. Carnegie Institution of Washington publication. THIi CACTACKAK. Rose's \ at inns. I )r. Zchntuer also says it differs from the latter in its more numerous, liui-r spines, which are of a light orange-yellow color. \\'e find, too, that the radial spines are less spivadiug, while the centrals are much like the radials, acicular, and not stout- subulate as in the other species, and the flowers appear to be smaller. Figure 41 shows a flower from the type plant. 13. Cephalocereus leucostele ((iiirkc). C,Ts. 1' normally simple, 2 to 5 meters tall, 4 to 8 cm. in diameter, the joints sur
. Carnegie Institution of Washington publication. THIi CACTACKAK. Rose's \ at inns. I )r. Zchntuer also says it differs from the latter in its more numerous, liui-r spines, which are of a light orange-yellow color. \\'e find, too, that the radial spines are less spivadiug, while the centrals are much like the radials, acicular, and not stout- subulate as in the other species, and the flowers appear to be smaller. Figure 41 shows a flower from the type plant. 13. Cephalocereus leucostele ((iiirkc). C,Ts. 1' normally simple, 2 to 5 meters tall, 4 to 8 cm. in diameter, the joints surrounded by peculiar bands or collars of long bristles; ribs 13 to 18, low; spines numerous, white, acicular, the lateral ones spreading, the central much longer, 3 to 5 cm. long; flowers borne in a mass of wool at lop of plant but fruit becoming lateral by the prolongation of the stem; perianth slightly curved. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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