The Cactaceae: Descriptions and Illustrations of Plants of the Cactus Family, Volume 1

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Carnegie Institution of Washington, 1919 - Cactaceae
 

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Page 142 - visnaga." Opuntia azurea Rose, sp. nov. • PLATE XXIV. FIOHHE 33. A compact upright plant with a single trunk, 1 to 2 meters high; joints orbicular to obovate, 10 to 15 cm. in diameter, pale bluish green, glaucous; areoles about 2 cm. apart, bearing numerous brown glochides, the lower ones without spines, the upper...
Page 8 - Pereskiopsis, where they are large and flat but fleshy, and in Opuntia and its relatives, where they are usually much reduced and mostly caducous, terete, or subulate. Spines very various in size, form, arrangement, and color, sometimes with definite sheaths. The areoles are peculiar and complex organs, situated in the axils of leaves when leaves are present, and bearing the branches, flowers, spines, glochids, hairs, or glands; in some genera two kinds of areoles occur, either distinct or united...
Page 193 - Bound, pi. 75. fig. 15. OPUNTIA FRAGILIS (Nutt.) Haw. Cactus fragilis NUTT. Gen. i : 296. 1818. Opuntia fragilis HAW. Syn. PI. Succ. Suppl. 82. 1819. Type locality : "From the Mandans to the mountains, in sterile but moist situations.
Page 61 - ... with a penicillate tuft of whitish bristles at upper edge; spines usually 4, the upper one stout and porrect, reddish with yellowish tip (as are all the spines), 2 to 2.5 cm. long (occasionally 1 to 2 short upper ones added), the usually 3 (sometimes 4) lower ones more slender and sharply de-flexed, 1 to 1.5 cm. long (occasionally one of them longer) ; flowers apparently purple; ovary covered with very prominent woolly pulvini which are more or less bristly and spiny, but ripening into a smooth...
Page 57 - ... writes : Tucson plains, between Tucson and the Santa Catalina Mountains [Arizona]. Distribution : Southern Arizona. OPUNTIA ACANTHOCARPA Engelm. & Bigel. Opuntia acanthocarpa ENGELM. & BIGEL. Proc. Am. Acad. 3:308. 1856. Type locality : On the mountains of Cactus Pass, about 500 miles west of Santa Fe. Distribution : Arizona and California ; reported also from Utah, Nevada, and Sonora. Illustrations: Pac. R. Rep. 4: pl. 18.
Page 123 - Type locality: About Presidio del Norte, on the Rio Grande. Distribution: Texas and northern Mexico.
Page 203 - ... very small, brownish; ovary 3 cm. long, 1.5 cm. thick, somewhat clavate, tubercled, the tubercles bearing areoles and spines similar to those of the joints, but the spines somewhat shorter; flowers 1.5 cm. broad when expanded, red; petals broadly oval to obovate, blunt, about 8 mm. long, much longer than the stamens.
Page 78 - Cact. Journ. i: 154. OPUNTIA SCHOTTII Engelm. Opuntia schottii ENGELM. Proc. Am. Acad. 3: 304. 1856. Type locality: Arid soil near the mouth of the San Pedro and Pecos, western Texas. Distribution : Southern Texas and northern Mexico. Illustration : Cact. Mex. Bound, pi.
Page 64 - ... DC. Prod. 3: 471. 1828. Opuntia rosea DC. Mem. Mus. Paris 17: 118. 1828. Opuntia decipiens DC. Mem. Mus. Paris 17: 118. 1828. Opuntia exuviata DC. Mem. Mus. Paris 17: 118. 1828, in part. Opuntia stellata SALM-DYCK, Cact. Hort. Dyck. 50. 1842. Opuntia cristata SALM-DYCK, Cact. Hort. Dyck. 50. 1842. Type locality : Unknown ; introduced into England by Loddiges in 1820. Distribution : Central Mexico. OPUNTIA ARBORESCENS Engelm. Cactus cylindricus JAMES, Cat. 182. 1825, not Haw. Cactus bleo TORR....
Page 205 - ... similar, those of the fruit yellow gray, 2 cm. long or less; flowers cupulate, crimson lake, I cm. wide; sepals fleshy, ovate, acute, 4 mm. long and wide; petals erect-ascending, obovate, mucronulate, about 4 mm. wide ; stamens half as long as the corolla; style about as long as the corolla; stigma oblong, yellowish crimson ; fruit compressed-obovoid, 2 cm. long, 1.5 cm. thick, bearing one or two spines at most of the areoles. Type in NY Botanical Garden, Britton & Millspaugh, no. 5578. On nearly...

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