COLLECTED DURING THE ' CHALLENGER * EXPEDITION. 67 " 



cohaerentibus 8. Calyptra magna fusca calva ad medium usque thecse 

 desceiideiis. 



Caulis subsemiuncialis. Folia lineam longa juniora pauca viridia reli- 

 qua nigra. Theca straminea subcarnosa. 



Differs from O. crassifolium in its leaves being twice as wide, 

 less dense and opaque in areolation. The peristome in some cap- 

 sules is in sixteen equal teeth, in others partly coherent into 

 eight. 



Zygodon Brownii, Schw. 



Minute fragments, indicating the presence of this or some other 

 species. 



Bartramia (Eubartramia) robust a, Hook.f. et Wils. 

 Without fruit. " 



B. (Eubartramia) patens, Brid. 



With fructification. 



B. (Breutelia) pendula, Hook. 

 Barren. 



Bryum (Webera) nutans, Schreb. 



With perfect fruit. 



B. (Webera) albicans, Wahlenb. 

 Barren. 



B. (Webera) crudum, Hedw. 

 Also barren. 



B. (Eccremothecium) pendulum, Hornsck. 

 Tall specimens with complete fructification. 



B. kerguelense, Mitt. 



Monoicum. Caulis brevis ramosus. Folia erecto-patentia imbricata in- 

 feriora rameaque ovali-lanceolata acuta carinato-concava nervo rubro 

 percursa, margine integerrimo, cellulis angustioribus in seriebus dua- 

 bus limbum subindistinctum formantibus reliquis suboblongis, co- 

 raalia longiora latioraque, perichaetialia interna minora. Theca in 

 pedunculo breviusculo rubro superne flexuoso curvato horizontalis 

 tenui-membranacea nitida, sporangio ovali, collo recto flequilongo 



sensim angustato, ore satis parvo coarctato, operculo convexo apice 

 brevissime acuto, peristomii dentibus pallidis interni fragmentis ex- 

 terno usque ad medium adhaerentibus. 

 Caulis trilinearis crassitudine cum foliis lineam baud excedens. Folia 



