File:The Cactaceae - descriptions and illustrations of plants of the cactus family (1919) (14596643258).jpg

Identifier: cactaceaedescri02brit (find matches)
Title: The Cactaceae : descriptions and illustrations of plants of the cactus family
Year: 1919 (1910s)
Authors: Britton, Nathaniel Lord, 1859-1934 Rose, J. N. (Joseph Nelson), 1862-1928
Subjects:
Publisher: Washington : Carnegie Institution of Washington
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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tubeshort, about 2 cm. long; perianth-segments all similar, reddish purple, linear, about 7 cm. long;stamens short, exserted; style white, thick, much exserted; stigma-lobes white, when closed form-ing an ovoid acuminate cluster; scales on ovary and flower-tube orbicular or the upper ones narrowlyovate, green, with purple margins. Type locality: Vallee de Tuis, Costa Rica. Distribution: Costa Rica, Central America. This species is common in Costa Rica, and in recent years has been widely distributedby several Costa Rican collectors; it grows well under glass, and flowers frequently. It isthe only Hylocereus in cultivation with red flowers except H. extensus. Plate xxvn, figure 3, is from a plant obtained by Mr. William R. Maxon in San Jose,Costa Rica, in 1906, which flowered at the New York Botanical Garden. Figure 267 isfrom a photograph of a specimen which flowered in Washington from specimens receivedfrom the New York Botanical Garden in 1910 (No. 22197). 8RITT0N AND ROSE, VOL. II
Text Appearing After Image:
M. E. Eaton del. Flower near end of branch of Hylocereus undatus. X 0.7. II\ l.oCICKlvlS. K)l 12. Hylocereus extensus (Salm-Dyck). Ceretts extensus Salm-Dyck in Dc Candolle, Prodr, 3: 469. 1828.Creeping and probably often climbing, bearing the usual aerial roots of the genus; joints green,rather slender, 1.5 cm. in diameter, 3-sided, the obtuse angles not at all winged; areoles remote,small, woolly and often setose; spines 2 or 3, rarely 4, very short and stout, dark brown, 1 to 2 mm.long; ilowers large and handsome; tube green, eylindric; seales of the ovary ovate; scales of the tuberather short, becoming elongated above and passing into the narrow outer perianth segments,greenish yellow, tipped and margined with red; inner perianth-segments oblong to obovatc, acute,rose-red; style thick, longer than the stamens; stigma-lobes linear, entire; fruit not known. Type locality: Not cited. Distribution: Trinidad, according to Curtiss Botanical Magazine. The above description is based on th

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