— 4 6— 



136. Notholaena Hookeri D. C. Eaton. Rare; in talus 

 at the base of cliffs. Texas to Arizona. 



137- Notholaena Lemmoni D. C. Eaton. Rare; in dry 

 places. Arizona. 



138. Notholaena Newberry* D. C. Eaton." Cotton 



Fern. Abundant in crevices of dry rocks. 

 Southern California; also in Mexico. 



139. Notholaena nivea Desv. Rare; on dryish rocks. 



Arizona and New Mexico. — Pellcea nivea (Poir). 



140. Notholaena Parryi D. C. Eaton. Rare; in dry, 



rocky soil. Utah, to Arizona and California. 

 141- Notholaena Shaffneri (Fourn,). Rare; at the 



base of rocks. Western Texas. 

 142. Notholaena sinuata (Sw). Not uncommon; on 



dry rocks often in sun. Texas to Arizona: 



also in the West Indies and southward to Chili. 



The form crenata Lemmon is reported from 



Arizona. 



143- Notholaena tenera Gillies. Very rare and local; 

 in dry soil. Southern Utah, Arizona and Cal- 

 ifornia; also in Chili. By many regarded as a 

 form of N. nivea. — Pellcza tenera (Gillies). 

 Onoclea L. 



144. Onoclea sensibilis L. Sensitive Fern. Abundant; 

 in swamps and wet woodlands. Newfoundland 

 and Saskatchewan to Nebraska, Texas and 

 Florida. The form obtusilobata Torrey occurs 

 with the type, and is probably caused by an 

 injury to the sterile fronds. 



Pell.ea L. 



145- Pellaea andromedaefolia (Kaulf.). Coffee Fern. 

 Common; in stony soil. California and Ari- 

 zona. The form rubens D. C. Eaton is a 

 bronzed variety occurring with the type. 



146. Pellaea aspera (Hook.). Not uncommon; on 



