HANDBOOK OF BRITISH HEPATIC^. 117 



obliquely truncate, hence split. Capsule four- 

 valved, coriaceous, naked ; elaters geminate, 

 naked, deciduous. — Mitt. Hook. N. Zeal. 518. 

 Dum. p. 46. 



" Adelanthus is well distinguished by its habit of 

 Plagioc/iila, by its decurvo-secund and usually 

 sharply toothed leaves, and by its half inferior 

 calyptra, strewn with sterile pistillidia, although the 

 cladogenous perichaetia, and the 3-5 angled 

 perianth/with the third angle postical, whenever the 

 angles are reduced to three, prove its affinity to 

 Ccphalozia, especially to the sub-genus Odonto- 

 c/izsma." — Spruce Cephalozia, p. 17. 



Adelanthus deeipiens, Hook., Mitt. 



Stem flexuose, whip-like, leaves inflexed on 

 the dorsal margin, the inferior ovate, and quite 

 entire, superior rounded ovate, mucronate. 



Jungermannia deeipiens, Hook. Br. Jung, 

 t. 50, Eng. Bot. t. 2566. Plagioc/iila deeipiens, 

 Dum. Rev. p. 15 ; Gott. and Rabh. Exs. 213; 

 Cooke Hep. f. 31. Adelanthus deeipiens, Mitt. 

 Linn. Journ. VII., 244 ; Gott. and Rab. Ex. 

 No. 474 ; Carr. and Pears. Exs. No. 98, 

 99 ; Spruce Hep. Amaz. p. 404. 



On rocks. (Ireland.) 



Growing in small dense tufts. Root lame and 

 creeping, stems erect, thread-like flexuose, § to ih 

 inch long, simple or rarely divided at the base, 

 sometimes two or more arise from the creeping 



