FERNS AND FERN ALLIES 385 



656); Nagai (Townsend in 1893); ? Unalaska (Harrington in 

 1871-2, as Aspidium fragrans) ; Afognak ; Attu ; Golofniii Bay; 

 Cape Nome; Nushagak ; Kotzebue Sound; Oogluk Bay (Walpole, 

 1733 toward the following form) ; Bering Sea: St. George Island; 

 St. Paul Island. 



A thicker-leaved, more compact small form, typically deltoid-ovate, 

 the forma nana, which is very near the so-called variety dumetorum, 

 also occurs abundantly, as follows : Cape Fox (Cole) ; Douglas 

 Island (Trelease, 2737) ; Juneau (Brewer & Coe, 715) ; Sitka (Tre- 

 lease, 2741); Kadiak (Coville & Kearney, 2243; Trelease, 2743); 

 Cook Inlet to Tanana River (Glenn in 1899) ; Nagai (Harrington in 

 1872); Bering Sea: St. George Island (Evermann, 96); St. Paul 

 Island (Townsend in 1893; True & Prentiss, 45; Townsend, June 

 24, 1893 growing into the larger form). 



DRYOPTERIS SPINULOSA INTERMEDIA (Willd.) Underwood. 



BRITTON, 16. BRITTON & BROWN, i : 18. MAXON, List 640. 

 Aspidium spinulosum intermedium COOLEV, 246. 

 Nephrodium spinulosum intermedium GILBERT, 17. 



Wrangell . 



DRYOPTERIS BOOTTII (Tuckerm.) Underwood. 

 Aspidium boottii CLUTE, 143. COOLEY, 246. 



Loring. 



This and the preceding probably refer rather to D. dilatata, the in- 

 dusial characters and form of which are found in all of the speci- 

 mens I have been able to examine, though I have not seen Miss 

 Cooley's material. 



35. Dryopteris filix-mas (L.) Schott. 



BRITTON, 16. BRITTON & BROWN, i : 171. J. M. MACOUN, 575. MAXON, 

 List 639. 



St. George Island, Bering Sea. 



36. Cystopteris bulbifera (L.) Bernhardi. 



CLUTE, 214. KURTZ, 428. 

 Filix bulbifera MAXON, List 642. 



Pyramid Harbor. 



37. Cystopteris fragilis (L.) Bernhardi. 



BRITTON & BROWN, i : 13. COOLEY, 182, 246. COVILLE FUNSTON, 350. 

 DAVENPORT, 607. FLETT, Fern Bull. 9 : 32, 33. HOOKER & ARNOTT, 

 132. KURTZ, 428. LEDEBOUR, 4: 516. LYELL, 126. J. M. MACOUN, 

 575. MOORE, Index 280. MUIR, 51. OSTENFELD, 7. ROTHROCK, 

 460. RUPRECHT, Symb. 108. TURNER, 82. 



