272 A. W. Evans — Arrangennent of Genera of Hepaticce. 



Mesophylla Dum. Comm. bot. p. 112 (1822); Syll. Juug. p. 80; Rev. des Gecres, 

 p. 24; Hep. Eur. p. 129. 



Alicularia Corda in Opiz Naturl. p. 652 (1829): Dum. Syll. Jung. p. 79; Hep. 

 Eur. p. 131 : G. L. & N. Syn. Hep. p. 10. 



Solenostoma Mitt. Jour. Linn. Soc. viii, p. 51. 



Jungermanniae sp. G L. & N. Syn. Hep. et Auctt. 



Aploziae sp. Dum. Hep. Eur. 



A widely distributed genus of 15-25 species. As restricted by 

 Spruce, 1. c, the genus may be divided into the following subgen- 

 era : — Eunardia Spruce, Eucalyx Lindb., Apotomanthus Spruce 

 and Chascostoma Lindb. 



62. G-ymnomitrium Corda in Oplz. Naturl. p. 651 (1829): G. L. & N. Syn. 

 Hep. p. 2. 



Oesia S. P. Gray, Nat. Arr. Br. PI. i. p. 705 (1821), not Caesia R. Br. (1810). 

 Acolea Dimi. Syll. Jung. p. 76 (1831) ; Hep. Eur. p. 121. 



Species 10-20, occurring in cold regions ; G. concinnatum is a 

 common Alpine species. 



63. Prasanthus Lindb. Kougl. Svenska Vet -Akad. xxiii, No. 5 (1889). 

 Species 1, P. Saecicuni of northern Europe and Asia. 



64. Dichiton Mont. Sylloge Crypt, p. 52 (185h). 

 Species 1, D . perpusillum of Algeria. 



TRIBE VII. ACROBOLBE^. 



65. Lindigina Gottsche, Ann. d So. Nat. 5me serie, T. i, p. 137 (1864): Mitt. 

 Jour. Linn. Soc. xvi, p. 157. 



Lindigia Gottsclie, Mexik. Leverm. p. 216 (1863), non Harape. 

 Gymnanthe Tayl in part: Mitt, in Hook. f. Handb. N. Z. FL p. 519. 

 Podanthe Tavl. iu Drumm. Swan Uiver Crypt. (1846): G. L. & N. Syn. Hep. p. 

 789, not Podanthes Haw. Syn. PI. Succ. (1812). 



Iiethocolea Mitt, in Hook. f. Handb. N. Z. Fl. p. 753. 



8 species are enumerated by Mitten, the original ones being L. 

 Liehmanniana and L. Granatensis of Gottsche. 



6(). Acrobolbus Nees in G. L. & N. Syn. Hep. p. 5 (1844). 



Gymnanthe Tayl. in part: G. L. & N. Sjm. Hep. p. 192: Dum. Hep. Eur. p. 119. 



Species 1, A. Wilsonl Nees of Europe and South America. 



67. Tylimanthus Mitt, in Hook. f. Handb. N. Z. Fl. p. 753 (1867). 



Gymnanthe Tayl. in Lehra. pug. pi. viii, p. 1 (1844), not Gymnanthes Sw. (1788) :^ 

 G. L. & N. Syn. Hep. p. 192. 



A small tropical or subtropical genus, proposed by Mitten for 

 Gymnanthe saccata. 



