. Carnegie Institution of Washington publication. . FIG. 7.—Cereus validus. 4. Cereus validus Haworth, Phil. Mag. 10: 420. 1831. FIG. 8.—Cereus tetragonus. Ct'reus forbesii Otto in Forster, Handb. Cact. 398. 1846.* Cereus hankeanus Weber in Schumann, Gesamtb. Kakteen 88. 1897. Piptanthocereus forbesii Riccobono, Boll. R. Ort. Bot. Palermo 8: 228. 1909. Piptanthocerens hankeanus Riccobono, Boll. R. Ort. Bot. Palermo 8: 229. I9°9- Piptanthocereus labouretianus Riccobono, Boll. R. Ort. Bot. Palermo 8: 231. 1909. Piptanthocereus validus Riccobono, Boll. R. Ort. Bot. Palermo 8: 234. 1909. Shrubby,
. Carnegie Institution of Washington publication. . FIG. 7.—Cereus validus. 4. Cereus validus Haworth, Phil. Mag. 10: 420. 1831. FIG. 8.—Cereus tetragonus. Ct'reus forbesii Otto in Forster, Handb. Cact. 398. 1846.* Cereus hankeanus Weber in Schumann, Gesamtb. Kakteen 88. 1897. Piptanthocereus forbesii Riccobono, Boll. R. Ort. Bot. Palermo 8: 228. 1909. Piptanthocerens hankeanus Riccobono, Boll. R. Ort. Bot. Palermo 8: 229. I9°9- Piptanthocereus labouretianus Riccobono, Boll. R. Ort. Bot. Palermo 8: 231. 1909. Piptanthocereus validus Riccobono, Boll. R. Ort. Bot. Palermo 8: 234. 1909. Shrubby, 2 meters high or more, somewhat branched, the branches 5 to 8 cm. thick, glaucous when young; ribs 4 to 8, compressed, obtuse; radial spines 5, short, stout, i to 2 cm. long, mostly *The date of publication of this name is usually given as 1845; this reference, however, is only to the use of the name, without a description, in a publication of that 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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