LICHENS 139 



gell (Coville and Kearney, 402*$) . Collected by Dr. Bean, no locality 

 being given. 



All sterile. The specimen collected by Mr. Evans is on the bark of 

 spruce and is intermixed with Usnea longissima, Parmelia physodes, 

 and Cetraria glauca. 



196. Alectoria jubata bicolor (Ehrh.) Tuck. 



Lichen bicolor EHRHART, Beytr. 3: 82. 1788. 



Alectoria jubata bicolor TUCKERMAN, Syn. N. A. L. i: 44. 1882. SOWERBV, 

 Eng. Bot. /. ;Sjj. 



Broughton Strait (Trelease, 1 184^ in part) ; Sitka (Trelease, 1132) ; 

 Yakutat (Trelease, 1181). New to Alaska. 



The specimen from Yakutat is dwarfed and poorly developed, and 

 shows fragments of Mnium and Dicranum, The specimen from 

 Broughton Strait is mixed with fragments of Usnca longissima. 



197. Alectoria jubata chalybeiformis (L.) Ach. 



Lichen chalybeiformis LINNAEUS, Sp. PI. 2: 1155. 1753. 



Alectoria jubata chalybeiformis ACHARIUS, L. U. 593. 1810. Fl. Dan. t. 262, 



Alaska (Funston, 13); Sitka (Trelease, 1180). The only other 

 recorded Alaska locality is St. Paul Island, J. M. Macoun, collector. 



This variety occurs in a dwarfed form on the earth in alpine regions, 

 elongated and pendulous on trees farther south. 



198. Alectoria divergens (Ach.) Nyl. 



Cornicularia divergens ACHARIUS, Meth. Lich. 305. /. 6. f, I. 1803. 

 Alectoria divergens NYLANDER, Syn. i: 278. 1860. 



Kadiak (Trelease, 1194^ in part, 1208 in part); St. Michael 

 (Turner, 838 ; Setchell) ; Agattu Island (Townsend, 78) ; Hall Is- 

 land (Trelease, 1209 in part) ; St. Matthew Island (Trelease, no 

 number) ; Port Clarence (Trelease, 1112 in part) ; Cape Nome (Set- 

 chell) ; Seward Peninsula (Collier). Reported by Nylander from 

 Port Clarence and St. Lawrence Island, by Rothrock as occurring in 

 various localities, by Farlow as having been collected at Point Barrow, 

 by Tuckerman as having been collected by Wright on the islands of 

 Bering Strait. Macoun collected it on St. Paul Island, under synonym 

 Cornicularia divergens Ach. ; Hooker and Arnott report its occur- 

 rence at Kotzebue Sound ; Babington credits it to Norton Sound and 

 Kotzebue Sound as Evernia divergens Fries. It has also been col- 

 lected on Seward Peninsula by Arthur J. Collier. 



Mixed with these specimens are fragments of Cetraria islandica 

 and C. cticullata, Parmelia saxatilis, Cladonia rangiferina, and vari- 



