. Carnegie Institution of Washington publication. 210 THE CACTACEAE. A number of varieties of this species appear in literature, of which we may mention the following: minor Pfeiffer (Enum. Cact. 169. 1837); schomburgkii Salm-Dyck (Cact. Hort. Dyck. 1849. 74. 1850); spinosior Salm-Dyck (Hort. Dyck. 184. 1834); tenuifolia Forbes (Hort. Tour Germ. 159. 1837); and tcuuior Salm-Dyck (Hort. Dyck. 376. 1834). Dr. John H. Barnhart recently called our attention to a number of cactus names published by St. Hilaire which have been overlooked by later writers. One of these, (\ictns hctcrodadus St. Hilair
. Carnegie Institution of Washington publication. 210 THE CACTACEAE. A number of varieties of this species appear in literature, of which we may mention the following: minor Pfeiffer (Enum. Cact. 169. 1837); schomburgkii Salm-Dyck (Cact. Hort. Dyck. 1849. 74. 1850); spinosior Salm-Dyck (Hort. Dyck. 184. 1834); tenuifolia Forbes (Hort. Tour Germ. 159. 1837); and tcuuior Salm-Dyck (Hort. Dyck. 376. 1834). Dr. John H. Barnhart recently called our attention to a number of cactus names published by St. Hilaire which have been overlooked by later writers. One of these, (\ictns hctcrodadus St. Hilaire (Voy. Rio de Janeiro and Minas Geraes 2: 103. 1830) seems to belong here, as the following free translation would indicate: "Another cactus, which I have already seen near Rio de Janeiro, raised its branches in the midst of tortuous lianas; its trunk, which grows more slender from the base to the summit, is covered with fascicles of spines arranged in a quincunx, and it shows various stages of verticillate, hori- zontal, rounded branches, to the number of seven in each whorl; these branches, like those of the spruce tree, grow shorter toward the summit of the plant, and they bear sec- ondary branches, flattened and oval-oblong, which may in a certain sense be taken as ; Illustrations: Curtis's Bot. Mag. 61: pi. 3293; Dept. Agr. N. S. W. Misc. Publ. 253: pi. [6]; Martius, Fl. Bras. 42: pi. 61; Pfeiffer and Otto, Abbild. Beschr. Cact. i: pi. 29; Schumann, Gesamtb. Kakteen f. 100; Vellozo, Fl. Flum. 5: pi. 28, this last as Cactus arborcns. Plate xxx, figure 2, represents a flowering joint taken from a specimen in the New York Botanical. 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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