Neoporteria fusca Mhlenpfordt

Echinocactus fuscus Mühlenpfordt, Allg. Gartenz. 16: 10. 1848.

Echinocactus ebenacanthus Monville in Labouret, Monogr. Cact. 253. 1853.

Echinocactus humilis Rümpler in Förster, 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 the flower-tube woolly and setose in their axils.

Type locality: Not cited.

Distribution: Andes of Chile.

Echinocactus hankeanus Förster (Handb. Cact. ed. 2. 471. 1885), referred here as a synonym by Schumann, was never described but first appeared as a synonym of Echinocactus humilis. The two varieties of Echinocactus ebenacanthus, minor and intermedius, were proposed by Labouret (Monogr. Cact. 254. 1853). To the former he referred as a synonym Echinocactus ebenacanthus affinis Cels.

Illustrations: Blühende Kakteen 1: pl. 51; Monatsschr. Kakteenk. 27: 135; Schelle, Handb. Kakteenk. 194. f. 127, as Echinocactus ebenacanthus.

Figure 106 is copied from the first illustration above cited.

DESCRIBED SPECIES, PERHAPS REFERABLE TO THIS GENUS.

Echinocactus CASTANEOIDES Cels in Salm-Dyck, Cact. Hort. Dyck. 1849. 165. 1850.

Simple, globose to short-columnar; ribs 15 to 20, tuberculate, light green; radial spines 18 to 20, acicular; central spines 6, larger than the radials; flowers very narrow, tubular.

Type locality: Not cited.

Distribution: Chile or Bolivia.

Schumann first placed this species near Echinocactus acutissimus and later referred it to a different section, placing it next to Echinocactus clavatus. He also says that it comes from Copiapo, Chile.

Mr. Söhrens sent a plant to Schumann, who called it Echinocactus castaneoides, but it was probably E. acutissimus.

Echinocactus kunzei* Förster, Handb. Cact. 293. 1846.

Spherical, sunken at top; ribs 16 to 21; spines bent upward, when young yellow, in age gray; radial spines 9 to 12; central spines 2 to 4, a little longer than the radials, 2.5 cm. long; flowers described as lateral, 6 to 8, 5.5 to 6 cm. long; scales of the ovary and flower-tube woolly and setose in their axils.

*Originally spelled kunzii.

Type locality: Chile.

Distribution: Mountain ridges in Chile.

In both the illustrations cited below the scales on the ovary and flower-tube are ovate and overlapping and are not shown as woolly or setose in their angles. Schumann, however, describes them as such and, if so, the species must be of this relationship.

Here we would refer the two varieties, brevispinosus Förster (Allg. Gartenz. 15: 51. 1847) and rigidior Salm-Dyck (Cact. Hort. Dyck. 1849. 33. 1850).

Echinocactus neumannianus Labouret (Monogr. Cact. 245. 1853) is referred by Schumann as a synonym of this species. It comes from Copiapo, Chile, and may be a different species.

Echinocactus neumannianus rigidior (Salm-Dyck, Cact. Hort. Dyck. 1844. 18. 1845) is only a name.

Schumann also refers here Echinocactus supertextus Pfeiffer (Abbild. Beschr. Cact. 2: under pl. 14. 1847), but the description reads more like that of E. curvispinus. This is the conclusion reached by Mr. Söhrens of Santiago. Specimens so named in the Philippi Herbarium we would certainly refer to Neoporteria.

The species was named for Dr. Gustave Kunze, at one time director of the Botanical Garden at Leipzig.

Illustrations: Förster, Handb. Cact. ed. 2. 571. f. 75; Gartenflora 31: pl. 1082, a to c. Echinocactus MALLETIANUS Lemaire, Allg. Gartenz. 13: 387. 1845.

Stems simple, depressed-globose or somewhat cylindric, very woolly at the top, 1 dm. high; ribs 15 to 17, more or less; spines straight, acicular, black; radial spines 5 or 6, suberect; central spine solitary; flowers and fruit unknown.

Type locality: Not cited.

Dr. Rose obtained from L. Quehl a photograph of this species as it is now represented in collections. Its relationship is doubtful, but it should certainly not be placed just after Echinocactus horizonthalonius as it was by Schumann.

Illustration: Möllers Deutsche Cart. Zeit. 25: 474. f. 6, No. 16.

Echinocactus PEPINIANUS Schumann, Gesamtb. Kakteen 420. 1898.

This species is very different from the species so named by Lemaire. Its flowers and fruit are unknown and its relationship is not known to us. If it is from Chile or Peru, as Schumann suggests, it may be referable to one of the species of Copiapoa. For note on Echinocactus pepini-anus Lemaire, see Britton and Rose (Cactaceae 2: 137. 1920).

Echinocactus subniger Poselger in Förster, Handb. Cact. ed. 2. 88. 1885.

Simple, globose to short-columnar; ribs 16, grayish green; radial spines 8, 1.5 cm. long; central spines 1 to 3, 2 cm. long.

Type locality: Mexico.

This species is recognized by Schumann, but its flowers and fruit are unknown. It is impossible, without seeing a specimen, to make out its generic relationship. If it came from Mexico, as Rümpler thought, it does not belong to Neoporteria, but if it is from Chile, as Schumann believed, it should probably be placed there.

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