. Carnegie Institution of Washington publication. i. 18. Trichocereus shaferi sp. nov. Cespitosc, cylindric, 3 to 5 dm. high, 10 to cm. in diameter, light green; ribs about 14, 10 to 15 mm. high; areoles approximate, 5 to 7 mm. apart, white-felted when young; spines about 10, acicular, 12 mm. long or less, light yellow; flowers from the top of plant, 15 to 18 cm. long; tube slender; outer perianth-segments linear; inner segments probably white; scales of the ovary and flower-tube bearing long brown hairs. Collected by J. A. Shafer in wooded ravine, altitude 1,800 meters, near San Lorenzo,
. Carnegie Institution of Washington publication. i. 18. Trichocereus shaferi sp. nov. Cespitosc, cylindric, 3 to 5 dm. high, 10 to cm. in diameter, light green; ribs about 14, 10 to 15 mm. high; areoles approximate, 5 to 7 mm. apart, white-felted when young; spines about 10, acicular, 12 mm. long or less, light yellow; flowers from the top of plant, 15 to 18 cm. long; tube slender; outer perianth-segments linear; inner segments probably white; scales of the ovary and flower-tube bearing long brown hairs. Collected by J. A. Shafer in wooded ravine, altitude 1,800 meters, near San Lorenzo, Salta, Argentina, January n, 1917 (No. 44). 19. Trichocereus schickendantzii (Weber). Echinopsis schickendantzii Weber, Diet. Hort. Bois 473. 1896. Plants simple or cespitose, slender, 15 to 25 cm. high, 6 cm. in diameter, dark green, shiny; ribs 14 to 18, low, 5 mm. high, somewhat crenate; spines yellowish, flexible, 5 to 10 mm. long; radial spines at first 9, in age more numerous; central spines 2 to 8; flower-bud pointed, covered with black wool; flowers funnelform, several from the top of the plant, inodorous, 20 to 22 cm. long; scales on the ovary and flower-tube with hairy axils; inner perianth-segments acute, oblong, white; fruit edible, agreeable. Type locality: Tucuman, Argentina. Distribution: Northwestern Argentina. Spegazzini thinks it is not an EcJiiiinpsis but a Ccrcns, although he leaves it under the former genus. The flowers are not those of a true Ccrcits. Weber (Diet. Hort. Bois 473. 1896) gives Ccrcus siliickcndtint^ii Weber as a synonym. : Monatsschr. Kakteenk. 15: 125, as Echiiuipsis scJi. 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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