HANDBOOK OF BRITISH HEPATICfE. 1 23 



by its trul}* lateral and subpinnate ramification — 

 without a single postical branch — and by some 

 other of its characters, including even its bluish 

 white colour when dry, is perhaps as nearly allied 

 to Lepidozia reptans and to Anthelia as to Cepha- 

 lozia. I have therefore separated it as a new 

 genus, under the name " Pleuroclada." — Spruce on 

 Cephalozia, p. 14. 



Pleuroclada albescens, Hook. 



Stem creeping, branched ; leaves incum- 

 bent, concave, ovate, emarginate, perichaetial 

 leaves everywhere imbricate ; stipules trian- 

 gular ; perianth terminal on lateral branches, 

 ovate. 



Jiingcrmannia albescens, Hook. Br. Jung. 

 No. 72, Supp. t. 4; Gott. and Rab. Exs. No. 

 33, 468 ; Cooke Hep. f. 73. Cephalozia albe- 

 scens, Dumort. Rev. Jung. p. 18 ; Lindb. Journ. 

 Linn. Soc. XIII., 192. Pleuroclada 

 albescens, Spruce Cephalozia p. 14; 

 Carr. and Pears. Hep. No. 262. 



On mountains. 



Growing in large loose patches. Stems 

 h to I inch in length, creeping, waved, 

 thread-like, branched twice or thrice di- 

 chotomously, and attached to the ground 

 by tufts of radicles. Leaves rather dis- 4 " 

 tant and alternate, very small, nearly hemispherical, 

 half-embracing at the base, at the apex cut with 



