132 HEPATIC^. 



3. Bazzania tricrenata (JVaJilenherg). 



Jungermania tricrenata, Wahlenb. Fl. Carp. p. 364, n. 1207 (1814). 



Dioicous, densely or loosely csespitose, flagelliferous, largish to 

 large in size, brownish-green to dark brown in colour. Stems 

 erect or procumbent, slightly branched, branches erect ; cortical 

 cells about 40, similar to the inner cells, only with firmer walls, 

 15 to 18 cells in diameter; somewhat brittle w^ien dry, flagella 

 abundant, microphyllous, proceeding from the axil of the stipules ; 

 radiculose, rootlets few, fasciculate, hyaline. Leaves approximate 

 or subimbricate, alternate, horizontal, strongly deflexed, when dry 

 involute, semi-cordate-ovate or semi-ovate-oblong, falcate, arcuate 

 at the antical margin, bi-tridentate at the narrow apex ; cells 

 medium size, roundish-quadrate, walls firm, angles thickened or 

 with trigones distinct. Stipules twice as broad as the stem, 

 roundish-quadrate or suborbicular, usually broader than long, 

 margin irregularly crenate or dentate, sometimes emarginate. 

 Inflorescence $ cladocarpous, arising from the axil of stipule ; 

 sub-bracts and sub-bracteole ovate, bifid; innermost bracts 

 ovate, quadrifid. Perianth lanceolate, cylindrical, plicate at the 

 apex, mouth small, denticulate. Pistillidia long, about 7. 

 Capsule not seen. 



Dimensions. — Stems about 2 inches long, diameter "2 mm., 

 with leaves 1"25 mm. wide; leaves "75 mm. x *45 mm. at apex 

 •175 mm. wide, 1*4 mm. x '9 mm. at apex, "25 mm., 1"3 mm. 

 X '8 mm. at apex, '3 mm., I'l mm. x '7 mm. at apex, "2 mm., 

 •9 mm. X 65 mm. at apex, '25 mm. ; cells '04 mm. x "03 mm., 

 •035 mm. x '03 mm., '03 mm. x '025 mm. ; stipule '4 mm, 

 X '5 mm., ^3 mm. x '5 mm., '35 mm. x *35 mm. ; sub-bracts 

 •55 mm. x "45 mm., '5 mm. x "4 mm., "6 mm. x "5 mm. ; sub- 

 bracteole "4 mm. X "3 mm. ; innermost bracts *5 mm. x "4 mm. 

 segments, '25 mm., "6 mm. x "4 mm. segments '3 mm. ; pistillidia 

 •2 mm. X '05 mm. 



Hab. — Growing in large tufts on exposed or shaded banks in 

 subalpine localities. 



7, 10, 12, 13, 15-17. I. 



