MOSSES AND LICHENS 



COLOUR PLATE XI 



;f/I 



UMIilLK'ARIA VELLEA, (L.) Nyl. 



Copyright, 1907, by Dou.jleday, Page & Company 

 ROCK TRIPE, UmliHii-ariii Miihlcnbergii, (Ach.) Tuckerm 



