Howe: American Species of Alectoria 



141 



lin : Baffin land, Dr. Lyall, Aug., 1854 ( 1865 H). Alaska : Una- 

 laska, June, 1899 (CEC) ; Prince William sound, F. V. Coville, 

 June 24, 1899 (CEC) ; Kadiak island, W. Trelease, July 2, 1899 

 (CEC) ; St. Michaels, C. Wright, 1880 (ANS, NH) ; W. H. Ball, 

 1874 (ANS) ; W. H. Doll, 1874 (NH) ; Unalaska, W. A.Setchell, 

 June, 1899 (CEC) ; St. Michaels, W. A. Setchell, July 19, 1899 

 (CEC) ; St. Michael's island, L. M. Turner, Sept., 1875 (CEC).* 

 Yukon : /. C. Russell, July 28, 1889 (NH) ; near Dawson, R. S. 

 Williams, Apr. 2, 1899 (1861 H). British North America: 

 Drummond (TH). Arctic Ocean : Franklins 1st Voyage (TH) ; 

 Koby sound, Beechy (TH). 



Alectoria ochroleuca Cincinnati (Fr.) Nyl. Synop. 282. 



1858-60 



Everwia ochroleuca Cincinnati Fr. 1. c. 



Type: not indicated; the specimen on which the species is 

 based is not preserved at Upsala, where all Fries' collections are, 

 fide Prof. O. Juel. 



Type locality : not indicated. 



Original description : " thallo sarmentoso complicato rigi- 

 dulo ochroleuco, apices concoloribus," Fries, Lich. Eur. reform. 

 22. 1831. 



Figure: Sowerby, Eng. Bot. 29: pi. 204.0. 1809 (?). 



Hornem, Fl. Dan. 11: pi. 1897. /• 7 - 1828. 



Diagnosis : Thallus prostrate, rigid, subterete, foveolate or cav- 

 ernous, virescent. 



Description : Thallus prostrate, rigid, branches terete to 

 compressed, virescent, occasionally blackening ; cortex glabrous, 

 dull, papillate or striate, foveolate or cavernous ; primary branches 

 remotely dichotomous, subterete or compressed, tortulous, occa- 

 sionally monstrous (max. length 35 cm.) ; secondary branches 

 subremotely dichotomous, subterete, tortulous; fibrils rare, sub- 

 capillaceous, terete. Apothecia rare, as in sarmentoso. Spores 

 as in ochroleuca. 



Contingent phases: (a) clothed more or less with short (2 

 mm.) spines. 



Substrata : On the earth and rocks. 



Geographical distribution : Confined to the Boreal zone. It 

 has been reported from the White mts. {Tuckerman) to Green- 



