240 TASMANIAN HEPATICiE. 



1®. PSILOCLADA, Mitten. 



Fruit lateral, stems procumbent; leaves and stipules 

 deeply cleft. 



Hirsute ; stems capillary, creeping, sub-pinnately branched 

 Leaves succubous, distant, minute, quadrate, 4-cleft. Stipules 

 similar. Fruit lateral, on very short branches. Involucral 

 leaves 2-fid, large, falcate. Perianth sub-cylindric, smooth ; 

 mouth laciniate ; laciniae falcate, secund. Calyptra, &c. 

 unknown. 



1. P. CLANDESTiNA, Mitten, Fl. N.Z., ii,, 143, t. 99, f. 4. 

 Stems 1 in. long, capillary, procumbent, sparingly 

 branched. Leaves bright green, microscopic, scarcely 

 broader than the stem, remote, square in outline, con- 

 sisting of a short horizontal blade and 4 erect subulate 

 lobes at i-ight angles to it ; cells large, inflated ; involu- 

 cral, imbricate, large, falcate-secund, more cut. Stipules 

 similar, smaller. (PI. xv.) 



Tasmania — Gunn. (New Zealand.) 



©. GYM NAN THE, ray. 



Stems prostrate or ascending, vaguely branched. Leaves 

 succubous, distichous. Stipules present or absent. Fruit 

 terminal. Involucre a cylindrical pendulous tube, often 

 fleshy and buried in the ground. Perianth or adnate with 

 the involucre. Capsule on a slender fruitstalk ; elaters with 

 two spiral fibres. Antheridia free in the axils of the leaves. 

 This genus has been divided by Mitten into five in 

 Hooker's Handbook to N.Z. Flora, p. 753, the name 

 Gymnanthe being too near Gymnanthes and Gymnanthus. 



GTMNANTHE (Divided). 



Perianth, a descending fleshy bag. 

 Fruit terminal. 

 * Stems erect or ascending, leaves nearly entire, stipules 0. 



11. TxLiMANTHUs, T. saccata, T. Tenella. 



** Stems procumbent, leaves 2-fid, stipules small or none. 



12. AcROBOLBUs, A. cinerascens. 



*** Stems procumbent, leaves entire, stipules 0. 



