1916] Evans, — Notes on New England Hepaticae, — XIII 113 



eastern North Ameriea the writer has had abundant material for 

 study. The North American specimens have been carefully com- 

 pared with European material. A few slight deviations from the 



FlRS. 14-25. PORBLLA PLATTPHTLLOIDBA (Sch Weill) Litldb. 

 11. Branch hearing a male inflorescence and two sterile branches, ventral view. 15. A leaf 

 dorsal view. 16-21. Leaves, ventral view. 22. A leaf at, the base of a branch. 23-2. r >. 

 LJnderleaves. All magnified about 14 limes. The figures are a reproduction of those by 



Gottache, distributed with Gottsche and Rabenhorst'i Hepaticae europaeee ,172. They were 

 drawn from an authentic North American specimen of .lungcrmannia plat yphyllu idea Schwein. 

 in the Linden berg herbarium. 



