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1. P. aguinina L. Common. The fronds 
before expanding are edible, and were used in 
former times as a pot herb. 
6. Adiantum L. 
Marpen’s Harr. FIVE-FINGER. 
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.—2¢. Petioles not 
green. 
1. A. EMarainatum Hook. Rachis of the 
frond continuous to the apical pinnule (leaflet). 
Common. 
2. A. PEpATuM L. Rachis of the frond 2- 
fureate, each partition bearing several pinnate 
branches on its apical side.—Camp Taylor. 
Saucelito. 
7. Blechnum L. (Lomaria, Willd.) DEeR-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. —2f. 
1. B. spicant Desvaux.— Tennessee Va]l- 
ley. Wild-wood Glen. 
8. Woodwardia L. CHAIN -FERN. 
Sporangia placed on reticulate veinlets, 
forming oblong sori on each side of the mid- 
