The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 41.—Flowerof C. 36 the; cactaceae;. Roses observations. Dr. Zehntner also says it differs from the latter in its more numerous,finer spines, which are of a light orange-yellow color. We find, too, that the radial spinesare less spreading, while the centrals are much like the radials, acicular, and not stout-subulate as in the other species, and the flowers appear to be 41 shows a flower from the type plant. 13. Cephalocereus leucostele (Giirke). Cercus leucostele Giirke, Monatssc
The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 41.—Flowerof C. 36 the; cactaceae;. Roses observations. Dr. Zehntner also says it differs from the latter in its more numerous,finer spines, which are of a light orange-yellow color. We find, too, that the radial spinesare less spreading, while the centrals are much like the radials, acicular, and not stout-subulate as in the other species, and the flowers appear to be 41 shows a flower from the type plant. 13. Cephalocereus leucostele (Giirke). Cercus leucostele Giirke, Monatsschr. Kakteenk. 18: 53. 1908. Plants 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 top of plant but fruit becoming lateral by the prolongation of the stem; perianth slightly curved. -Cephalocereus leucostele. Fig. 43.—Cephalocereus sraithianus. downward, dull green, with a few small scales, 7 cm. long, opening in the early evening; perianth-segments short, waxy, white, tightly recurved; stamens numerous, included; filaments white, theupper cluster thickly set all over the long throat, very short; the lower cluster few, fixed at top ofshort tube proper, longer t<han the others, bent in just above their bases forming a knee and pressingagainst the style; space between the two clusters of stamens short but definite; perianth-tube cm. long; style slender, white, pressed against the upper part of tube; anthers dehiscing soonafter the flower expands, appressed against the tube; fruit smooth, longer than broad, 5 cm. long,bluish green, the rind thick, the pulp white; seeds black, tuberculate. CEPHALOCEREUS. 37 Type locality: Calderao, Bahia. Distribution: Deserts of southern Bahia, Brazil. A cutting, received from the Berlin Botani
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
