The Cactaceae : descriptions and illustrations of plants of the cactus family . like plant, with a more or less definite trunk and many stout erect branches, theold trunk often spineless; branches somewhat glaucous; ribs 7 or 8, very broad at base; areoles borneat the depressions on the ribs, large, white or brown-felted; spines about 8, grayish with blacktips, more or less spreading, sometimes appressed, 1 to cm. long, the clusters either with or with-out central ones, these, when present, 3 cm. long and a little flattened; flowers only 5 to 6 cm. long;ovary without spines, the areoles fe


The Cactaceae : descriptions and illustrations of plants of the cactus family . like plant, with a more or less definite trunk and many stout erect branches, theold trunk often spineless; branches somewhat glaucous; ribs 7 or 8, very broad at base; areoles borneat the depressions on the ribs, large, white or brown-felted; spines about 8, grayish with blacktips, more or less spreading, sometimes appressed, 1 to cm. long, the clusters either with or with-out central ones, these, when present, 3 cm. long and a little flattened; flowers only 5 to 6 cm. long;ovary without spines, the areoles felted; fruit very spiny, edible, its flesh either red or white, juicy. Type locality: Caracas, : Central part of coast of Venezuela. LEMAIREOCEREUS. 95 This species is common on all the hills about La Guayra, is less common in the moun-tains toward Caracas, and is also to be found along the coast at Puerto Cabello. Abouttowns it is much used as a hedge plant. Figure 138 is from a photograph taken by Mrs. J. N. Rose near Puerto Cabello,Venezuela, in Fig. 137.—Lemaireocereus trel< 14. Lemaireocereus weberi (Coulter) Britton and Rose, Contr. U. S. Nat. Herb. 12: 426. 1909. Cereus weberi Coulter, Contr. U. S. Nat. Herb. 3: 410. 1896. Cereus candelabrum Weber in Schumann, Gesamtb. Kakteen 106. 1897. Plant very large, 10 meters high or more, with a trunk short but thick and often with hundredsof nearly erect branches arising from near the base, dark bluish green, slightly glaucous; ribs usually10, rounded; areoles large; radial spines usually 6 to 12, spreading, more or less acicular, 1 to 2 ; central spine usually up to 10 cm. long, solitary, flattened, often more or less deflexed, exceptthose of the upper areoles, at first brown to blackish, much longer than the laterals; areoles white-felted; flowers 8 to 10 em. long; scales on flower-tube narrow, thin, bearing long brown hairs in theiraxils; inner perianth-segments oblong, 2 cm. long; ovary


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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919