The Cactaceae : descriptions and illustrations of plants of the cactus family . fc FlG. 75.—Cephalocereus rohustus. Fig. 76.—Cephalocereus comeles. 52 THE CACTACEAE. 36. Cephalocereus robustus nom. nov. Pilocereus ulei Schumann, Gesamtb. Kakteen Nachtr. 64. 1903. Not Cephalocereus alei Giirke, ulei Berger, Rep. Mo. Bot. Gard. 16: 70. 1905. Tall, much branched, with a rather indefinite trunk, 3 to 7 meters high, pale whitish blue,roughish; ribs 8 or 9, high, separated by acute intervals; areoles closely set, with short dark spinesand longer silky hairs; 3 of the ribs bearing flowers
The Cactaceae : descriptions and illustrations of plants of the cactus family . fc FlG. 75.—Cephalocereus rohustus. Fig. 76.—Cephalocereus comeles. 52 THE CACTACEAE. 36. Cephalocereus robustus nom. nov. Pilocereus ulei Schumann, Gesamtb. Kakteen Nachtr. 64. 1903. Not Cephalocereus alei Giirke, ulei Berger, Rep. Mo. Bot. Gard. 16: 70. 1905. Tall, much branched, with a rather indefinite trunk, 3 to 7 meters high, pale whitish blue,roughish; ribs 8 or 9, high, separated by acute intervals; areoles closely set, with short dark spinesand longer silky hairs; 3 of the ribs bearing flowers and their flowering areoles producing long, curly,white hairs, 5 to 6 cm. long; flower nocturnal, 5 cm. long, its tube proper 1 cm. long; perianth-segments acute, nearly white; stamens numerous, scattered all over the broad long throat, scarcelyexserted; anthers purple; style slender, included; fruit 2 cm. in diameter; seeds minute, black,shining. Type locality: Cabo Frio, Rio de Janeiro, Brazil. Distribution: Coast of State of Rio de Janeiro, Brazil. This species is co
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
