FEROCACTUS. 125 
C 
iS 
Echinocactus piliferus emaire (Labouret, Monogr. Cact. 186. 1853) is usually referred 
here, but was not described in the place 
cited. 
Illustrations: Schumann, Gesamtb. 
Kakteen f. 52; Monatsschr. Kakteenk. 22: 
39, Modllers Deutsche Gart. Zeit. 25: 484. 
f. 16; Schelle, Handb. Kakteenk. 147. f. 72; 
Gartenwelt 7: 277, as Echinocactus pilosus; 
Rev. Hort. II. 4: 1; Belg. Hort. 4: pl. 2, as 
Echinocactus stainesit. 
Figure 128 is copied from the first 
illustration above cited. 
Fics. 129 and 130.—Flower and cluster of spines of 
Ferocactus pringlei. Xo.5. 
Fic. 131 a.—Ferocactus wislizeni. Natural size. 
Fic. 131.—Ferocactus pringlei. 
4 2. Ferocactus pringlei (Coulter). 
Echinocactus pilosus pringlei Coult 
y Echinocactus pringlei Rose, Contr. U. 
er, Contr. U. 5S. Nat. Herb. 3: 365. 1896. 
S. Nat. Herb. 10: 127. 1906. . 
sometimes 3 meters high and 3 to 4 dm. in diameter; 
Growing in. ing cylindric . 
aia ars San ie Ted oles numerous, closely set or contiguous, the outer 
ribs usuall I re or less compressed; are 1gt 
margin with a sow of white or straw-colored hairs, 2 to 4 cm. long; spines red, arious: the three 
lower ones slender, almost acicular, the innermost much stouter, some wat ce on 7 a eae 
curved or nearly straight; flowers red without, yellow within, 2.5 cm. ong meer nrangan’ A 
numerous, orbicular, imbricated; inner perianth-segments oblanceolate, o use OF pict eaten 
yellow, somewhat succulent, dehiscing by a basal pore, 3 to 4 cm. long, crowned Dy P g 
perianth; seeds 1.5 mm. long, brownish, pitted, with a small basal hilum. 
