250 HEPATIC a:. 



Hab. — Growing in spreading patches at the base of trees, on 

 walls or stones in exposed or shady places, perhaps commoner 

 than is thought by being confounded with Loph. hidentata (L.). 



5. Hart Hill, Hoare Park, Warwickshire, /. E. Bagnall. 

 7. Bettws-y-Coed, Carnarvonshire, W. H. P. 8. Stirrup Wood, 

 Marple, Derbyshire, C. J. Wild. 10. Coneysthorpe Bank Wood, 

 Yorks, M. B. Slater. Ash Hag G-ill, Hackness, Yorks, M. B. 

 Slater. 12. Injebrick, Isle of Man, G. A. Holt. 



Found on the Continent. 



Obs. — Distinguished from Lophocolea bidentata (L.) by its 

 monoicous inflorescence, narrower leaves, which are more cus- 

 pidate ; from Lophocolea JieterojjJii/lIa (Schrad.), which is also 

 monoicous, by its more spreading habit, its deeply bifid, 

 cuspidate leaves, which are never entire. 



Description of Plate CII. — Fig. 1. Plants natural size. 



2. Portion of stem, antical view x 16 (Hackness, M. B. Slater). 



3. Portion of leaf x 290 (ditto). 4, 5. Stipules magnified (Isle 

 of Man, G. A. Holt). 6, 7. Bracts x 24 (ditto). 8. Bract x 16 

 (Hackness, M. B. Slater). 9. Sub-bracteole x 16 (ditto). 

 10. Bracteole x 16 (ditto). 11. Perianth x 11 (ditto). 

 12. Cross-section of perianth x 11 (ditto). 13. Portion of the 

 mouth of perianth x 16 (ditto). 14. Perigonial bract x 24 

 (Isle of Man, G. A. Holt). 15. Antheridium x 64 (ditto). 



3. Lophocolea heterophylla [Scl/rad.), Dim. 



Lichenastrum pinnulis ohtusiorihus hijidis 7ninus, Dill. Hist. Muse. p. 488, t. 70, 



f. 12 (1741). 

 Jungermania heterophylla^ Schrad. Diar. Bot. p. 66 (1801) ; Hook. Brit. Jung. 



t. 31 (1816). 

 Lophocolea heterophylla^ Dum. Recvieil, p. 17 (1835). 



Paroicous, csespitose, small, pale green in colour. Stems pro- 

 cumbent, ramose, branches postical, erect ; radiculose, rootlets 

 short, white, few, fasciculate, produced from the base of the 

 stipules. Leaves imbricate, horizontal, slightly decurrent anti- 

 cally, plane or slightly concave, bifarious, spreading or secund. 



