Specimens examined: New Mexico (Wright of 1851; Rusby of 1880):
also growing in Mo. Bot. Gard. 1893.

Dr. Engelmann calls attention to the fact that this species is
closely allied to the Mexican C. zephranthoides (Scheidw.), but
in the absence of material representing the latter species no
comparison can be made. In descriptions of the Mexican species
the differently colored flowers and the much longer spines
suggest differences that an examination of fruit and seed
characters may still further emphasize.

16. Cactus goodrichii (Scheer) Kuntze. Rev. Gen. Pl. 260 (1891).

Mamillaria goodrichii Scheer in Salm Cact. Hort. Dyck. 91
(1850).

Globose or ovate, 5 to 7.5 cm. high, subsimple: tubercles ovate,
short (3 to 5 mm.), somewhat corky and persistent, with dense
wool in the young axils containing 5 to 8 stiff bristles: radial
spines 11 to 15 (the uppermost one sometimes wanting), white and
rigid, 5 to 7 mm. long, entangled with adjoining clusters;
central spines 3 or 4 (often solitary in young plants),
brownish-black,the upper ones divergent and straight (rarely
showing a tendency to hook), the lower longer (9 to 10 mm.),
stouter and hooked (usually upwards): flowers 12 to 18 mm, long,
the petals yellowish-white with red midribs: fruit clavate and
scarlet. (Ill. Cact. Mex. Bound. t. 8. figs. 9-14) Type: Scheer
says that the plant was brought from the Island of "Corros"
(Cedros?) by Dr. Goodrich, and "unfortunately perished in the