638 PROCEEDINGS OF THE NATIONAL MUSEUM vol.xxiii. 



Phejjopterh dri/opteris var. robertlanum Daveup. Cat. Davenp. Herb. Suppl. 47. 



1883. 

 Phegopteris calcarea Fee, Gen. Fil. 243. 1850-52. 

 Labrador to Quebec, Iowa, ^Minnesota, and Manitoba. Reported from Idaho. 



Phegopteris tetragona (Sw.) Fee, Gen. Fil. 243. 1850-52. 

 PoJijjiodhuii tdragonum Sw. Fl. Ind. Occ. 3 : 1670. 1806. 

 INIarion County, Florida [Reynolds). 



Phegopteris reptans (Sw.) D. C. Eaton, Bull. Torr. Clul) 10 : 101. 1883. 



Poh/podiain rc2:>tanf: Sw. Fl. Ind. Occ. 3 : 1655. 1806. 

 Near Brooksvi lie, Florida (/. Donnell Smith). 



DRYOPTERIS Adans. Fam. PI. 2 : 20. 1763. 



Dryopteris oreopteris (Sw.) Maxon, comb. nov. Heath ferx. 



Aftpidium oreopteris Sw. Schrad. Journ. Bot. 1800- : 35. 1801. 

 Polypodium montanurnJ. A. Vogler, Dissert. Polyp. Mont. 1781, not Lam. 1778. 

 Dryopteris montana Kuntze, Rev. Hen. PI. 2 : 813. 1891. 

 British Columbia (Macoun); Unalaska Island, Alaska (Turner); Washington 

 {Ehner). 



Dryopteris nevadensis (D. C. Eaton) Underw. Our Native Ferns ed. 1. 

 113. 1893. 



Aspidium ncvadense D. C. Eaton, Ferns X. Am. 1 : 73. pi. 10. 1878. 

 California and Oregon. 



Dryopteris contermina strigosa (Fee) Underw. Our Native Ferns ed. 1. 

 113. 1893. 



Aspidiuvi strigosum Fee, Hist. Foug. et Lycop. Antilles 78. ^>Z. 22. f. 2. 1866. 

 Aspidium conterminuvi var. strigosum D. C. Eaton, Bull. Torr. Club 7 : 62. 1880. 

 Florida. 



Dryopteris noveboracensis(L.) A. Gra}', Manual ed. 1. 630. 1818. New 



yOKK FEKN. 



Polypodium noveboracense L. Sp. PL 1091. 1753. 

 Aspidium noveboracense Sw. Schrad. Journ. Bot. 1800' : 38. 1801. 

 Newfoundland to Ontario and Minnesota, south to northern Georgia, Alaljama, 

 and Arkansas. 



Dryopteris simulata Daveup. Bot. Gaz. 19 : 197. 1891, as sa'u. 

 Aspidium simulatum Davenp. Bot. Gaz. 19 : 495. 1894. 

 Maine to Maryland. Reported also from Indian Territory and INIissouri. Pnil^a- 

 bly of wider range. 



Dryopteris thelypteris (L.) A. Gray, Manual ed 1. 630. 1818. Marsh 

 FERN. Snuff-box fern. 



Acrostickum thelypteris L. Sp. PL 1071. 1753. 

 Aspidium thelyptens Sw. Schrad. Journ. Bot. 1800^ : 40. 1801. 

 New Brunswick to Manitoba, south to Kansas, Texas, and Florida. 



Dryopteris patens (Sw.) Kuntze, Rev. Gen. Fl. 2 : 813. 1891. Sweet 



FERN. 



Polypodium patens Sw. Prodr. Veg. Ind. Occ. 133. 1788. 

 Aspidium ^yatens Sw. Syn. Fil. 49. 1806. 

 Aspidium molle Sw. Schrad. Journ. Bot. 1800^ : 34. 1801. 

 Florida and Alabama to California. 



