The Cactaceae : descriptions and illustrations of plants of the cactus family . and Riimpler. C. brandii (Salm-Dyck, Cact. Hort. Dyck. 1849. ) and C. colvillii (Riimpler in Forster, Handb. Cact. ed. 2. 736. 1885) of English gar-dens are also referred here. C. variabilis glaucescens Salm-Dyck, var. laetevirens Salm-Dyck, var. micracanthus Salm-Dyck, var. salm-dyckianus, and var. obtusus are all given by Walpers (Repert. Bot. 2:277. 1843) as synonyms of this species. The last name probably should be referred toCereus obtusus. The varieties gracilior and ramosior (Salm-Dyck, Cact. Hort. Dy
The Cactaceae : descriptions and illustrations of plants of the cactus family . and Riimpler. C. brandii (Salm-Dyck, Cact. Hort. Dyck. 1849. ) and C. colvillii (Riimpler in Forster, Handb. Cact. ed. 2. 736. 1885) of English gar-dens are also referred here. C. variabilis glaucescens Salm-Dyck, var. laetevirens Salm-Dyck, var. micracanthus Salm-Dyck, var. salm-dyckianus, and var. obtusus are all given by Walpers (Repert. Bot. 2:277. 1843) as synonyms of this species. The last name probably should be referred toCereus obtusus. The varieties gracilior and ramosior (Salm-Dyck, Cact. Hort. Dyck. 1850) are only names. Of this relationship is Cereus grandis Haworth (Suppl. 76. 1819) and its two varieties gracilior Salm-Dyck and ramosior Salm-Dyck (Labou-ret, Monogr. Cact. 376. 1853). Cereus prismatiformis, C. hexangularis, and C. affinis (Pfeiffer, Enum. Cact. 106. 1837)were all given as synonyms of Cereus variabilis. Illustrations: Pfeiffer, Abbild. Beschr. Cact. 2: pi. 15, as Cereus variabilis; Vellozo,Fl. Flum. 5: pi. 23, as Cactus Fig. 14.—Cereus pernambucensis. 16. Cereus pernambucensis* Lemaire, Cact. Gen. Nov. Sp. 58. 1839. tCereus tetragonus minor Salm-Dyck, Hort. Dyck. 337. formosus Forster, Handb. Cact. 404. 1846. Plant various in habit, often growing in clumps and then sometimes 4 to 5 meters broad, creep-ing and sprawling, usually 2 to 4 dm. high, perhaps much higher; branches usually short, with 3,4, or 5 ribs, pale green, sometimes nearly white; ribs prominent, often strongly crenate and verythick; areoles large, to 2 cm. apart, at first brown-woolly, afterwards with short white wool;intervals between ribs of young shoots acute, deep, but on old shoots broad and shallow; spines 4 *Originally, but erroneously, spelled Cereus fernambucensis. CEREUS. i5 to 10, acicular, yellowish brown to bright yellow, the longest ones 5 cm. long; Sower-buds purplish,erect, 16 cm. long, pointed; scales on ovary and lower pa
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
