270 HEPATIC^. 



oblong-subquadrate, entire or retuse, lower leaves minute, theii 

 often acutely bifid ; texture firm, cells smallish, roundish-quad- 

 rate, lumen full of chlorophyl granules, walls moderately thick, 

 trigones large, distinct. Stipules minute, rudimentary, subulate 

 or broadly subulate, at the base ^ as wide as the stem. Bracts 

 similar to the upper leaves only larger. Perianth terminal on the 

 branches, projecting about ^ beyond the bracts, compressed, 

 obovate, mouth wide, bilabiate, irregularly dentate, teeth few. 

 Pistillidia large, about 15. Calyptra globose, of a delicate texture. 

 Capsule small, oval, dark brown. Spores small, pale brown. 

 Elaters rather darker brown than the spores, bispiral, about 10 

 turns of the spiral. Androecia on proper branches on the same 

 plant as the fertile or proceeding from the fertile branch, terminal 

 or situated at the middle ; perigonial bracts 5, 6 pairs, closely 

 imbricate, smaller and more erect than the stem leaves, ventri- 

 cose, lobate, lobe oval, lobule half the size and oval, antheridia 

 single, large, almost spherical. 

 Fruits April, May. 



Dimensions. — Stems about J inch long, diam. 2 mm., with 

 leaves 2-0 mm. to 2-5 mm. wide; leaves TO mm. x '8 mm. ; cells 

 •025 mm. x -035 mm., '025 mm. x '03 mm., "025 mm. x "025 mm., 

 •03 mm. X -03 mm. ; sub-bracts 2'0 mm. x 1^6 mm., 2* mm. x 

 1-4 mm., 2- mm. x 1^75 mm. ; bracts 2-5 mm. x 2' mm. ; perianth 

 3- ram. X 1*75 mm.; pistillidia '225 mm. x '06 mm.; spores 

 •01 mm. diam.; elaters '1 mm. x -01 mm.; perigonial bracts 

 •75 mm. x -45 mm. ; lobule '5 mm. x ^3 mm. ; antheridia ^225 mm. 

 X -2 mm., -3 mm. x ^25 mm. 



Hab. — Grrows on damp rocks, usually calcareous. Eare. 

 2. Ardingley Hocks, Sussex, W. Miffen. 5, 8. Cheedale, 

 Derbyshire, G. A. Holt. 10. On rocks by the Strid, Bolton 

 Woods, Z)r. Car ring ton, John Nowell; Malham, Dr. Carrington; 

 Ingleton, W. H. P. 12. Windermere, Westmorland, Dr. Car- 

 rington. 



L Benbulben Range, Co. SKgo ; Gleniff, Co. Sligo, Dr. D. 



Moore. 



Found on the Continent, 



