332 HEPATIC^. 



dentate. Pistillidia 5-8. Capsule roundish-oval. Spores small, 

 yellowish-brown, elaters reddish-brown, not much broader than 

 the spores. Male plants usually growing in separate tufts or 

 more rarely mixed with fertile, male stems slender, often furcate* 

 branches short, $ terminal or middle of the stem, 3-6 pairs of 

 bracts, with 2 (rarel}^ 3) antheridia at the base, perigonial bracts 

 clasping the stem, bifid with a narrow sinus, ventricose at the 

 base, antheridia roundish-oval. Growing with the antheridia are 

 often leafy paraphyses. Gemmee often abundant, at the ends of 

 the uppermost leaves, 3-5 angled, brown or purplish-brown. 

 Fruits April, May, June. 



Dimensions. — Stems from |- to 1 inch long, "2 mm. diam., 



with leaves 1" mm. to 2" mm. wide ; leaves 1 "3 mm. long x 1.2 mm. 



broad, segments "25 mm., 1*3 mm. x 1*3 mm., seg. '25 mm., 



'8 mm. X •/ mm., seg. '1 mm., '7 mm. x '7 mm., seg. '05 mm., 



'7 mm. x *7 mm., seg. "05 mm., '6 mm. x '6 mm., seg. '05 mm. ; 



cells "02 mm. x '025 mm., -025 mm. x '025 mm., *02 mm. 



X "03 mm.; bracts 17 mm. long x I'o mm. broad, I'l mm. 



X 1* mm. (including bracteole), seg. •2mm.,'3mm.,'8 mm. x -8 mm., 



seg. '1 mm., '8 mm. x '7 mm., seg. "2 mm., 1. mm. x '8 mm., seg. 



^1 mm., '8 mm' x '9 mm. (including bracteole), seg. '1 mm. ; 



bracteole 1' mm. long x '6 mm. broad, "6 ram. x '6 mm. ; pistillidia 



'16 mm. long x "06 mm. broad ; perianth 2'5 mm. long x 'I'l mm. 



broad, 2 '2 mm. x I'l mm., 2'1 mm. x '8 mm., 1'8 mm. x 1. mm. ; 



perigonial bracts *8 mm. long x '7 mm. broad ; antheridia '16 mm. 



X '14 mm. ; gemm-se '0125 mm. x "01 mm., '01 mm. x '015 mm. 



Hab. — Growing in alpine and subalpine situations, on rocks 

 or earth, often in dry and exposed places. Eare. 



7. Glyders, Carnarvonshire, W. Wilson. Cwm Idwal, Car- 

 narvonshire, IF. H. P. Cader Idris, Merionethshire, W. H. P. 

 Nr. Dolgelly, Merionethshire, Dr. Carringfon i^' W. H. P. 

 12. Staveley, Westmorland, G. Stabler. Eydal, Westmorland, 

 G. Stabler. 15. Bei\MiicJ)h\n, JF. JFest, T. Ro(/ers. Ben Lawers, 

 Sadler. Tillylair, /. Sim. 16. Ben Nevis, Z>/'. Carrinf/ton, IF. West, 

 J. Whitehead. Moidart, West Inverness, S. M. Macvicar. 



