. A revision of the North American Isotheciaceae and Brachythecia [microform]. Mosses; Mousses. ol. Eur. fasc. 197 by a row of elongated cells : perichaetium 2 mm. lon^; leaves few, sheathing at base, the inner oblong-ovate, rather ab- ruptly narrowed to a long acumination, sharply dentate above; costa wanting or short and slender. SporophyU: 15 mm. high ; seta light brown, sometimes reddish, very rough, slightly or not at all twisted; capsule brown, short-oblong, arcuate, horizontal, contracted under the mouth when dry, "i'"- long. ; oi)erculum conic ; annulus large, eas
. A revision of the North American Isotheciaceae and Brachythecia [microform]. Mosses; Mousses. ol. Eur. fasc. 197 by a row of elongated cells : perichaetium 2 mm. lon^; leaves few, sheathing at base, the inner oblong-ovate, rather ab- ruptly narrowed to a long acumination, sharply dentate above; costa wanting or short and slender. SporophyU: 15 mm. high ; seta light brown, sometimes reddish, very rough, slightly or not at all twisted; capsule brown, short-oblong, arcuate, horizontal, contracted under the mouth when dry, "i'"- long. ; oi)erculum conic ; annulus large, easily detachable; segments lan- ceolate, as long as the teeth, attached to a basal membrane ot median width, more or less split along the keel; cilia 2 or 3, no- dose or subappendiculate ; spores yellow-brown, minutely rough- ened, 10-13//, maturing in autumn or winter. Type locality European. On earth or stones and trunks of trees at the base, in shady places. Northern United States and Canada, sout i to New Jersey ; Calif (Howe). Illustrations.—Dill. Hist. ;/. 42,/. 61; Br. & Sch. 1. c; Mitt. 1. c.; VVils. Bryol. 26; Husnot, Muse. Gall. X 95- ExsiccAT'.—Sull. & Lesq. Muse. Bor. Am. (Ed. 2) 500 ; Aus- tin Muse. Appal. 324; Macoun, Can. Muse. 379. Varying a great deal in robustness, roughness and length of seta and color of capsule, capsule often yellow-green. " A very variable species, plants slender or robust; stems more or less divided, and the branchlets varj'ing in length ; leaves close or more distant, bright green or yellow, opaque or glossy; capsule subglobose or oblong, on a short or long ; Lesq. & James, Mosses of N. A., p. 340. B. pscudo-crythrorrhizon Kindb. is in- serted as a synonym on the authority of M. Cardot (J^idc Hcd- wigia 35 : 308, 1896) as no specimens have been accessible. 26. Bra(,hythecium Leibergii n. sp. Gametophyk in wide densely intricate green mats ; stems decum- bent or ascending, 3-5 cm. long, pi
Size: 1476px × 1693px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherslsn, bookyear1899
