120 LICHENS OF THE STATE OF WASHINGTON 



lacinate-lobate, deeply lobed, bearing one large or several small brownish 

 cephalodia and white soredia ; yellow with KOH, red with CaOClg, closely 

 attached to the substratum by hyphal rhizoids. Apothecia yellow, pinkish 

 buff (R), fawn color (R), or brown, circular, 0.8-12.0 mm. in diameter, 

 adnate; disk fawn color (R), often blackening, concave to flat; thalline 

 margin concolorous with the thallus, thick, persistent ; asci 8-spored ; spores 

 hyaline, ellipsoid, nonseptate, 14.0-20.0 x 6.0-11,0 /*. 



On rock: Clallam Co.: Lake Crescent, 483 ft., 1931, 1037. San Juan 

 Co.: Orcas Island, Mt. Constitution, 2500 ft., 1931, 2032. Clallam Co.: 

 Lake Crescent, Storm King Mountain, 3500 ft., 1935, A. H. Smith 2251 

 (F). King Co. : Summit, 1907, Foster 649 (F). 



A very distinctive Lecanora that is easily recognized by the large clus- 

 ters of cephalodia and abundant soredia, 



47. Ochrolechia Mass. Ricerch. Auton. Lich. 30. 1852. 



Thallus uniformly crustose, areolate, smooth, warty to rarely minutely 

 fruticose, sometimes sorediate, upper cortex thin or wanting, lower entirely 

 absent, algal layer and medulla distinct. Apothecia circular, medium sized 

 or rather large, immersed, adnate to sessile ; proper margin absent, thalline 

 margin present, usually concolorous with the thallus, somewhat irregular 

 in shape; hypothecium hyaline; paraphyses branched and entangled; asci 

 2-8-spored, spores large, hyaline, ellipsoid or ovoid. 



Alga Protococcus. 



A. Thallus red with CaOClg, coralloid branched, disk naked 1. 0. tartar ea 



A. Thallus not red with CaOClj, not coralloid branched, disk pruinose. 



2, O, upsaliensis 



1. Ochrolechia tartarea (L.) Mass. Ricerch. Auton. Lich. 30. 1852. 

 Lichen tartareus Linn. Sp, PI. 1141, 1753. 

 Lecanora tartarea (L.) Ach. 



Thallus grayish white or rarely shades of brown, tartareous, wide 

 spread, consisting of granules or warts, at times with coralloid branches; 

 yellow then pink with KOH and red with CaOCL, Apothecia medium or 

 large, circular, 1.0-3.0 mm, in diameter, crowded and often twisted out of 

 the normal shape, adnate to sessile; disk wood brown (R), pale yellow, or 

 brick color, slightly granular, somewhat wrinkled, concave to flat ; thalline 

 margin thick, concolorous with the thallus, corrugate and flexuous ; asci 

 2-8-spored; spores hyaline, very large, ellipsoid-oblong, nonseptate, 

 30.0-62.7 X 26.4-33.0 /.. 



On bark and rocks, rarely on soil : Pacific Co. : Loomis Lake, 1930, 

 432. San Juan Co. : San Juan Island, 1928, 2028; Trout Lake, 1940, 3226. 

 Kitsap Co. : Hidden Ranch near Bremerton, 213 ft., 1930, 533; 1940, 3292. 

 King-Kittitas Co.: Snoqualmie Pass, 3010 ft., 1931, 826. Pierce Co.: Mt. 

 Rainier, Summerland Park, 6500 ft., 1931, 689; Van Trump Park, 5200 

 ft., 1942, 3609. Yakima Co. : Lodge Pole Pine Camp, 3500 ft., 1940, 3310; 



