. Annual report of the Board of Regents of the Smithsonian Institution . s: Cereus poselgeri {Cereus tuberosus Poselg.), called sacasil inNuevo Leon, with stems as thick as a lead pencil, purple flowers, andwoolly fruit bearing black and white bristles; and Cereus striatus,with stems no thicker than straws, soft harmless spines, purple flow-ers, and scarlet spiny fruit. The latter species was collected byDr. Edward Palmer on Carmen Island, Gulf of California. It occurson the peninsula of Lower California and in Sonora, where its com-mon name is sacamatraca, saramatraca, or pitayita. It is iden
. Annual report of the Board of Regents of the Smithsonian Institution . s: Cereus poselgeri {Cereus tuberosus Poselg.), called sacasil inNuevo Leon, with stems as thick as a lead pencil, purple flowers, andwoolly fruit bearing black and white bristles; and Cereus striatus,with stems no thicker than straws, soft harmless spines, purple flow-ers, and scarlet spiny fruit. The latter species was collected byDr. Edward Palmer on Carmen Island, Gulf of California. It occurson the peninsula of Lower California and in Sonora, where its com-mon name is sacamatraca, saramatraca, or pitayita. It is identicalwith the plant described by Weber as Cereus diguetii. Aporocactus includes the slender stemmed rat-tail cactus, Cereusfagelliformis (fig. 18), with beautiful rose-colored or crimson zygo-morphic flowers, which are sold in the drug markets of Mexico underthe name of flor de cuerno, for use as medicine. Echinocereus is characterized by diurnal flowers, comparativelyshort and rarely tubular. The ovary and tube bear prickly and woolly CACTACEiE OF MEXICO SAPFORD. 555. Fig. 18.—Aporocactusmis. flagellifor- areoles; the floral leaves are usually showy and more or less spreading,the stamens numerous and inserted along the tube, the style longerand ending in the several-rayed green stigma (fig. 19). Schu-mann recognizes several subsections; among them, Subinermes (in-cluding E. fulchellus and E. suMnermis), Prostrati (includingE. scJieeri^ E. herlandieri, E. pi^ocum-hens, E. cinerascens, E, enneaccmthus,E. leonensis), Erecti pectinati (includ-ing the pectinately spined E. ctenoides,E. chloranthus, E. longisetus^ E. fecti-natus^ E. ccespitosus, E. roetteri)^Erecti decalophi (including the needle-sjjined E. acifer^ E. conglomeratus^ , E. merkeri, E. stramineus).Among the plants mentioned above , with decumbent clusteredstems, yields an edible spiny fruit withthe flavor of a raspberry; several of the pectinate spined forms havezones of red and white or yellowis
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Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
