FERNS AND FERN ALLIES 385 



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

 1871-2, as Aspidium fragrans) ; Afognak; Attu; Golofnin 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 COOLEY, 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. 



