122 TASMANIAN BRYOPHYTA, 



reddish, lost below the apex ; cells rotund, not storongly in- 

 crassate, smooth, or slightly convex. Seta, about 1 cm- ; 

 capsule pyriform, with a narrow mouth, smooth, furrowed 

 when dry, 1.8 m.m. ; lid conic, red at the base, less than 

 one-third the length of the capsule ; peristome double ; 

 exostome of eight short teeth, geminate, dividing above; 

 endostome of 16 incurved cilia. 



George Bay, Forth River, Near Kingston. 



ZYGODON MINUTUS, CM. et Hpe. 



Similar in habit and general structure to Z. Menziesii, 

 but the leaf acuminate with a shortly excurrent nerve. 

 The exostome is described as formed of 16 gemina,te, short, 

 closely-joined teeth, and the endostome of eight cilia in- 

 serted on a tender reticulate membrane. 



Not present in any available collection. 



AMPHIDIUM, Schimp. 



Rather small, decumbent or sub-erect, in dense clus- 

 ters, simple, or with few, irregular branches. Leaves 

 linear-lanceolate, nerved, keeled, opaque, cells irregularly 

 rotund, quadrate below, large and rectangular at the 

 base; papillae irregular, numerous, obtuse; peirichaetials 

 longer. Seta thrown to one side, short ; capsule goblet-shap- 

 ed or obconic, mouth very broad, thin- edged ; lid shoTtly 

 rostrate, oblique ; calyptra short, cucullate ; peristome, 

 none. 



AMPHIDIUM OYATHICARPUM (Mont.), Broth. 



Syn : Zygodon cyathicarpum, Mont. 



Stems usually under 1 cm., simple, dark below, livid 

 green above. Leaves spreading, linear, acute, 2 m.m. ; 

 margin thickened, revolute below, remotely toothed above; 

 nerve slender, lost in the apex ; perichaetials longer, 

 slender, usually exceeding the seta. Seta, 1.6 m.m.; cap- 

 sule 0.8 m.m-, furrowed. 



On ground, Mt. Faulkner, Mt. Dromedaiy ; on tree^ 

 Forth River. 



