DERIVATION OF THE FLORA AND FAUNA 245 



Phaeographina M. Arg. (80). Trop.-subtrop. 



scalpturata M. Arg. Trop.-subtrop. S. Amer., N. Zeal. — Mt. 



Chiodectonaceae. 



Enterostigma M. Arg. (2). 1 trop. Amer., and the following. 

 Skottsbergii Zbr. — Mf. 



Dirinaceae. 



Dirma Fr. (12). Of wide distribution. 

 limitata Nyl. Chile. — Mt. 



Lecanactidaceae. 



Schismatomma Fw. et Koerb. (80). Mainly warmer countries. 

 accede7is (Nyl.) Zbr. Chile.— Mt. 



Chfysotrichaceae. 



Byssocaiilon Mont. (5). Austral.-Oceania. 



nivetirn Mont. Subtrop., north to Japan, south to Chile and N. Zeal. — Mt. 



Thelotremaceae . 



Ocellularia Spreng. (over 100). Mainly warmer regions. 



subdenticulata Zbr. — Mf. 

 Thelotrema (Ach.) M. Arg. (over 100). Mainly warmer regions. 



lepadinum Ach. Widely distributed; also Hawaii, Chile, south to Fueg., 

 N. Zeal., Auckl. Is.— Mt, Mf. 



Diploschistaceae. 



Diploschistes Norm. (30). Cold-temp., trop. -alp. 



actinostomus (Pers.) Zbr. N. and S. temp.; Hawaii. — Mt. 



sc7'uposus (Schreb.) Norm. N. and S. temp.; S. Chile, south to Fuegia. — Mt. 



Gyalectaceae. 



Dimerella Trev. (39). Mostly trop. 



lutea (Dicks.) Trev. Widely distributed, also S. Chile, Patag.; Haw.— Mt, Mf. 

 Gyalecta Ach. (60-70). Mainly colder climates. 



jenejisis (Batsch) Zbr. N. Amer., Eur.; N. Zeal. — Mt. 

 Pachyphiale Loennr. (4). 2 S.W. Eur., i bor.-temp., and the following. 



cornea (With.) Poetsch et Schiederm. Eur.; Chile. — Mt. 



Coenogoniaceae. 



Coenogonium Ehrenb. (30). Centr. and trop. S. Amer., Afr., trop. As., Austral. 



velutmum Zbr. S. Chile (comm. by R. Santesson). — Mt. 

 Racodium Fr. (i). 



rupestre Pers. N. and S. Amer. (Staten I., comm. by R. Santesson); Eur. — Mt. 



