AN ENUMERATION OF CULTIYATED -lEENS. 



179 



91. PELL^A, Link., 



Vernation fasciculate, erect or decumbent, sqnamose. Fronds 

 palmate, pinnate, or bi-tripinnate, 5 inobes to 6 feet high ; pin- 

 nules articulated to the rachis or to a short petiole. Veiiis 

 forked; venules free. Bec^tacles terminal, generally con- 



Genus 91.— Fertile pinna, under side. No. 6. 



tiguous, forming a more or less broad, compound, continuous 

 marginal sorus, or rarely distant, and each receptacle forming 

 definite round sori. Indusiwm linearly contiuaous or aub- 

 rotund and special to each receptacle. 



N 2 



