. Carnegie Institution of Washington publication. 70 THE CACTACEAE. central spine solitary, 10 cm. long or less, ascending, somewhat curved, the upper ones more or less connivent over the top of the plant; flower slender, funnelform, 2 dm. long, white; filaments and style pale green; fruit ovoid, 3 cm. long, brick-red. Collected by J. A. Shafer in sandy thickets, Trancas, Tucuman, Argentina, February 11, 1917 (No. 101). This is the largest species of the genus known to us. It flowered at the New York Botanical Garden in June 1920. In the new growth the top is very woolly. The top. Fig. 88.—Ech
. Carnegie Institution of Washington publication. 70 THE CACTACEAE. central spine solitary, 10 cm. long or less, ascending, somewhat curved, the upper ones more or less connivent over the top of the plant; flower slender, funnelform, 2 dm. long, white; filaments and style pale green; fruit ovoid, 3 cm. long, brick-red. Collected by J. A. Shafer in sandy thickets, Trancas, Tucuman, Argentina, February 11, 1917 (No. 101). This is the largest species of the genus known to us. It flowered at the New York Botanical Garden in June 1920. In the new growth the top is very woolly. The top. Fig. 88.—Echinopsis spegazziniana. of the growing plant is covered with a mass of brown wool arising from the closely set young areoles. John Adolph Shafer (1863-1918), an enthusiastic botanical collector, was commissioned by Dr. Britton to visit Argentina in the winter of 1916-1917 and he obtained plants and specimens of great importance in our studies of the cacti. Figure 89 is from a photograph taken by Dr. vShafer at Trancas, Argentina, in 1917; figure 87 shows the fruit of the plant photographed. 18. Echinopsis fiebrigii Giirke, Notizbl. Bot. Gart. Berlin 4: 184. 1905. Stems simple, depressed-globose, 9 cm. high, 15 cm. broad; ribs 18 to 24, strongly crenate, broken into long tubercles, cm. high; radial spines 8 to 10, 10 to 25 mm. long, recurved; central spine one, curved, ascending; flowers 17 to 19 cm. long, the tube nearly cylindric; outer perianth- segments green, spreading; inner perianth-segments white, short, broad, obtuse or truncate; filaments white; style green; stigma-lobes 11, green, 15 to 17 mm. long. Type locality: Bolivia. Distribution: Bolivia. The plant is known to us only from description and 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.
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