The Cactaceae : descriptions and illustrations of plants of the cactus family . BRITTON AND ROSE, VOL. II. 1. End of fruiting branch of Arrojadoa rhodantha. 2. Top of plant of Cleistocactus baumannii. 3. Flower on branch of Hylocereus stenopterus. (All natural size.) HYLOCEREUS. 185 bottom of each undulation; spines 5 to 8, acicular, 5 to 12 111111. long; flowers 25 to 30 cm. long andfully as broad; outer perianth-segments narrow, long-acuminate, greenish, spreading or reflexed;inner perianth-segments oblong, acuminate, white; style stout; stigma-lobes linear, entire, green;ovary covered with
The Cactaceae : descriptions and illustrations of plants of the cactus family . BRITTON AND ROSE, VOL. II. 1. End of fruiting branch of Arrojadoa rhodantha. 2. Top of plant of Cleistocactus baumannii. 3. Flower on branch of Hylocereus stenopterus. (All natural size.) HYLOCEREUS. 185 bottom of each undulation; spines 5 to 8, acicular, 5 to 12 111111. long; flowers 25 to 30 cm. long andfully as broad; outer perianth-segments narrow, long-acuminate, greenish, spreading or reflexed;inner perianth-segments oblong, acuminate, white; style stout; stigma-lobes linear, entire, green;ovary covered with imbricated, ovate, acute, purplish-margined scales. Type locality: Mexico or Colombia. Distribution: Mexico? The above flower description is drawn from New York Botanical Garden specimenswhich bloomed in 1912 (No. 6170). The species is known to us from cultivated plants only. Mr. Weingart is strongly of the opinion that Cereus napoleonis Graham is the same asthis species and, if so, this name should be used. He states that C. napoleonis was describedfrom an old plant, while the other species was descr
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
