. The Cactaceae : descriptions and illustrations of plants of the cactus family. . Fig. 51.—Escobaria tuberculosa. Fig. 52.—Escobaria dasyacantha. Usually growing in clumps, cj'lindric or becoming so, 5 to 18 cm. high, 2 to 6 cm. in diameter; tubercles more or less regularly arranged in spirals, 6 mm. long; radial spines numerous, white, sometimes as many as 30, acicular, 4 to 15 mm. long; central spines several, stouter than radials, brown to blackish or colored only at tips, one of them usually porrect; flowers cm. in diameter when fully expanded, light pink; outer perianth-segments acut
. The Cactaceae : descriptions and illustrations of plants of the cactus family. . Fig. 51.—Escobaria tuberculosa. Fig. 52.—Escobaria dasyacantha. Usually growing in clumps, cj'lindric or becoming so, 5 to 18 cm. high, 2 to 6 cm. in diameter; tubercles more or less regularly arranged in spirals, 6 mm. long; radial spines numerous, white, sometimes as many as 30, acicular, 4 to 15 mm. long; central spines several, stouter than radials, brown to blackish or colored only at tips, one of them usually porrect; flowers cm. in diameter when fully expanded, light pink; outer perianth-segments acute, ciliate; inner perianth-segments narrowly pointed; fruit oblong, up to 20 mm. long, red; seeds pitted, with a small ventral hilum. Type locality: Mountains near El Paso and eastward. Distribution: Southwestern Texas, southern New Mexico, and adjacent Mexico. Flowers appear in the afternoon and last for two days at least. The name Coryphaniha tuberculosa occurs in C. R. Orcutt's Circular to Cactus Fanciers, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton, Nathaniel Lord, 1859-1934; Rose, J. N. (Joseph Nelson), 1862-1928. Washington : Carnegie Institution of Washington
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Keywords: ., bookauthorbrittonnathaniellord1, bookcentury1900, bookdecade1910
