. Carnegie Institution of Washington publication. OPUNTIA. 25. Opuntia lloydii Rose, Contr. U. S. Nat. Herb. 12: 292. 1909. Much branched, 2 to 3 meters high and nearly as broad; joints terete, 2 cm. in diameter; tubercles prominent, oblong; spines few, on last year's joints 3, reddish, cm. long; leaves terete, 6 to 8 mm. long; flowers 3 cm. long, opening after midday; petals 15 mm. long, dull purple; lila- ments olive-green below purplish above; style rose-colored; stigma-lobes white; ovary yellowish, strongly tuberculate, naked; fruit 3 cm. long, yellow to orange, slightly tuberculate. T
. Carnegie Institution of Washington publication. OPUNTIA. 25. Opuntia lloydii Rose, Contr. U. S. Nat. Herb. 12: 292. 1909. Much branched, 2 to 3 meters high and nearly as broad; joints terete, 2 cm. in diameter; tubercles prominent, oblong; spines few, on last year's joints 3, reddish, cm. long; leaves terete, 6 to 8 mm. long; flowers 3 cm. long, opening after midday; petals 15 mm. long, dull purple; lila- ments olive-green below purplish above; style rose-colored; stigma-lobes white; ovary yellowish, strongly tuberculate, naked; fruit 3 cm. long, yellow to orange, slightly tuberculate. Type locality: On foot slopes, Hacienda de Cedros, Zacatecas, Mexico. Distribution: Central Mexico. According to F. E. Lloyd, for whom this species was named, it is known to the Mexi- cans as tasajo macho. We have had this plant in cultivation for several years, but it does not grow well under glass; these specimens have white areoles; no glochids are developed the first. FIG. 77.—Opuntia Iloydii. FIG. 78.—Opuntia lloydii. Photograph by F. E. Lloyd. year, but on old branches dark-brown bunches of glochids are developed in the upper edges of the areoles, and the several brownish spines are acicular. Illustration: Contr. U. S. Nat. Herb. 12: f. 34; pi. 25. Figure 77 represents two joints of the type specimen; figure 78 is from a photograph of the type plant. 26. Opuntia imbricate (Haworth) De Candolle, Prodr. 3: 471. 1828. Cereus imbricatus Haworth, Rev. PI. Succ. 70. 1821. Cactus cylindricus James, Cat. 182. 1825. Not Lamarck. 1783. Cactus bleo Torrey, Ann. Lye. N. Y. 2: 202. 1828. Not Humboldt, Bonpland, and Kunth. Opuntia rosea De Candolle, Prodr. 3: 471. 1828. Opuntia decipiens De Candolle, Mem. Mus. Hist. Nat. Paris 17: 118. 1828. Opuntia exuviata De Candolle, Mem. Mus. Hist. Nat. Paris 17: 118. 1828. Opuntia exuviata atigustior De Candolle, Mem. Mus. Hist. Nat. Paris 17: 118. 1828. Opuntia exuviata spinosiar De Candolle. Mem. Mus. Hist. Nat. Paris 17: 118. 1828. Opuntia
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