( 45 ) 



9. ASPIDITJM, Swartz. 

 J . Thelypteris, Swartz. 



2. Noveboracense, Swartz. 



3. spinulosum, Swartz, a, Brattleborough, Frost, & var. interme- 



dium, J). 0. Eat., var. dilatatum, Gray, and var. Boottii, Gray. 



4. cristatum, Swartz, & var. Clintonianum, Eat. 



5. Goldianum, Hook. Alt. Toby, Hitchcock. 



6. marginale, Swartz. 



7. acrostichoides, Swartz. 



8. aculeatum, Swartz., var. Braunii, Koch. Brattleborough, Frost. 



10. STRUTHIOPTERIS, Willd. 



Germanica, TVilld. 



11. ONOCLEA, L. 

 sensibilis, L. 



12. CYSTOPTERIS, Bernh. 



1. bulbifera, Bernh. Mt. Toby. 



2. fragilis, Bernh. Mt. Holyoke, &c. 



13. WOOD SI A, R. Br. 



1 . obtusa, Torr. 



2. Ilvensis, R. Br. 



14. DICKSONIA, I/Her. 

 punctilobula, Kunze. 



15. LYGODITJM, Swartz. 

 palmatum, Swartz. Climbing Ferx. 



16. OSMUND A, L. 



1. regalis, L. Osmuxd-royal. 



2. Claytoniana, L. 



3. cinnamomea, L. 



17. BOTRYCHIUM, Swartz. Mooxwort. 



1. simplex, Hitchcock. Conway, Hitchcock. Plainfield, &c, Porter. 



2. matricariaefolium, Milde. Conway, &c, Jesup. 



3. lanceolatum, Angstr. Amherst, L. B. Tuclcerman. Conway, etc.. 



Jesup. 



4. ternatum, Swartz, var. lunarioides, Milde, & var's obliquum, & 



dissectum, Milde. 



5. Virginicum, Swartz. 



18. OPHIOGLOSSTJM, L. 



vulgatum, L. Adder's-Toxgue. 



Order 103. LYCOPODIACEiE. 



1. LYCOPODIUM, L., Spring. Club-Moss. 

 1 . lucidulum, Michx. 



