HANDBOOK OF BRITISH HEPATICJE. 



259 



p. 231 ; Hook. Br. Jung. t. 73. Metzgeria 

 pubescens, Raddi. Jung. Etr. p. 46 ; Gott. and 

 Rabh. Exs. No. 84 ; Carr. and Pears. Exs. No. 

 149, 150 ; Cooke Hep. fig. 183. 



On wet rocks. 



Forming glaucous green patches. Fronds i inch 

 long, horizontally creeping, and imbricating. 

 Branched in a dichoto- 

 mous manner once or 

 twice, apices always 

 obtuse, edges waved, but 

 entire, centre furnished 

 with a strong nerve, the 

 whole surface above and 

 below, and the margin, 

 covered with short, white 

 simple hairs. Colour pale 

 green, glaucous with the 

 white hairs (fig. 182). 



182. 



Metzgeria hamata, Lind. 



Dioicous, very often large and much elon- 

 gated, dichotomous ; branches long-linear, 

 and equally broad throughout, very convex, 

 subterete, not undulate, postical in the stem, 

 and margins densely setosely pilose, hairs 

 very long, divaricate, those on the margin 

 torn and divergent. 



Metzgeria hamata, Lind. in Mon. Metz. fig.; 

 G. and Rabh. Exs. 559 ; Carr. and Pears. 



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