. The Cactaceae : descriptions and illustrations of plants of the cactus family. LOBIVIA. 59 long, probably white; scales on ovary and flower-tube ovate, 10 to 12 mm. long, narrowly ovate, acute, their axils filled with long black silky hairs. Collected by J. A. Shafer on a cliff, at an altitude of 2,400 meters, between Andalgala and Conception, Argentina, December 28, 1916 (No. 25, type). Dr. Shafer's No. 23 collected at the same locality is similar, but the flowers are much smaller, being only about 3 cm. long, and the plant is much larger, up to 12 dm. high. This plant is referred to this g
. The Cactaceae : descriptions and illustrations of plants of the cactus family. LOBIVIA. 59 long, probably white; scales on ovary and flower-tube ovate, 10 to 12 mm. long, narrowly ovate, acute, their axils filled with long black silky hairs. Collected by J. A. Shafer on a cliff, at an altitude of 2,400 meters, between Andalgala and Conception, Argentina, December 28, 1916 (No. 25, type). Dr. Shafer's No. 23 collected at the same locality is similar, but the flowers are much smaller, being only about 3 cm. long, and the plant is much larger, up to 12 dm. high. This plant is referred to this genus with hesitancy; it is much larger than any of the other species. Figure 78 is from a photograph of the plant collected by Dr. Shafer; figure 76 shows its flower. 20. Lobivia cumingii (Hopffer). Echinocactus cumingii Hopffer, Allg. Gartenz. 11: 225. 1843. Plants small, 5 to 6 cm. in diameter, simple, globular, bluish green, tubercled; tubercles arranged in about 18 spiraled rows; radial spines about 20, straight, 10 mm. long; central spines 2 to 8, 11 mm. long; flowers from the upper part of the plant but not central, orange-colored (sometimes shown as lemon-yellow), narrow, cm. long; inner perianth- segments oblong, acute; scales on the ovary small, described as naked in their axils. Type locality: Mountains of Peru. Distribution: Bolivia and Peru. The first two illustrations cited below are so different in the shape of the tubercles and in the color and form of the flowers that we sus- pect that they may belong to different species. The one from the Botanical Magazine has lemon-yellow flowers, while the other has deep- orange or brick-red flowers. We have not studied living plants of this species. Schumann refers Echinocactus rostratus Jacobi (Allg. Gartenz. 24: 108. 1856) here; but it was based on specimens from Valparaiso, Chile, and is probably to be referred to E. subgibbosus, now taken up in another genus (see page 97). Although this species was described by Hopf
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