. Carnegie Institution of Washington publication. 156 Till' CACTACRAE. trunk j to 4 cm. in diameter, with a woody cylinder, its center coarsely pithy; areoles large, rounded, subtended by small definite leaves like those of Opitiilia; spines usually 10, stout, 2 to 3 cm. long, swollen at base, when young brownish or yellowish with brown tips; flowers 15 to 18 cm. long, open- ing at night; perianth-segments white; ovary bearing lanceolate acute scales with long hairs in their axils; fruit red, globular, tuberculate, 5 to 6 cm. in diameter, spineless, bearing scales and felt at the areoles, when
. Carnegie Institution of Washington publication. 156 Till' CACTACRAE. trunk j to 4 cm. in diameter, with a woody cylinder, its center coarsely pithy; areoles large, rounded, subtended by small definite leaves like those of Opitiilia; spines usually 10, stout, 2 to 3 cm. long, swollen at base, when young brownish or yellowish with brown tips; flowers 15 to 18 cm. long, open- ing at night; perianth-segments white; ovary bearing lanceolate acute scales with long hairs in their axils; fruit red, globular, tuberculate, 5 to 6 cm. in diameter, spineless, bearing scales and felt at the areoles, when mature splitting down on one side; flesh white, juicy; seeds large, black, 3 mm. 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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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1902
