. Carnegie Institution of Washington publication. 68 THE CACTACEAE. Type locality: Not cited. Distribution: Supposed to have come from Bolivia or Paraguay, probably from the latter. We have seen no specimens of this species, but the first illustration cited below is of the type specimen. Illustrations: Monatsschr. Kakteenk. 13: 155; Mollers Deutsche Gart. Zeit. 25: 475. f. 7, No. 22. 12. Echinopsis silvestrii Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4:486. 1905. Stems simple or somewhat clustered, 5 to 10 cm. high, 4 to 8 cm. in diameter; ribs 12 to 14; spines rather stout and short, gray
. Carnegie Institution of Washington publication. 68 THE CACTACEAE. Type locality: Not cited. Distribution: Supposed to have come from Bolivia or Paraguay, probably from the latter. We have seen no specimens of this species, but the first illustration cited below is of the type specimen. Illustrations: Monatsschr. Kakteenk. 13: 155; Mollers Deutsche Gart. Zeit. 25: 475. f. 7, No. 22. 12. Echinopsis silvestrii Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4:486. 1905. Stems simple or somewhat clustered, 5 to 10 cm. high, 4 to 8 cm. in diameter; ribs 12 to 14; spines rather stout and short, grayish; radial spines 5 to 9, appressed; central spine solitary, erect; flowers inodorous, 20 cm. long; inner perianth-segments obtuse, white; style white; stigma-lobes 9, white. Type locality: Mountains between the provinces of Tucuman and Salta, Argentina. Distribution: Northwestern Argentina. This species was named for Dr. Philip Silvestri, a friend of Dr. Spegazzini. Plate vii, figure 1, shows a plant brought from Salta, Argentina, by Dr. Shafer in 1917 (No. 41) which flowered in the New York Botanical Garden in June 1918. Figure 84 is from a photograph contributed by Dr. Fig. 84.—Echinopsis silvestrii. Fig. 85.—Echinopsis calochlora. 13. Echinopsis calochlora Schumann, Monatsschr. Kakteenk. 13: 108. 1903. Plants small, nearly globular, 6 to 9 cm. in diameter, deep green; ribs 13, broad, strongly crenate, separated by narrow intervals; areoles 10 to 15 cm. long, sunken in the ribs; radial spines acicular, yellow, 10 to 14, ascending; central spines 3 or 4, similar to the radials; flowers lateral, appearing above the middle of the plant, 16 cm. long; the tube only a little broader at top than at base, greenish yellow; inner perianth-segments broad, acute, white; stamens exserted beyond the tube; stigma- lobes Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appear
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