. Carnegie Institution of Washington publication. FIG. .271.—Opuntia bahiensis. The tree to the left and somewhat in the foreground. FIG. 272.—Opuntia ammophila. 1879. 238. Opuntia argentina Grisebach, Abh. Ges. Wiss. Gottingen 24: 140. Opuntia liieronymi Grisebach, Abh. Ges. Wiss. Gottingen 24: 140. 1879. Erect, 5 to 15 meters high, branching at the top, the lateral branches subverticillate, teretes terminal branches flat, 5 to 12 cm. long, 3 to 8 cm. broad; ovary 2 to cm. long; petals elliptic to spatulate, cm. long, 8 mm. broad, greenish yellow; filaments white; style white; stigma-
. Carnegie Institution of Washington publication. FIG. .271.—Opuntia bahiensis. The tree to the left and somewhat in the foreground. FIG. 272.—Opuntia ammophila. 1879. 238. Opuntia argentina Grisebach, Abh. Ges. Wiss. Gottingen 24: 140. Opuntia liieronymi Grisebach, Abh. Ges. Wiss. Gottingen 24: 140. 1879. Erect, 5 to 15 meters high, branching at the top, the lateral branches subverticillate, teretes terminal branches flat, 5 to 12 cm. long, 3 to 8 cm. broad; ovary 2 to cm. long; petals elliptic to spatulate, cm. long, 8 mm. broad, greenish yellow; filaments white; style white; stigma-lobe; yellowish green; ovary flattened, tuberculate, deeply umbilicate; fruit clavate, 5 cm. long, dull purplish violet, with wine-colored pulp; seeds lens-shaped, 5 to 6 mm. long, to 3 mm. broad. Type locality: Near San Andres, Oran, Argentina. Distribution: Northern Argentina. This species was considered identical with 0. brasili- cnsis by Schumann, but they separate on very good fruit characters. Figure 274 is from a photograph of a flowering branch furnished by Dr. C. Spegazzini. Series 28. AMMOPHILAE. One peculiar species, native of Florida, constitutes this series, characterized by a continuous erect subterete trunk, flat, spiny branches, and large, yellow flowers. 239. Opuntia ammophila Small, Journ. N. Y. Bot. Card. 20: 29. 1919. Plant erect, more or less branched throughout or ultimately with a stem i to 2 meters tall or more, becoming 2 to dm. in diameter, bearing several spreading branches near the top, thus tree-like, tuberous at the base; joints various, those of the main stem elongate, ultimately fused on the ends and subcylindric, those of the branches typically obovate or cuneate, varying to elliptic or oval, thickish, 5 to 17 cm. long, becoming grayish green; leaves stout-subulate, 6 to 10 mm. long, green; areoles relatively. FIG. 273.—Opuntia Please note that these images are extracted from scanned page images that may have been digit
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