. Carnegie Institution of Washington publication. . FIG. g2.—Flower of Browningia candelaris. FIG. 93.—Young fruit of same. FIG. 04.—Browningia candelaris, with Trichocereus fascicularis immediately in front of it. 6. STETSONIA gen. nov. A tall, erect, much branched cactus, with strongly ribbed branches, the areoles felted and bearing several unequal stiff subulate spines; flowers funnelform, large, solitary at upper areoles; ovary oblong-globose, densely covered by small, broad, erose, ciliate, abruptly subulate-tipped, membranous scales; flower-tube cylindric, somewhat expanded a


. Carnegie Institution of Washington publication. . FIG. g2.—Flower of Browningia candelaris. FIG. 93.—Young fruit of same. FIG. 04.—Browningia candelaris, with Trichocereus fascicularis immediately in front of it. 6. STETSONIA gen. nov. A tall, erect, much branched cactus, with strongly ribbed branches, the areoles felted and bearing several unequal stiff subulate spines; flowers funnelform, large, solitary at upper areoles; ovary oblong-globose, densely covered by small, broad, erose, ciliate, abruptly subulate-tipped, membranous scales; flower-tube cylindric, somewhat expanded above, bearing distant scales similar to those of the ovary; outer perianth-segments broad, green, obtuse, the inner oblong-oblanceolate, spreading, acute; stamens numerous, not exserted; anthers large, oblong; style rather stout; stigma- lobes many, linear. Only the following species is known to us, a conspicuous plant of the Argentine deserts. The genus is dedicated to Francis Lynde Stetson, of New York. 1. Stetsonia coryne (Salm-Dyck). Cereus coryne Salm-Dyck,* Cact. Hort. Dyck. 1849. 205. 1850. Plants large and massive, 5 to 8 meters high, with a thick, short trunk up to 4 dm. in diameter and 4 to 6 dm. long, and many (100 or more) ascending or upright elongated branches; ribs 8 or 9, i to i .5 cm. high, obtuse, more or less crenate; spines 7 to 9, unequal, the longest 5 cm. long, subulate; flowers 12 to 15 cm. long; inner perianth-segments white, spreading; fruit not known. Type locality: Not cited. Distribution: Northwestern Argentina. Although this species has long been known in collections, it is usually represented by very small specimens and has been poorly described. *Both \Ycln-r and Schumann make Otto the author of tills name. Salm-Dyck credits it to the Berlin 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


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