By Britton N.L., Rose J.N.
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Additional info for The Cactaceae. Т.4
Echinocactus elephantidens Poselger, Allg. Gartenz. 21: 102. 1853. Cactus elephantidens Kuntze, Rev. Gen. Pl. 1: 260. 1891. CORYPHANTHA. 33 Simple, subglobose, up to 14 cm. high and 19 cm. broad; tubercles very large, somewhat flat tened, obtuse, 4 to 5 cm. long, densely woolly in the axils; areoles elliptic, when young woolly, in age naked; spines 8, all radial, somewhat unequal, subulate, the longest about 2 cm. long, spreading, when young brownish with yellowish bases, black at apex; flowers large, rose-colored, 11 cm.
Journ. 2: 51. Mammillaria pondii Greene, Pittonia 1: 268. 1889. Cactus pondii Coulter, Contr. U. S. Nat. Herb. 3: 102. 1894. 1899. Stems at first upright, cylindric, simple or few-branched, 7 cm. to 3 dm. high, hidden under a dense covering of spines; axils of tubercles setose; young areoles white-tomentose; radial spines white, whitish or sometimes brownish, 15 to 25, spreading; central spines 8 to 11, much longer and stouter than the radials, the longest 3 cm. long, 1 or 2 hooked; flowers slender, 5 cm.
Nat. Herb. 5: pl. 62; Schelle, Handb. Kakteenk. 245. f. 163; Tribune Hort. 4: pl. 140; De Laet, Cat. Gén. 28. f. 41; Gartenwelt 14: 331; Möllers Deutsche Gärt. Zeit. 25: 475. f. 8, No. 31; Succulenta 4: 80, as Mammillaria senilis. Figure 19 is from a photograph of a flowering plant; figure 20 is from a photograph of two flowers of a plant obtained in the Sierra Madre, Mexico, by I. Ochoterena in 1911; figure 21 is reproduced from the third illustration cited above. Fig. —Mamillopsis senilis. 2.
The Cactaceae. Т.4 by Britton N.L., Rose J.N.