. The Cactaceae : descriptions and illustrations of plants of the cactus family. CORYPHANTHA. 47 spreading; central spines several, sometimes as many as 14, much stouter than the radials, slightly spreading, those toward top of plant connivent, black or laluish black in their upper half, shading into red, nearly white at base; flowers 3 cm. long and nearly as broad when expanded, light pink, opening in bright sunlight; scales and outer perianth-segments ciliate; inner perianth-segments narrow, acute. Type locality: Ivanpah, California. Distribution: Deserts of southern California and southern
. The Cactaceae : descriptions and illustrations of plants of the cactus family. CORYPHANTHA. 47 spreading; central spines several, sometimes as many as 14, much stouter than the radials, slightly spreading, those toward top of plant connivent, black or laluish black in their upper half, shading into red, nearly white at base; flowers 3 cm. long and nearly as broad when expanded, light pink, opening in bright sunlight; scales and outer perianth-segments ciliate; inner perianth-segments narrow, acute. Type locality: Ivanpah, California. Distribution: Deserts of southern California and southern Nevada. This species is characterized by its stiff spines, with bluish-black tips shading into red, and is known in southern California as fox-tail cactus. The original description of Mammillaria deserti states that the flowers are straw-colored, tipped with pink, and this suggests Coryphantha chlorantha but we believe that it belongs with Mammillaria alversonii, which certainly has pinkish flowers, and since the name deserti is older than alversonii it is substituted for it. Illustrations: Cact. Journ. i: pi. for February, in part; Alverson's Cat. pi. facing 8, as Mammillaria alversonii; Schumann, Gesamtb. Kakteen 480. f. 79, as M. radiosa alversonii. Figure 44 is from a photograph of a single plant sent by E. C. Rost; figure 45 is from a photograph of a clump photographed by E. C. Rost in its natural surroundings; figure 46 shows a flower taken from Mr. Rost's Fig. 47.—Coryphantha aggregata. Fig. 48.—Mammillaria recurvispina. 35. Coryphantha aggregata (Engelmann). Mammilaria aggregata Engelmann in Emory, Mil. Reconn. 157. 1848. Cereus aggregatus Coulter, Contr. U. S. Nat. Herb. 3: 396. 1896, as to name. Echinocereus aggregatus Rydberg, Bull. Torr. Club 33: 146. 1906, as to name. Plants solitary or cespitose, globular to short-oblong, very spiny; radial spines numerous, stouter than those of Coryphantha vivipara, white, often with brown tips, appressed; central spi
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Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
