The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 17.—Fruiting branchof Cereus aethiops. Fig. 18.—Fruit of Cereusrepandus. 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 1 to 2 meters long; branches ascending,gray; ribs usually 8; areoles 1 cm. apart or less; spines 11 to 15, somewhat swollen at base; radialspines about 10, acicular, 5 to 10 cm. long, spreading or reflexed; central spines 1
The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 17.—Fruiting branchof Cereus aethiops. Fig. 18.—Fruit of Cereusrepandus. 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 1 to 2 meters long; branches ascending,gray; ribs usually 8; areoles 1 cm. apart or less; spines 11 to 15, somewhat swollen at base; radialspines about 10, acicular, 5 to 10 cm. long, spreading or reflexed; central spines 1 to 3, stouter andtwice as long as the radials, porrect or reflexed; flower-bud obtuse; flowers 5 to 6 cm. long; fruitoblong, 4 cm. long; seeds black, covered with blunt tubercles. Type locality: El Valle, Margarita Island, : 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 unknownor incompletely described: CEREUS benEckei Ehrenberg, Bot. Zeit. 2: 835. 1844. Cereus farinosns Haage in Salm-Dyck, AUg. Gartenz. 13: 355. 1845.
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
