126 TASMANIAN BRYOPHYTA, 



trigones none, 30-45 ^u., ; underleaves free, bifid ot trifid 

 divided to the middle, lobes obtuse, half as long as the 

 leaves. Sterile. 



Adamson Peak. 



Lepidolaena, Dum. 



Decumbent with many lateral pinnate branches, more 

 o^' less pui'ple. " Leaves incubous imbricate concave bi- 

 lobed, dorsal lobe large rotund, ventral lobe a small cla- 

 vate water-sack, closely attached to the ventral base of 

 the larger lobe; underleaf broad sub-rotund, bifid or quad- 

 rifid ; leaf and underleaf often bearing water-sacks similar 

 tO' the lesser lobe. Perianth terminal or thi-ust aside, 

 large oblong covered with numerous broad ciliated scales. 



Underleaf bifid inageUanica 



Underleaf quadrifid hrachyclada 



Lepidolaena mageJlanica {Lam.) — Schifn. Robust 

 v;ith wide spreading pinnate branches to linear with short 

 branches. Leaves broadly ovate to rotund, margin amiecl 

 with spines, about 1 mm. long; cells rotund 22. ^. ; tri- 

 gones large convex; underleaves nearly as large as the 

 leaves reniform to rotund with a shortly bifid apex, 

 margin with few or many cilia. Perianth up to 1 cm. 

 long membranous, calyptra adnate to the perianth with a 

 free apex bearing sterile archegonia above, capsule narrow 

 oblong on a short stalk quadrivalved to the base. 



Very common. 



Australia. New Zealand. Fuegia. 



Lepidolaena hrachyclada (Leh?ii.), St. — Stems veiy 

 long; lateral branches very short distant, yellowish- 

 green to more or less purple. Leaves broadly ovate up to 

 1 mm. long, margin anned with filiform spines, ventral 

 lobe nearly half as long as the leaf, lanceolate, very acute, 

 with about four spines on the ventral and a dark clavate^ 

 sack on the dorsal margin ; cells 22 ^., walls irregularly 

 thickened, tris^ones medium convex; underleaves' broad 

 quadrifid to the middle more or less armed, with slender 

 spines. 



Mt. Wellington. West Coast. Not common. 



Form, alpina. — Short with numerous bold lateral 

 branches, dark purple. Leaves entire or with few small 

 spines; ventral lobe rudimentary on the main stem, on: 

 the branches well developed, but the ventral section entire ; 

 cells with equally thickened walls ; underleaves deeph' 

 divided, lobes armed. 



Mt. Wellington. Hartz Mt. Adamson Peak. 



