94 



Chlorophycece 



capable of direct germination. Resting-spores or hypnospores are 

 sometimes produced. 



Wildeman 1 has shown the ease with which these plants repair 

 injuries to the thallus. 



Species of this genus are most abundant in damp tropical or 

 subtropical climates, occurring profusely as epiphytes on the leaves 

 and bark of trees. A few of them are constituents of certain 

 tropical lichens. 



Fig. 34. A C, Trentepohlia aurea Mart., from Cookridge, W. Yorks. ( x 500). 

 D F, T. calamicola (Zell.) De Toni, from trees near Lough Gartan, Donegal, 

 Ireland ( x 500). zg, zoogonidangium. 



1 Wildeman, in Mem. couronnes et autres Mem. Acad. roy. Belgique, 1899, 

 torn. Iviii. 



