. A revision of the North American Isotheciaceae and Brachythecia [microform]. Mosses; Mousses. Gametophytem thick glossy golden tufts ; stems 5-10 cm. long, erect, simple or 2-3 parted, radiculose at base; leaves pluriseriate, imbricate, ovate-lanceolate to triangular ovate, x mm., apiculate to short acuminate, curved, strongly plicate, nearly ecostate ; margins entire, recurved; median cells linear, 12-14: I ; basal cells somewhat shorter and broader, thick-walled and golden brown: dioicous ; male branches gemmiform ; antheridia short stipulate ; paraphysps few, filiform ; peri
. A revision of the North American Isotheciaceae and Brachythecia [microform]. Mosses; Mousses. Gametophytem thick glossy golden tufts ; stems 5-10 cm. long, erect, simple or 2-3 parted, radiculose at base; leaves pluriseriate, imbricate, ovate-lanceolate to triangular ovate, x mm., apiculate to short acuminate, curved, strongly plicate, nearly ecostate ; margins entire, recurved; median cells linear, 12-14: I ; basal cells somewhat shorter and broader, thick-walled and golden brown: dioicous ; male branches gemmiform ; antheridia short stipulate ; paraphysps few, filiform ; perigonial leaves ovate, concave, acute to acuminate, serrate at apex : perichaetium i. 5-2 mm. long ; leaves few, triangular-ovate, golden brown with several layers at base ; the inner long-acuminate, sharply toothed, not pli- cate. Spotophyte 2-3 cm. high; seta golden brown, smooth; capsule ovoid-cylindric, slightly unsymmetric, contracted under the mouth when dry; operculum conic ; annulus of two rows of cells, easily deciduous ; peristome double ; the teeth linear-lanceolate, closely articulate, hyaline and granulose-roughened above ; seg- ments from a very wide basal membrane as long as teeth, some- what perforate along the keel; cilia two, shorter; spores i2-i6«, roughened. Type locality European. On moist rocks and stony slopes, in alpine or boreal regions. Rare and rarely fruiting. Rocky Mountains (Drummond, Macoun); )askatchewan (E. Bourgeau); Columbia Falls, Mon- tana (R, S. Williams); Colorado (Brandegee). Illustrations.—Br. & Sch. 1. c. ; , Muse. Gall. 316. //. po. 2. HoLMGRENiA STRicTA Lorcntz, Moos Stud. 122. pi. 5. 1864. Stereodon rubelhis Mitt. Journ. Linn. Soc. 8: 40. 1865. Orthothecium rnbdhun Kindb. Laubm. Schwed. u. Norw. 46. 1883. Orthothecium intricatittn var. rubtllum Husnot, Muse. Gall. 173. 1893. Gametophytc caespitose, orange colored, glossy ; stems erect, cm. long; branches few; lower branch leaves elongated ovate ; upper ovate-lanceol
Size: 1129px × 2214px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherslsn, bookyear1899
