Family POLYPODIACEA tt 
2. POLYPODIACEZ. 
5. Notholeena. 7. 
1. Notholena dealbata (Pursh) Kuntze. 
Rare in rocks. in the southeastern part of the state. Weeping Water. 
6. Adiantum. 7. 
1. Adiantum pedatum L. Maiden-hair Fern. 
In moist shady woods in the southeastern part of the state. Al- 
bright; Bellevue; Florence; Lincoln; Nemaha; Plattsmouth; Peru; 
Richardson county; Table Rock. 
7. Cryptogramma. 8. 
1. Cryptogramma acrostichoides R. Br. Rock-brake. 
Collected on rocks near Franklin by E. M. Hussong. 
8. Pellza. 9. 
1. Pellza atropurpurea (L.) Link Rock-fern, Cliff-brake. 
On dry calcareous rocks in the southeastern part of the state. 
Brownville; Endicott; Peru; Table Rock; Weeping Water. 
9. Cheilanthes. 9. 
1. Cheilanthes feei Moore. 
On rocks in Red Willow county and in Hackberry canyon in Banner 
county. 
10. Athyrium (Asplenium). 10. 
1. Athyrium filix-foemina (L.) Roth. Lady Fern. 
Uncommon, occurring only in very favorable places in woods, mostly 
in the eastern part of the state. Lincoln; Long Pine; Omaha. 
11. Dryopteris (Aspidium). 14. 
The shield-shaped indusium distinguishes these from all other native 
ferns, but it may disappear and the sorus appear naked. 
Leaves without spiny teeth. 
Segments of the leaf not serrate. 1. D. thelypteris. 
Segments of the leaf finely serrate. 2. D. cristata. 
Leaves with spiny teeth. 3. D. spinulosa. 
1. Dryopteris thelypteris (L.) A. Gray. Marsh Shield-fern. 
Common in shady places and in wet meadows. Cherry county; 
Crawford; Endicott; Franklin; Fremont; Halsey; Kearney; Newark; 
Long Pine; Thedford. 
2. Dryopteris cristata (L.) A. Gray. 
In wet meadows on the South Fork of Dismal river in Thomas 
county. 
3. Dryopteris spinulosa (Muell.) Kuntze. 
In damp woods or in wet soil by streams. Long Pine; Plummer Ford. 
12. Filix. 17. 
1. Filix fragilis (L.) Underw. Delicate Fern, Bladder Fern. 
Common along streams over most of the state; our most abundant 
fern. Anselmo; Ashland; Belmont; Endicott; Halsey; Lincoln; Long 
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