HANDBOOK OF BRITISH HEPATIC.^. 



25 



Frullania fragilifolia, Toy/. 



Stems procumbent, subpinnate, branches 

 rather remote ; leaves spreading, suborbicular, 

 entire, marked with a moniliform median line; 

 auricles oblong (figs. 20, 21); stipules ovate, 

 bifid ; involucral leaves nearly equally lobed, 

 sparsely dentate ; perianth obovate, with one 

 keel, even. 



Frullania fragilifolia, Tayl. Trans. Bot. 

 Soc. Edin. II., 43; Ann. Nat. Hist., 1843, P- 

 172; Gott. and Rab. Exs. No. 170, 200, 226; 

 Spruce Hep. Pyr. in Trans. Bot. Ed. III., 

 215 ; Cooke Hep. figs. 160, 161. 



On shady rocks and trees. 



Scarcely exceeds h inch 

 in length, of a dusky, reddish- 

 brown colour, collected into 

 thin patches, firmly attached 

 to the rock's surface, or more 

 rarely to the bark of trees. 

 Branches scarcely pinnately 

 disposed. When the tip of the 

 finger is pressed against the surface of the wet 

 plant a multitude of leaves adhere. Cells of the 

 leaves large. Calyx kidney-shaped, or nearly 

 round. It may be distinguished from Frullania 

 tamarisci by the wider cellulation of the leaves, 

 want of lustre, fragility of the wet leaves, larger 

 auricles in proportion to the leaves, the plane 



20. 



21. 



