. Carnegie Institution of Washington publication. OPUNTIA. 97 spiny ovary, about 6 cm. long; petals about 3 cm. long, drying reddish or reddish green; areoles of the ovary bearing 5 to 7 spines, which are brown or blackish below and with more or less yellowish tips; fruit not known. Collected near Lake Buenos Aires, Territory of Santa Cruz, Argentina, December 12, 1908, by Carl Skottsberg (No. 675); and again on the Rio Fenix, north of the locality above given, December 10, 1908 (No. 625, type). This species belongs to the subgenus Tephrocactus, but is not closely related to any of the describ
. Carnegie Institution of Washington publication. OPUNTIA. 97 spiny ovary, about 6 cm. long; petals about 3 cm. long, drying reddish or reddish green; areoles of the ovary bearing 5 to 7 spines, which are brown or blackish below and with more or less yellowish tips; fruit not known. Collected near Lake Buenos Aires, Territory of Santa Cruz, Argentina, December 12, 1908, by Carl Skottsberg (No. 675); and again on the Rio Fenix, north of the locality above given, December 10, 1908 (No. 625, type). This species belongs to the subgenus Tephrocactus, but is not closely related to any of the described species. The flower resembles very much the one figured by Henslow as O. (;;/;, and it is possible that he may have had some of this species in his 0. dar- •iciuii; the plant bodies, however, are so different that one could hardly confuse the two. Figure 114 is copied from a photograph of the type specimen above cited. 72. Opuntia nigrispina Schumann, Gesamtb. Kakteen 695. 1898. Opitn/ia purpiirea R. E- Fries, Nov. Act. Soc. Sci. Upsal. IV. i1: 123. 1905. Described as a shrub, i to 2 dm. high and much branched, the branches upright; joints dull green or reddish violet, 2 to 4 cm. long, i to 2 cm. in diameter, oblong-ellipsoid, terete, when young bearing decurrent, spirally arranged tubercles; areoles 2 to 3 mm. in diameter, bearing abundant. 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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