Howe. American Species of Alectoria 147 



ft., B. Fink, Aug., 1906 (5867, 5870, 5913 F) ; Yoho pass, /. 

 Macoun, Aug. 6, 1904 (4879 F) ; Revelstoke, 2,000 ft., C. E. 

 Shaw, July 9, 1905 (3563 CM) ; Pugct sound, Mt. Constitution, 

 B. Fink, July 13, 1906 (5581, 5547, 5498 F; 1544, 1895 H) ; 

 Turtle Back mt., B. Fink, July 30, 1906 (5425 F) ; Glacier, B. 

 Dean, June, 1896 (NY) ; IV. W. Calkins (W) ; Vancouver island, 

 W. Trelease, June 2, 1899 (CEC) ; Hossack, 1909 (2006 H) ; 

 New Westminster, A. J. Hill, 1906 (1547 H) ; (?) 100 ft., L. H. 

 Mills, Sept. 1, 1909 (1687 H) ; Barclay sound, /. Macoun, 1909 

 (1777 H) ; Columbia valley, /. Macoun (970 H) ; Friday harbor, 

 B. Fink, July 7, 1906 (1060 H) ; Donald, Macoun, July 6, 1885 

 (CGS) ; Selkirk mts., Macoun, Aug. 8, 1890 (CGS) ; Vancouver 

 island, Macoun, Apr. 30, 1887 (CGS) ; Skeena river, /. M. 

 Macoun, Oct. 2, 1891 (CGS) ; Revelstoke, Macoun, May 5, 1890 

 (CGS) ; Yoho pass, Sept. 8, 1904 (CGS) ; Burrard inlet, Macoun, 

 Apr. 24, 1889 (CGS) ; McLeod's lake, June 27, 1875 (CGS). 

 Alberta: Laggan, 5,000 ft., C. Crosby, July 22, 1901 (5912 F) ; 

 Rocky mts., 6,000 ft., G. Martin (1805 H) ; Kicking Horse pass, 

 Macoun, Sept. 13, 1884 (CGS). Saskatchewan: Moose mt., 

 6,000 ft., /. Macoun, June 30, 1897 (CGS). Alaska: Unalaska, 

 W. A. Setchell, June, 1899 (CEC); Indian river/ Sitka, G. E. 

 Cooley, Aug. 12, 1891 (NY) ; Skeena, /. Macoun, Oct. 2, 1891 

 (ANS) ; Prince William sound, A. W. Greeley, Aug., 1902 

 (NH); Prince William sound, C. W. Hayes, Sept., 1891 (W. 

 CEC) ; Indian river, G. E. Cooley, Aug. 12, 1891 (W) ; Sitka, 

 L. J. Cole, June 15, 1899 (CEC); New Metlakahtla, W. Tre- 

 lease, June 4, 1899 (CEC) ; Yakutat bay, W. Trelease, June 22, 

 1899 (CEC) ; Sheep creek, G. E. Cooley, Aug. 5, 1891 (CEC) ; 

 F. V. Coville, June 5, 1899 (CEC) ; Port Etches, /. M. Macoun, 

 June 18, 1892 (CGS). Yukon: Chilcoot pass, R. S. Williams, 

 Apr. 6, 1898 (1859 H). 



Alectoria virens Tayl.* 1. c. 

 Alectoria tortuosa Merrill, Bryologist, 12 : 5. 1909. 



Type: In the Taylor herbarium, Boston Society of Natural 

 History, Boston, Massachusetts. 



* Mull. Arg. 74: 373. 1891 " Ex omni analogia et naturali affinitate con- 

 generica esse debet cum A. ochroleuca." 



