218 tasmanian hepaticie. 



25. Lejeunia. 



Perianth obovate, 3-6-plicate ; mouth a tubular beak. 

 (PI. xxvii.) 



26. Trichocolea. 



Calyptra and involucral leaves combined ; leaves capil- 

 lary, multifid. (PI. xxviii.) 



2. Fruit lateral. 



27. Mastioophora. 



Perianth ventricose, subcampanulate. (PL xxi.) 



(&.) Lobule inflated-galeate. 



28. Frullania. 



Perianth 3-6-plicate or terete, with a tubular beak. 

 (Pis. xxviii., xxix.) 



29. POLYOTUS. 



Tnvolucral leaves overlying each other, adnate below. 

 (PI. xxix.) 



B.—FEONDOSiS.— Without distinct Leaves. 



(PI. ii., f. 4, 5.) 

 (a.) Perianth complete. 



30. FOSSOMBRONIA. 



Perianth on upper side of frond ; leaves angular. 



(PI. XXX.) 



31. Zoopsis. 



Perianth lateral ; frond continuous, with alternate 

 lateral projections, tipped with ciha. (PI. xxx.) 



32. PODOMITRIUM. 



Perianth from the under side of a continuous frond. 

 (PL xxxi.) 



33. Steetzia. 



Perianth on upper side of a continuous frond. 

 (PL xxxi.) 



(&.) Perianth none, 



34. Symphyogtna. 



Calyptra on upper side of often stipitate frond ; nerve 

 narrow. (PL xxxii.) 



