270 A. W. Evans — Arrangement of Genera of Hepatiem. 



44. ChiloSCyphuS Corda in Opiz. Naturl. p. 651 (1829): Dum. Syll. Jung. p. 

 67 ;■ Rev. des Genres, p. 19; Hep. Eur. p. 100: G. L. & N. Syn. Hep. p. 171. 



A widely distributed genus of 30-50 species, the typical one being 

 C. 2)olyanthos Corda. 



45. NotOSCyphuS Mitt, in Seemann, Fl. Vitiensis (1868). 

 A small genus of the Southern Hemisphere. 



46. Psiloclada Mitt, in Hook. f. Fl. Nov. Zel. ii, p. 143 (1853); in Hook. f. 

 Handb. N. Z. Fl. p. 518. 



Species 1, P. clandestina of New Zealand and Tasmania. 



47. Plagiochila Dum. Eev des Genres, p. 14(1835); Hep. Eur. p. 42 : G. L. & 

 N. Syn. Hep. p. 22. 



Radula, sect. Plagiochila Dum. Syll. Jung. p. 42. 

 Candollea Kaddi. in part. 

 Martinellia S. F. Gray, in part. 



Pedinophyllum Lindb. Bot. Not. 1874, p. 155 and in Act. Soc. So. Fenn. x, p. 504 

 (1875). 



Species 125-150, very numerous in tropical regions ; P. asplenoides 

 is a common northern species. 



48. Mylia S. F. Gray, Nat. Arr. Br. PI. i, p. 693 (1821): Lindb. in Act. Soc. Sc. 

 Fenn. x, p. 525: Undei'w. in Gray's Manual, Ed. vi, p. 717. 



Jungermanniae sp. G. L. & N. Syn. Hep. p. 82. 



Leptoscyphus Mitt, in Hook. Jour, of Bot. iii, p. 358 (1851), in part. 

 Leioscyphus Mitt, in Hook. f. Fl. N. Zel. ii. p. 134 (1855), in part. 

 Coleochila Dum. Hep. Eur. p. 105 (1874). 



A small genus of northern regions ; founded upon Jungermannia 

 Taylori Hook, and the allied J. anomala Hook. 



49. IjeptOSCyphuS Mitt, in Hook. Jour, of Bot. iii, p. 358 (1851), in part. 

 Leioscyphus Mitt, in part. 



A small genus occurring in tropical and south temperate regions ; 

 L. fragilifolius is one of Mitten's original species. 



50. Harpanthus Nees, Eur. Leberm. ii, p. 351 (1830): G. L. & N. Syn. Hep. 

 p. 689 : Dum. Hep. Eur. p. 66. 



Pleuranthe Tayl. in Hook. Lond. Jour. Bot. v, p. 282 (1846): G. L. & N. Syn. Hep. 

 p. 689 (1847). 



Species 2, — H. Flotoviamts Nees and H. scutatus Spruce of 

 Europe and America. 



51. Liochlaena Nees in G. L. & N. Syn. Hep. p. 150 (1845). 

 Aploziae sp. Dum. Hep. Eur. p. 58. 



Contains 2 or 3 species, the typical one being L. lanceolata of 

 Europe and America. 



