. Carnegie Institution of Washington publication. . FIG. ^ephalocereus brasiliensis growing above Cephalocereus fluminensis. FIG. 85.—Flower of C. phaeacanthus. FIG. 86.—Fruit of same. 47. Cephalocereus phaeacanthus (Giirke). Cereus phaeacanthus Giirke, Monatsschr. Kakteenk. 18:57. 1908. Slender, usually branching at base, rarely branching above, more or less erect, often 4 meters high, the branches 4 to 9 cm. in diameter; ribs usually 13, low, narrow, bearing approximate areoles about 5 mm. apart, with acicular spines and small tufts of short white wool; spines numerous, when
. Carnegie Institution of Washington publication. . FIG. ^ephalocereus brasiliensis growing above Cephalocereus fluminensis. FIG. 85.—Flower of C. phaeacanthus. FIG. 86.—Fruit of same. 47. Cephalocereus phaeacanthus (Giirke). Cereus phaeacanthus Giirke, Monatsschr. Kakteenk. 18:57. 1908. Slender, usually branching at base, rarely branching above, more or less erect, often 4 meters high, the branches 4 to 9 cm. in diameter; ribs usually 13, low, narrow, bearing approximate areoles about 5 mm. apart, with acicular spines and small tufts of short white wool; spines numerous, when young yellowish brown, i to cm. long; flowers 6 cm. long, slightly bent upward near the top of the tube, the limb 6 cm. broad when fully expanded; perianth-tube and ovary bearing several ovate scales; outer perianth-segments greenish brown; inner perianth-segments white, acute; upper series of stamens 2 cm. long; lower series of stamens 4 cm. long; filaments green; style white; fruit cm. in diameter, smooth, somewhat tubercled; seeds 2 cm. long. Type locality: Maracas, Bahia, Brazil. Distribution: In thickets, State of Bahia, Brazil. We have placed this species near the end of the genus, for it is very unlike the other species and may not be congeneric with them. It has very slender stems, low ribs, no long hairs at the flowering areoles, and a bent flower with a very small, flattened ovary. Plate vni, figure 3, shows the top of a plant brought by Dr. Rose from Toca da Onca, Brazil, in 1915. Figure 85 shows the flower, and figure 86 shows the fruit and withering 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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