose, forming great masses, pale green, 3 to 4 dm. high stems 1 to 2 dm. in diameter ribs 13, rarely 11 or 12, 1 to 2 cm. high, acute, somewhat sinuate areoles 2 cm. apart, large, grayish, woolly spines pale brown, becoming gray in age, long and stout centrals , much longer than the radials, somewhat unequal, the longer ones 5 to 8 cm. long flowers and fruit not seen flower-buds globular, covered with long linear...

Ferocactus diguetii Weber

Mus. Hist. Nat. Paris 4 100. 1898. Plants very stout, usually 1 to 2 meters, but sometimes 3 and 4 meters, high, 6 to 8 dm. in diameter or more ribs numerous, sometimes as many as 39, rather thin areoles large, 1 to 1.5 cm. long, somewhat elliptic, approximate or on old plants coalescent spines 6 to 8, yellow, subulate, 3 to 4 cm. long, slightly curved and a little spreading flowers numerous, 3 to 3.5 cm. long scales on ovary and flower-tube ovate, closely...

R6the cactaceae

Echinocereus subinermis Salm-Dyck in Seemann, Bot. Herald 291. 1856. Cereus subinermis Hemsley, Biol. Contr. Amer. Bot. 1 546. 1880. At first simple, 10 to 12 cm. high, afterwards a little branching at base, when young pale green, afterwards bluish and finally darker green, erect ribs 5 to 8, broad, somewhat sinuate spines all radial, small, conic, 1 to 2 mm. long, yellow, 3 or 4, deciduous flowers large, 5 to 7 cm. long, yellow perianth-segments oblanceolate, acute spines of areoles on...

The cactaceae

Type species Echinocactus erectocentrus Coulter. The species which we have referred to this genus resemble in size, form, and habit the species of Coryphantha much more than they do the species of Echinocactus or Ferocactus. This resemblance is strengthened by definite tubercles on the ribs. Schumann referred them all to Thelocactus, his very complex subgenus of Echinocactus. The generic name is from exivog hedgehog, and mactcog breast, referring to the spiny tubercles of the plant. We...

Arequipa leucotricha Philippi

Echinocactus leucotrichus Philippi, Anal. Mus. Nac. Chile 18912 27. 1891. Echinocactus clavatus S hrens, Monatsschr. Kakteenk. 10 27. 1900. Echinopsis hempeliana G rke, Monatsschr. Kakteenk. 16 94. 1906. Echinocactus rettigii Quehl, Monatsschr. Kakteenk. 29 129. 1919. Plants simple or cespitose, sometimes branching, globular or sometimes elongated (4 to 6 din. long) and then often prostrate, usually covered with spines but naked below when very old ribs 10 to 20, closely set, low areoles close...

Key to Genera

Flower-tube bent stamens Denmoza (p. 78) AA. Flower-tube straight, usually with a broad throat stamens included. B. Ovary and fruit naked. (See Copiapoa.) Plants spineless, except seedlings. Tubercles prominent, cartilaginous, flattened, more or less imbricated 2. Ariocarpus (p. 80) Tubercles low, rounded Lophophora (p. 83) Fruit crowned by sepal-like Copiapoa (p. 85) Fruit fleshy, indehiscent 7. Epithelantha (p. 92) C. Flowers funnelform, often with a slender tube. Axils of flower-scales...

Lobivia grandis sp nov

Depressed-globose to short-cylindric, 2.5 dm. high, bright green ribs 14 to 16, prominent, 2 cm. high, broad at base, rounded on margin areoles somewhat depressed, circular, 2 to 3 cm. apart, white-felted when young spines 10 to 15, yellow with brown tips, acicular to slender-subulate, elongated, 6 to 8 cm. long flowers lateral, straight, 6 cm. long, with a stout funnelform tube 2 cm. thick and a rather small limb inner perianth-segments ovate, acuminate, subulate-tipped, 1.5 Fig. 75. Flower of...

