. Carnegie Institution of Washington publication. OPUNTIA. Si 49. Opuntia clavata Engelmann in Wislizenus, Mem. Tour North. Mex. 95. 1848. Plants low, not over dm. high, much branched at base, spreading, forming large patches sometimes 2 meters in diameter; joints short, 3 to 7 cm. long, turgid, ascending, clavate; areoles close together; leaves subulate, 4 to 5 mm. long; spines pale, somewhat roughened, the radial ones 6 to 12, slender and acicular, 4 to 16 mm. long; central spines 4 to 7, much longer than the radials, more or less flattened, the largest one dagger-like; glochids numerous
. Carnegie Institution of Washington publication. OPUNTIA. Si 49. Opuntia clavata Engelmann in Wislizenus, Mem. Tour North. Mex. 95. 1848. Plants low, not over dm. high, much branched at base, spreading, forming large patches sometimes 2 meters in diameter; joints short, 3 to 7 cm. long, turgid, ascending, clavate; areoles close together; leaves subulate, 4 to 5 mm. long; spines pale, somewhat roughened, the radial ones 6 to 12, slender and acicular, 4 to 16 mm. long; central spines 4 to 7, much longer than the radials, more or less flattened, the largest one dagger-like; glochids numerous, yellowish, 3 to 5 mm. long; flowers yellow, to 4 cm. long; fruit 4 to 5 cm. long, with numerous areoles filled with yellow, radiat- ing glochids; seeds white, 5 mm. broad. Type locality: Albuquerque, New Mexico. Distribution: New Mexico, chiefly in the central part of the State. This is one of the most characteristic species of the genus and has no near relative except 0. parishii, of the deserts of California and Nevada. It is a great pest to grazing stock. Illustrations: Bull. Agr. Exper. Station N. Mex. 78: pi. [i, 2], Pac. R. Rep. 4: pi. 22, f. i to 3; pi. 24, f. 6. Figure 93 represents joints of a plant collected by W. T. H. Long at Albuquerque, New Mexico, in FIG. 92.—Opuntia schottii. Xo 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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