146 LICHENS OF THE STATE OF WASHINGTON 



below paler, wrinkled, rhizoids scarce, scattered, usually only at points of 

 attachment to the substratum. Apothecia marginal, 1-7 mm. in diameter, 

 adnate; disk hazel (R) or chestnut-brown (R), concave; thalline margin 

 tuberculate ; spores hyaline, spherical to subspherical, 4.0-8,0 fi in diameter. 



On trees or fallen branches : Pierce Co. : Mt. Rainier, Grand Park, 5575 

 ft., 656; trail to Moraine Park, 3300 ft., 3005; Paradise Park, 5550 ft., 

 1931, 1893. Yakima Co.: Bumping Lake, 3400 ft., 1931, 938. Chelan Co.: 

 Merritt, 2186 ft., 1080. Spokane Co.: Mt. Spokane, 5808 ft., 1931, 1489a. 

 Columbia Co.: Blue Mountains, 3500 ft., 1931, 1621. King Co.: Summit, 

 1907, Foster 650 (F). San Juan Co.: Orcas Island, Mt. Constitution, 2200 

 ft., 1904, Frye (F). Washington Territory, Suksdorf (F). Ferry Co.: 

 Republic, 1912, Foster 2285 (F). Clallam Co. : Mt. Angeles, 3000 ft., 1911, 

 Foster 1786 (W) ; Olympic Mountains, Crystal Ridge, 1939, A. H. Smith 

 14981 (F). 



The dark brown color, the thick tough texture of the thallus, and the 

 short lobes distinguish this species from N. ciliaris. It has not been col- 

 lected below 2000 ft. 



