170 LICHENS OF THE STATE OF WASHINGTON 



Thallus olive-gray (R), dark gray, grayish white, or slightly yellow, 

 crustose, when young, thin and smooth, but soon becoming thicker and 

 rough, granulate, chinky and at length areolate, black hypothallus not often 

 visible. Apothecia 0.4-0.8 mm. in diameter, adnate to sessile or rarely 

 slightly immersed ; disk black or sometimes brownish black, flat to convex, 

 finally turgid, the thin, entire, or flexuous proper margin rarely disappear- 

 ing; hypothecium brownish black; paraphyses slender coherent, asci 

 8-spored; spores brown, oblong-ellipsoid, 1-septate, 16.0-24.0 x 7.5-11.0 jx. 



On trees, old wood, moss or thin layer of soil : Pacific Co. : Chinook, 

 1931, 800; Long Beach, 1940, 2761. Island Co.: Whidbey Island, 1931, 

 1768. Kittitas Co.: South Cle Elum, 3000 ft., 1931, 880. Yakima Co.: 

 Rattlesnake Canyon, 2000 ft., 1931, 1537. Grays Harbor Co. : Pacific Beach, 

 1910, Foster 1418 (F). Thurston Co.: Gate, 1912, Foster 1988 (W). 

 King Co.: Seattle, University of Washington campus, 1904, Frye (W). 

 Ferry Co. : Republic, 1912, Foster 2299 (F). 



A common Buellia, widely distributed in the state. 



2. Buellia papiUata (Somrft.) Tuck. Lich. Calif. 26. 1866. 

 Lecidea papillata Somrft. Suppl. Fl. Lapp. 154. 1826. 

 Buelliopsis papillata (Somrft.) Fink, 



Thallus white or grayish white, crustose, minutely granulose, forming 

 a thin to finally thick crust, becoming rough and warty, often crumbling. 

 Apothecia 0.3-1.0 mm. in diameter, adnate, often clustered and confluent; 

 disk black, flat to convex, tuberculate ; proper margin thin and soon dis- 

 appearing ; hypothecium brown ; paraphyses distant ; asci 8-spored ; spores 

 brown, ellipsoid or subfusiform, 1-3-septate, usually 1-septate, 19.8-30.0 x 

 9.6-12.0 IX. 



On mosses and soil: Yakima Co.: Deadhorse Hill, 4000 ft., 1931, 567. 

 Lincoln Co. : Davenport, 2450 ft., 1931, 1506. Olympic Mountains, Steeple 

 Peak, 5500 ft., A. H. Smith 2325 (M). Ferry Co.: Republic, 1912, Foster 

 2299 (F). 



3. Buellia punctata (Hoffm.) Mass. Ricerch. Auton. Lich. 81. 1852. 

 Verrucaria punctata Hofifm. Deutschl. Fl. 192. 1796. 



Buellia myriocarpa (DC.) De Not. 



Thallus olive-gray (R) or olive-brown (R), crustose, thin, scurfy, finally 

 forming a rough warty, fissured crust, at times disappearing entirely. Apo- 

 thecia 0.2-0.5 mm. in diameter, adnate ; disk black, flat to convex ; proper 

 margin paler than the disk, thin and disappearing; hypothecium dark 

 brown ; paraphyses free, rather slender, tips ellipsoid or oblong ; asci 

 8-spored; spores brown, ellipsoid, 1-septate, 10.0-16.4 x 4.0-6.1 fx. 



On trees, old wood, and rocks : San Juan Co. : Turn Island, 1928, 2098; 

 Brown Island, 1906, Fink 59 (W). Washington Territory, 1882, Suksdorj. 

 198 (S). 