Lobivia ferox sp nov

Roots fibrous plants globular, dm. in diameter or more, almost hidden by the long upwardly curved spines ribs numerous, often as many as 29, deeply undulate and broken into thin, acute tubercles 2 to 3 cm. long spines light brown, sometimes mottled radial spines 10 to 12, slender, 4 to 6 cm. long, somewhat curved central spines 3 or 4, somewhat flattened in one vertical row, rather weak, curved upward, 10 to 15 cm. long flower-buds woolly flowers and fruit not seen. Collected on dry hills east...

Echinofossulocactus heteracanthus Mhlenpfordt

Echinocactus heteracanthus M hlenpfordt, Allg. Gartenz. 13 345. 1845. Echinocactus tetraxiphus Otto in Schumann, Gesamtb. Kakteen 363. 1898. Globose to short-cylindric, light green, nearly hidden by the closely set spines ribs 30 to 34, much compressed, somewhat undulate areoles white, hairy when young radial spines 11 to 13 (16 to 18, according to Schumann), acicular, white, spreading central spines 4, brownish to flesh-colored, more or less annulate, compressed flowers and fruit unknown to...

Hamatocactus setispinus Engelmann

Echinocactus setispinus Engelmann, Bost. Journ. Nat. Hist. 5 246. 1845. Echinocactus muehlenpfordtii Fennel, Allg. Gartenz. 15 65. 1847. Echinocactus hamatus M hlenpfordt, Allg. Gartenz. 6 8. 1848. Not Forbes, 1837. Echinocactus setispinus hamatus Engelmann, Bost. Journ. Nat. Hist. 6 201. 1850. Echinocactus setispinus setaceus Engelmann, Bost. Journ. Nat. Hist. 6 201. 1850. Echinocactus setispinus cachetianus Labouret, Monogr. Cact. 203. 1853. Echinocactus hamulosus Regel, Ind. Sem. Hort....

Lobivia shaferi sp nov

Cespitose, at first globose, becoming cylindric, 7 to 15 cm. high, 2.5 to 4 cm. in diameter, densely covered with spines ribs about 10, very low areoles approximate radial spines 10 to 15, acicular, white or brown, 1 cm. long or less central spines several, one often much stouter than the others, 3 cm. long buds very hairy flowers 4 to 6 cm. long, funnelform, bright yellow, the tube stout, the limb 3 to 4 cm. broad scales on ovary and flower-tube linear to ovate-linear, acute, their axils...

Matucana gen nov

Usually simple, small and globular, rarely elongated ribs numerous, broad, low, somewhat tubercled areoles approximate, very woolly when young, with numerous acicular or bristly spines flower slender, tubular, scarlet, with a narrow limb scales on the ovary and flower-tube scattered, naked in their axils fr uit not known. Type species Echinocactus haynei Otto. The genus as known to us consists of one species, confined to the high mountains of central Peru. The generic name is that of the small...

Lobivia cinnabarina Hooker

Echinocactus cinnabarinus Hooker in Curtis's Bot. Mag. 73 pl. 4326. 1847. Echinocactus cinnabarinus spinosior Salm-Dyck, Cact. Hort. Dyck. 1849. 35, 176. 1850. Echinopsis cinnabarina Labouret, Monogr. Cact. 288. 1853. Echinopsis chereauniana Schlumberger, Rev. Hort. IV. 5 402. 1856. Echinopsis cinnabarina spinosior R mpler in F rster, Handb. Cact. ed. 2. 618. 5885. Echinocereus cinnabarinus Schumann in Engler and Prantl, Pflanzenfam. 3 185. 1894. Stems simple, broader than high, usually...

