FERNS AND FERN ALLIES 387 



Near Port Clarence (Walpole, 1454) ; Cape Nome; Bering Strait; 

 Kobuk River (Mendenhall in 1901). 



40. Woodsia ilvensis (L.) R. Brown. 



Flett, Fern Bull. 9 : 33. — Maxon, 639 ; List 643. — MuiR, 49. 

 Woodsia hyperborea rufidula Milde, Fil. 165. 



Sitka ; Unalaska ; St. Michael ; Cape Nome ; Alatna River (Menden- 

 hall in 1901 — a linear-lanceolate form). 



41. Woodsia obtusa (Spreng.) Torrey. 



Clute, 97. — Maxon, List 643. 

 Physematiutn obtusum Kurtz, 428. 



Portage Bay, in the Chilcat region. Specimens marked "Ameri- 

 can arctic flora" also in Hb. Field Columbian Museum, 15451-2. 



42. Woodsia scopulina D. C. Eaton. 

 Kurtz, 428. — Maxon, List 643. 



Chilcat region. 



43. Blechnum spicant (L.) Smith. 



Campbell, 399. — Christ, 180. — Ledebour, 4 : 523. — Milde, Fil. 47. — 



Moore, Index 205. — Rothrock, 460. — Turner, 82. 

 Blechnum Mertens, Linnaea4: 69. — Hook. Bot. Misc. 3: 20. 

 Blechnum spicant crenatu7n Moore, Index 205. 

 Blechnum boreale'Ro^GAKD , 176. — Hooker, 2 : 263. 

 Strtithiopteris spicant Maxon, List 634. 



Observatory Inlet ; Cape Fox (Brew^er & Coe, 719); New^ Metla- 

 katla (Trelease, 2706) ; Wrangell (Evans, 12) ; Sitka (Coville & 

 Kearney, 860; Evermann, 197, 237; Evans, 224, 580; W. G. Wright, 

 16 13) ; Hot Springs, Baranof Island (Trelea.se, 2707) ; Orca (Tre- 

 lease, 2708). 



Professor Underw^ood's recent studies may cause this to be called 

 Struthiopteris spicant (L.) Scopoli. — See Mem. Torr. Bot. Club 

 6 : 282, and Our Native Ferns, 6 ed. loi. 



Family EQUISETACEJE. 



44. Equisetum arvense alpestre Wahlenberg. 

 Gilbert, 8. 



Glacier Bay (Trelease, 2627, 2628a) ; Disenchantment Bay (Tre- 

 lease, 2631) ; Bering Sea : Hall Island (Trelease, 2636) ; St. Matthew 

 Island (Coville & Kearney, 21 19). 



45. Equisetum arvense boreale (Bong.) Ruprecht. 



Gilbert, 8. — Milde, Monogr. 221. — Ruprecht, Symb. 87. 



E. arvense Britton, 22. — Britton & Brown, 1 : 36. — Campbell, 399. — 



