The Cactaceae : descriptions and illustrations of plants of the cactus family . in 1911, which flowered in the New York Botanical Garden in July 1915. Figure 114 isfrom a photograph obtained by Brother Leon at the same locality. li- J^i ) & F -?* ^Bt * fir \JP* ~ s* - -r4l^^^^fl g£Mgf{t||S| i^yvt ^i^SSmi BMB rj Fig. 114.—Leptocer 8o THE CACTACEAE. 5. Leptocereus maxonii sp. nov. Stems i to meters high, more or less branched, erect or sometimes with recurved branches;ribs 5 or 7, usually 6, thin, 6 to 15 mm. deep, scalloped; areoles to 2 cm. apart, circular; spineswhen young of a decide
The Cactaceae : descriptions and illustrations of plants of the cactus family . in 1911, which flowered in the New York Botanical Garden in July 1915. Figure 114 isfrom a photograph obtained by Brother Leon at the same locality. li- J^i ) & F -?* ^Bt * fir \JP* ~ s* - -r4l^^^^fl g£Mgf{t||S| i^yvt ^i^SSmi BMB rj Fig. 114.—Leptocer 8o THE CACTACEAE. 5. Leptocereus maxonii sp. nov. Stems i to meters high, more or less branched, erect or sometimes with recurved branches;ribs 5 or 7, usually 6, thin, 6 to 15 mm. deep, scalloped; areoles to 2 cm. apart, circular; spineswhen young of a decided yellowish-brown color, dark brown or sometimes whitish in age, about 20from an areole, needle-shaped, the longer ones 3 cm. long; flowers 5 to 6 cm. long; inner perianth-segments about 32, spreading at right angles to the tube, linear-oblong, yellowish green inside, theouter obtuse, the inner acute; stamens cream-colored; ovary and flower-tube densely covered withyellowish spines; immature fruit bur-like, 4 cm. long, densely covered with yellow or brownish Fig. 115.—Leptocereus maxonii. Collected by Wm. R. Maxon at Berraco, 8 miles east of Daiquiri, Cuba, April 13, 1907(No. 4023), and by Britton and Cowell at the same locality, March 1912 (No. 12657, type). This species differs from L. assurgens in habit, in having more ribs, and in the flowersand young shoots being covered with yellow spines and bristles instead of dark brown ones. Figure 115 is from a photograph of a branch of the plant collected by Mr. Maxon asabove cited. 6. Leptocereus arboreus Britton andRose, Torreya 12: 15. 1912. Cereus arboreus Vaupel, 22: 65. 1912. Plants up to 6 meters high, erect,much branched; joints 3 to 10 dm. long, 5to 6 cm. in diameter, narrowed at base;ribs 4, narrow, thin, to 2 cm. deep,somewhat depressed between the areoles;areoles to 4 cm. apart or less; spines10 or fewer, acicular, yellowish, becominggray, radiating, the longer up to 5 ;
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