Echinopsis shaferi sp nov

Simple, erect, cylindric, up to 1.5 meters high, 16 to 18 cm. in diameter, dark green ribs 10 to 12, 2 cm. high, separated by acute intervals areoles approximate, I cm. apart or less radial spines straight, at first brownish, but Flc. 87. Fruit of gray in age, slender, subulate, 6 to 9, 1.5 to 3.5 cm. long, somewhat spreading Echinopsis shaferi. central spine solitary, 10 cm. long or less, ascending, somewhat curved, the upper ones more or less connivent over the top of the plant flower...

Denmoza gen nov

Plant cylindric, often elongated, the numerous, parallel straight ribs slightly undulate spines in clusters at the areoles flowers arising from the top of the plant, zygomorphic, scarlet, with a slender throat and very narrow limb tube proper very short, its mouth closed with a mass of white wool inner surface of the elongated throat covered with stamens filaments and style long-exserted ovary and tube bearing numerous scales, their axils filled with silky hairs fruit globular, dry, splitting...

Lobivia saltensis Spegazzini

Echinopsis saltensis Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4 487. 1905. Plants at first simple but becoming densely cespitose, light green, shining ribs 17 or 18, low, obtuse, crenate spines all short and straight radial spines 12 to 14, 4 to 6 mm. long central spines 1 to 4, stouter than the radials, 10 to 12 mm. long flowers on the side of the plant near the middle, inodorous, 4 cm. long perianth-segments red, short, obovate, 10 to 12 mm. long, obtuse scales on ovary naked in their...

Illustrations

Plant of Ferocactus wislizeni near Pima Canyon, Plate 2. (1) Top of flowering plant of Echinocereus coccineus. (2) Flower of same. (3) Flowering plant of Echinocereus chloranthus. (4) Flowering plant of Echinocereus viridiflorus. (5) Flowering Plate 3. (1) Top of flowering plant of Echinocereus pentalophus. (2) Flowering plant of Echinocereus fitchii. (3) Top of flowering plant of Echinocereus grandis. (4) Flowering plant of Echinocereus blanckii 22 Plate 4. (1) Top of flowering plant...

Malacocarpus Courantii

Plants globular to columnar flowers 4 to 6 cm. long 1. A. myriostigma Plants much depressed flowers 3 cm. A. asterias Spines flat, ribbon-like, hardly A. capricorne 1. Astrophytum myriostigma Lemaire, Cact. Gen. Nov. Sp. 4. 1839. Cereus callicoche Galeotti in Scheidweiler, Bull. Acad. Sci. Brux. 61 88. 1839. Echinocactus myriostigma Salm-Dyck, Cact. Hort. Dyck. 1844. 22. 1845. Astrophytum prismaticum Lemaire, Cact es 50. 1868. Echinocactus myriostigma columnaris Schumann, Gesamtb. Kakteen 321....

Echinofossulocactus tricuspidatus Scheidweiler

Echinocactus tricuspidatus Scheidweiler, Allg. Gartenz. 9 51. 1841. Echinocactus melmsianus Wegener, Allg. Gartenz. 12 6. 1844. Echinocactusphyllacanthus tricuspidatus F rster, Handb. Cact. 311. 1846. Globose to short-cylindric, 5 to 8 cm. broad ribs numerous, 30 to 55, thin, wavy areoles at first lanate, afterwards naked spines 5 (Schumann says 9 to 11), the upper one thin, compressed, sometimes 3-toothed at apex, 8 to 33 mm. long, reddish with a black tip the other 4 spines spreading, more or...

Copiapoa megarhiza sp nov

Plants with large fleshy roots, sometimes 25 cm. long and 7 to 8 cm. in diameter, usually single, rarely in 2's and 3's, globular to elongate-cylindric, 8 to 26 cm. long, 4 to 9 cm. in diameter, dull green to almost white ribs usually 13, very low crown of plant covered with long white wool at flowering time spines about 12, 1.5 cm. long, rather stout, at first yellow but soon gray flowers yellow, 2.5 cm. long fruit green, 6 to 8 mm. long, naked, crowned by green scales seeds black, 2 mm. long....

