. Carnegie Institution of Washington publication. So TIIK C ACT AC 1C A 1C. 5. Leptocereus maxonii sp. nov. Strni-- 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; areolcs to 2 cm. apart, circular; spines \\heu young of a decided yellowish-brown color, dark brown or sometimes whitish in age, about 20 from an areole, needle-shaped, the longer ones 3 cm. long; flowers 5 to 6 cm. long; inner perianth- si-gmcnts about 32, spreading at right angles to the tube, linear-oblong, yellowish green insi
. Carnegie Institution of Washington publication. So TIIK C ACT AC 1C A 1C. 5. Leptocereus maxonii sp. nov. Strni-- 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; areolcs to 2 cm. apart, circular; spines \\heu young of a decided yellowish-brown color, dark brown or sometimes whitish in age, about 20 from an areole, needle-shaped, the longer ones 3 cm. long; flowers 5 to 6 cm. long; inner perianth- si-gmcnts about 32, spreading at right angles to the tube, linear-oblong, yellowish green inside, the outer obtuse, the inner acute; stamens cream-colored; ovary and flower-tube densely covered with yellowish 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. assurgcns in habit, in having more ribs, and in the flowers and 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 as above cited. 6. Leptocereus arboreus Britton and Rose, Torreya 12: 15. 1912. Cereus arboreus Vaupel, Monatsschr. Kakteenk. 22: 65. 1912. Plants up to 6 meters high, erect, much branched; joints 3 to 10 dm. long, 5 to 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; spines 10 or fewer, acicular, yellowish, becoming gray, radiating, the longer up to 5 cm. long; flower short, campanulate, 2 to 3 cm. long; inner perianth-segments short, spreading, greenish white to cream-colored; ovarv and flower-tube very spiny; fruit ellipsoid, 8 to 10 cm. long, 5 to 6 cm. in diameter, its areoles bearing tufts of nu- merous l
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