. Contributions from the New York Botanical Garden. Plants. [From the Bulletin of thb Torrey Botanical Club, 40: 687-690. 6 J 1914.] New ferns from tropical America—I Margaret Slosson (with plate 26) ia« Trichomanes rhipidophyllum Slosson, sp. nov. Rhizome creeping, about 5 mm. in diameter, thickly tomentose; stipes brown and tomentose to within about 1 mm. of the lamina, then green, slightly hairy, and winged by the narrowly and abruptly decurrent base of the lamina, in fertile fronds 5-7 mm. long, in sterile mm. long; laminae shining bright green, delicately papyraceous, the fertile 0.


. Contributions from the New York Botanical Garden. Plants. [From the Bulletin of thb Torrey Botanical Club, 40: 687-690. 6 J 1914.] New ferns from tropical America—I Margaret Slosson (with plate 26) ia« Trichomanes rhipidophyllum Slosson, sp. nov. Rhizome creeping, about 5 mm. in diameter, thickly tomentose; stipes brown and tomentose to within about 1 mm. of the lamina, then green, slightly hairy, and winged by the narrowly and abruptly decurrent base of the lamina, in fertile fronds 5-7 mm. long, in sterile mm. long; laminae shining bright green, delicately papyraceous, the fertile cm. long, cm. broad, suborbicular, almost semicircular, or subtrapezoid, at apex slightly once cleft, at base subtruncate or cuneate, the sterile cm. long, cm. broad, round-reniform to ovate or broadly obovate; margins irregularly undulate or sublobate, marginal hairs few, slender, simple or binate; surfaces or at least the lower one with a few short club-shaped mostly 2-celled hairs on the veins; veins few, distant, in the sterile fronds subnabel- lately forked, midveins of fertile fronds flexuose, with about 3 pairs of branches forked 1-4 times, spurious veins short, almost none; cells of the lamina between the veins variable, mostly narrow, mm. long, mm. broad, their walls mm. broad; in- volucres 1-2, borne at the base of the central cleft of the lamina, almost wholly exserted, the lips mm. broad, their 1, cellular structure of the mar- brown border 1-4 cells deep; spores glo- sin of the 1£p of the involucre. bose, mm. in diameter. enlarged; 2, cells from between _ . , tt 1 1 tt 1 the veins of a sterile frond, very Type in the Underwood Herbarium much enlarged at the New York Botanical Garden, collected on a tree in a damp forest near Onaca, Colombia, at an altitude of 760 m., Aug. 24, 1898-99, Herbert H. Smith 2445. A note on the label says "not observed ; A very disti


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1899