Key to Speciescontinued

Central spine straight or more or less curved, but not hooked. Central spines flexible, thin. Central spines more or less appressed seeds very small, not angled, less Central spines more or less tortuous and spreading seeds larger than those of F. lecontei, more than 3 mm. long 9. F. Central spine dagger-like, straight, erect 10. F. BB. Areoles without marginal hairs or bristles. Radial spines different from the central. Central spines more or less hooked. Flowers lemon-yellow inner...

Ferocactus acanthodes Lemaire

Echinocactus acanthodes Lemaire, Cact. Gen. Nov. Sp. 106. 1839. Echinocactus viridescens cylindraceus Engelmann, Amer. Journ. Sci. II. 14 338. 1852. Echinocactus cylindraceus Engelmann, Proc. Amer. Acad. 3 275. 1856. At first globular but in age cylindric, sometimes nearly 3 meters high, very spiny ribs numerous, often as many as 27, acute, 1 to 2 cm. high areoles large, 1 cm. in diameter or more, densely brown-felted when young, closely set, often nearly contiguous spines often white or...

Subtribe 3 Echinocereanae

Cespitose Cactus Illustration

Mostly low, simple or cespitose, terrestrial cacti, the stems 1-jointed or rarely few-jointed, ribbed areoles borne on the ribs and spiniferous or rarely spineless flowers always solitary at lateral* areoles, funnelform to campanulate perianth-segments few to many fruit smooth or spiny, with few exceptions fleshy and indehiscent or splitting on one side seeds mostly black. We recognize 6 genera, all South American except Echinocereus. This subtribe, while somewhat uniform in its low, usually...

Key to Species

Tubercles not grooved on upper side Tubercles grooved on upper side. Plants small, 3 to 5 cm. broad . Plants large, 10 to 15 cm. broad 1. Ariocarpus retusus Scheidweiler, Bull. Acad. Sci. Brux. 5 492. 1838. Anhalonium prismaticum Lemaire, Cact. Gen. Nov. Sp. 1. 1839. Anhalonium retusum Salm-Dyck, Cact. Hort. Dyck. 1844. 15. 1845. Anhalonium elongatum Salm-Dyck, Cact. Hort. Dyck. 1849. 77. 1850. Anhalonium areolosum Lemaire, Illustr. Hort. 6 Misc. 35. 1859. Anhalonium pulvilligerum Lemaire,...

Ferocactus nobilis Linnaeus

Cactus nobilis Linnaeus, Mantissa 243. 1767. Cactus recurvus Miller, Dict. Gard. ed. 8. No. 3. 1768. Echinocactus recurvus Link and Otto, Verh. Var. Bef rd. Gartenb. 3 426. 1827. Melocactus recurvus Link and Otto, Verh. Var. Bef rd. Gartenb. 3 pl. 20. 1827. Echinocactus spiralis Karwinsky in Pfeiffer, Enum. Cact. 60. 1837. Echinocactus curvicornis Miquel, Linnaea 12 5. 1838. Echinocactus stellatus Scheidweiler, Allg. Gartenz. 8 338. 1840. Cereus recurvus Steudel, Nom. ed. 2. 1 335. 1840....

Lobivia longispina sp nov

Globose to cylindric, 10 cm. in diameter, up to 25 cm. high, bluish green ribs 25 to 50, rather low, deeply undulate, broken into acute tubercles 1 to 2 cm. long spines 10 to 15, slender, elongated, nearly straight, the longest 7 to 8 cm. long, yellowish to brown flowers funnelform, about 4 cm. long, slender, very hairy, the hairs long and white limb short fruit broadly obovoid, about 2 cm. thick, its scales distant, ovate, acuminate, 3 to 4 mm. long. Collected by J. A. Shafer in crevices of...

