127— 



207. Woodsia Oregana D. C. Eaton. Somewhat 



rare; in rocky soil. Northern Michigan, Wis- 

 consin, Oklahoma, Arizona and California to 

 British Columbia and Northward. 



208. Woodsia scopulina D. C. Eaton. Rare; on 



rocks. Ontario and Michigan to British Col- 

 umbia and Alaska ; also in the mountains of 

 Arizona and California. 



The form found in Michigan and Minne- 

 sota has been described as W . Cathcartiana 

 Robinson. It differs only in the form of pubes- 

 cence and is more properly Woodsia scopulina 

 Cathcartiana. ( Robinson. ) 



Woodwardia Smith. 



209. Woodwardia angustifolia J. E. Smith. Nar- 



row-leaved Chain-Fern. Common in 

 shaded marshes near the coast. Maine to 

 Florida, Texas and Arkansas; also in Michi- 

 gan. — Lorinsera areolata (L.) ; Woodwardia 

 areolata (L.). 



210. Woodwardia spinulosa Mart & Gal. Rare; in 



moist places. Arizona, California and Wash- 

 ington. The form ramosa A A. Eaton is re- 

 ported from California. This species is often 

 considered a form of W. radicans. 



211. Woodwardia Virginica (L.) Common 



Chain-Fern. Abundant in open swamps. 

 Nova Scotia, Ontario and Michigan to Arkan- 

 sas, Louisiana and Florida; also in Bermuda. 

 A small form is reported from South Carolina 

 as f. thelyteroides Pursh. — Anchistea Vir- 

 ginica (L.) 



