324 HEPATIC^. 



From Ji())(/. xocia, Nees, and Jim^. bicrenata, Lindenb., both 

 paroicous species, see notes under them. 



Description of Plate CXXXVIII.— Fig 1. Plants natural 

 size. 2. Fertile stem x 16 (Castle Howard, Dr. Spruce). 

 3-5. Leaves x 24 (Strachan, Sim). 6, 7. Ditto (Kinnordy, C. 

 Lyell). 8. Leaf x 24 (Llanfaelog, North Wales, Wilson). 

 9. Portion of leaf x 290 (Castle Howard, Dr. Spruce). 10. 

 Bract x 24 (Llanfaelog, Wilson). 11. Ditto (Strachan, Sim). 



12. Bract with connate bracteole x 24 (Grosmont, Slater). 



13. B^-acteole x 24 (Castle Howard, Dr. Spruce). 14, 15. Sub- 

 bracts X 24 (Strachan, Sim). 16. Ditto (Grosmont, Slater). 

 17. Ditto (Kinnordy, Lyell). 18. Sub-bracteole x 31 (Castle 

 Howard, Dr. Spruce). 19. Perianth x 24 (Strachan, Sim). 



20. Cross-section of perianth x 24 (Castle Howard, Dr. Spruce). 



21. Antheridium x 85 (ditto). 



18. Jung-ermania bicrenata, Schnidel. 



Ju/igermania bicrenata, Schmid. Anal. p. 347, t. 64, f. 1 (1747). 

 Lo])hozia bicrenata, Dum. Recueil, p. 17 (1835). 



Paroicous, csespitose, patches thin ; small, from yellowish to 

 reddish-brown in colour. Aromatic. Stems simple, rarely inno- 

 vantly branched, creeping, procumbent, the perianth and upper 

 portion of stem suberect, stem bearing rarely more than 8 pairs 

 of leaves ; radiculose, rootlets abundant, whitish, by which the 

 stems are firmly attached to the ground. Leaves semi-vertically 

 inserted, ascending, imbricate, concave, not undulate, accrescent, 

 ovate, orbicular, sometimes subquadrate or obovate, bifid from J 

 to ^, segments and sinus acute or obtusiuscuius ; texture thick, 

 guttulate, cells from smallish to medium in size, roundish or 

 roundish-oblong, walls very thick, no trigones. No stipules. 

 Bracts oblong-quadrate, trifid, quadrifid, segments irregularly 

 dentate, rarely entire, from ^ to ^ long ; bracteole subulate, entire 

 or oblong-quadrate and emarginate, connate with one of the 

 bracts, second pair of bracts orbiculate, irregularly dentate, third 