Ferocactus covillei sp nov

Plant simple, globular to short-cylindric, often 1.5 meters high ribs 22 to 32, 2 to 4 cm. high, rather thin, when young more or less tubercled, but when old hardly undulate areoles on small plants distant, often 3 to 4 cm. apart, but on old and flowering plants approximate or contiguous, densely brown-felted when young, naked in age, the spine-bearing areoles large and circular the flowering areoles more elongated and complex, divided into three parts, the lower part bearing spines, the...

Chamaecereus silvestrii Spegazzini

Mus. Nac. Buenos Aires 111. 4 483. 1905. Joints usually prostrate, sometimes 4 to 6 cm. high, pale green ribs about 6 to 9, but usually 8, low spines soft, white flowers orange-scarlet, about 7 cm. long, the axils of the scales bearing long black and white hairs and a few bristles flower-tube narrow, 2.5 to 3 cm. long perianth-segments in 3 or 4 series, spreading, 1 to 2 cm. long, 4 mm. broad, lanceolate, the outer ones acute, the inner shorter and obtuse...

Lobivia cachensis Spegazzini

Echinopsis cachensis Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4 493. 1905. Stems simple or tufted, 9 cm. high, 6.5 cm. in diameter ribs about 19, about 5 mm. high spines soft, hardly pungent, grayish, with yellowish tips radial spines 7 to 20, straight, 4 to 5 mm. long central spines 4, 1 or 2 of them longer and hooked flowers inodorous, 6 to 7 cm. long inner perianth-segments linear-lanceolate, red filaments dark purple style yellowish stigma-lobes 10, yellowish white, linear. Type...

Neoporteria fusca Mhlenpfordt

Echinocactus fuscus M hlenpfordt, Allg. Gartenz. 16 10. 1848. Echinocactus ebenacanthus Monville in Labouret, Monogr. Cact. 253. 1853. Echinocactus humilis R mpler in F rster, Handb. Cact. ed. 2. 471. 1885. Globular to short-cylindric, about 10 cm. in diameter ribs 12 or 13, dark green, somewhat tubercled radial spines 5 to 7, more or less ascending, brownish central spines 4, black when young, 3 cm. long flowers 3 cm. long, described as yellow, certainly very pale and nearly white scales on...

Echinofossulocactus confusus sp nov

Echinofossulocactus Gladiatus

Simple, pale green, stout, columnar to short-clavate, 6 to 15 cm. high, 6 to 8 cm. in diameter ribs 26 to 30, thin, low, wavy areoles 4 or 5 on each rib, 2 to 3 cm. apart spines all yellow, subulate radial spines 4 or 5, only slightly flattened, 7 to 10 mm. long central spine solitary, up to 4 cm. long, usually porrect flowers purplish, 4 cm. broad perianth-segments oblong, acute. Fig. 126. Echinofossulocactus gladiatus. Fig. 127. Echinofossulocactus confusus. Fig. 126. Echinofossulocactus...

Echinopsis bridgesii Salm Dyck Cact Hort Dyck 1849 181 1850

Hort. 180. 1847. Not Link and Otto, 1827. Echinopsis salmiana Weber, Dict. Hort. Bois 472. 1896. Cereus salmianus Cels in Weber, Dict. Hort. Bois 472. 1896, as synonym. Echinopsis salmiana bridgesii Schumann, Gesamtb. Kakteen 237. 1897. Plants usually in clumps of 3 to 6, low, 1 dm. in diameter or more ribs 10 to 12, high, not undulate areoles large, filled with spines and short brown wool spines about 10, brown when young, unequal flowers 15 to 18 cm. long,...

Rebutia steinmannii Solms Laubach

Echinocactus steinmannii Solms-Laubach, Bot. Zeit. 651 133. 1907. Small oblong plants about 2 cm. high 1 to 1.5 cm. in diameter ribs low, often spiraled, tubercled spines acicular, about 8 flowers from the side of the plant, erect, campanulate outer perianth-segments oblong, apiculate inner perianth-segments rounded. Type locality High mountains of Bolivia. Distribution Known only from the type locality. This very strange plant is unknown to us except from the description and illustrations, but...