Pereskia moorei sp nov

A much branched shrub about 1 meter high, covered with brown bark; branches stout; leaves orbicular or obovate-oblong, rounded or apiculate at the apex, somewhat cuneately narrowed at the base, thick and fleshy, 4 to 8 cm. long, 3.5 to 6 cm. wide; areoles suborbicular, 4.5 mm. in diameter, the wool gray; spines at each areole mostly 2 to 4, very unequal, the longest 7.5 cm. long or less, ashy gray, blackish toward the apex; flowers purplish red, about 4.5 cm. long; ovary few-leafed, its leaves obovate-oblong, 2.5 to 3 cm. long, bearing 1 to 3 black spines about 5 mm. long in the axils; sepals narrowly oblong-obovate, bluntly acute, 2.5 cm. long, bearing long bristles in their axils; petals obovate, obtuse, 3.5 cm. long, rose-colored; stamens about 2 cm. long; areoles on the ovary large, filled with a mass of short, white wool and bearing an occasional short spine; fruit not known.

Fig. 8.—Pereskia moorei. X0.66. Fig. 9.—Pereskia guamacho.

Described from the specimen preserved in the herbarium of the British Museum of Natural History collected at Corumba, Brazil, by Spencer Moore, No. 955, who has kindly furnished us with data for this description, together with a sketch of the type specimen. Specimens were also collected at Corumba by F. C. Hoehne in 1908, No. 4863, who supposed it to be P. sacharosa.

Figure 8 is from a photograph of an herbarium specimen from Matto Grosso, Brazil, received from P. C. Hoehne in 1915.

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