THE FERN BULLETIN 



25 



the margin breaks up into small toothed lobes and 

 there are indications that very little inducement would 

 be needed to make it pinnatifid. The most singular 

 feature of the plant, however, is found in three veins 

 of almost equal prominence that extend through each 



Pinnae of Polystichum acrostichoides lanceolatum. 



pinna. We illustrate the three lowest pinnae from a 

 frond kindly loaned by Mr. W. A. Poyser. The curious 

 lanceolate three veined pinnae persist throughout the 

 frond the only difference apparent is the natural de- 

 crease in size as the tip is approached. The specimen 

 was found in rich soil in old woods where the type 

 grew abundantly. 



ADDITIONS TO THE FERN FLORA OF INDIANA 



BY E, J. HILL. 



The following is a list of additions to the Fern Flora 

 of Indiana which I made on looking over the list in 

 October Fern Bulletin. 



Ophioglossum vulgatum. I have found this twice 

 in Lake county at the north end of Wolf Lake and a 

 mile or so northwest of Miller. It was in 1897 and 

 1898. 



Nephrodium Goldieanum. In woods, Otis, La 

 Porte county. 



Nephrodium spinulpsum dilatatum. Dune Park, 

 Porter county. 



Selaginella rupestris. Dune Park, Porter county. 



