. Carnegie Institution of Washington publication. FIG. 17.—Fruiting branch of Cereus aethiops. FIG. 18.—Fruit of Cereus repandus. FIG. 19.—Cereus repandus. 23. Cereus grenadensis sp. nov. (See Appendix, p. 223.) 24. Cereus margaritensis Johnston, Proc. Amer. Acad. 40: 693. 1905. Stem columnar, erect, 5 to 8 meters high, with a trunk i to 2 meters long; branches ascending, gray; ribs usually 8; areoles i cm. apart or less; spines n to 15, somewhat swollen at base; radial spines about 10, acicular, 5 to 10 cm. long, spreading or reflexed; central spines i to 3, stouter and twice as
. Carnegie Institution of Washington publication. FIG. 17.—Fruiting branch of Cereus aethiops. FIG. 18.—Fruit of Cereus repandus. FIG. 19.—Cereus repandus. 23. Cereus grenadensis sp. nov. (See Appendix, p. 223.) 24. Cereus margaritensis Johnston, Proc. Amer. Acad. 40: 693. 1905. Stem columnar, erect, 5 to 8 meters high, with a trunk i to 2 meters long; branches ascending, gray; ribs usually 8; areoles i cm. apart or less; spines n to 15, somewhat swollen at base; radial spines about 10, acicular, 5 to 10 cm. long, spreading or reflexed; central spines i to 3, stouter and twice as long as the radials, porrect or reflexed; flower-bud obtuse; flowers 5 to 6 cm. long; fruit oblong, 4 cm. long; seeds black, covered with blunt tubercles. Type locality: El Valle, Margarita Island, Venezuela. Distribution: Known only from Margarita Island. OTHER SPECIES DESCRIBED AS BELONGING TO THE GENUS CEREUS. The following species have been described under Cereus, but their flowers are unknown or incompletely described: CEREUS BENECKEI Ehrenberg, Bot. Zeit. 2: 835. 1844. Cereus farinosus Haagc in Salm-Dyck, Allg. Gartcuz. 13: 355. 1845. Cereus beneckci fnrinnmis Salm-Dyck, Cact. Hort. Dyck. 1849. 48. 1850. Piptanthocereus beneckei Riccobono, Boll. R. Ort. Bot. Palermo 8: 226. 1909. Plants 4 to 5 meters high, much branched; branches 6 to 7 cm. in diameter, the growing tips glaucous; ribs 8, strongly tuberculate, obtuse, separated by narrow intervals; areoles small, borne. 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
Size: 1445px × 1729px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1902
