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1. P. AQUILINA L. Common. The fronds 

 before expanding are edible, and were used in 

 former times as a pot herb. 



6. Adiantum L. 



Maiden's Hair. Five-fingek. 



Sporangia at the end of distinct veins. Sori 

 covered by the semi-lunar reflexed margins. 

 Indusium continuous with the margin of the 

 leaf, free on its inner side. — U- Petioles not 

 green. 



1. A. EMAEGTXATUM Hook. Kacliis of the 

 frond continuous to the apical pinnule (leaflet). 

 Common. 



2. A. PEDATUM L. Eachis of the frond 2- 

 furcate, each partition bearing several pinnate 

 branches on its apical side. — Camp Taylor. 

 Saucelito. 



7. Blechnum L. {L^maHa, Willd.) Dekr-fern. 



Sporangia forming a linear sorus on each 

 side of the mid-rib and parallel to it. Indu- 

 sium membranaceous, attached to the recepta- 

 cle and free on the inner side. — %. 



1. B. SPICANT Desvaux. — Tennessee Val- 

 ley. Wild-wood Glen. 



8. Woodwardia L- Chain -fern. 



Sporangia placed on reticulate veinlets, 

 forming oblong sori on each side of the mid- 



