LICHENS OF THE STATE OF WASHINGTON 69 



Thallus of grayish white, crumb-like or powdery granules, or of brown 

 to greenish black, small, thick, crowded squamules, Apothecium circular, 

 often irregular, usually clustered, 0.5-1.5 mm. in diameter, adnate; disk 

 black, flat to convex, proper margin black, thin, soon disappearing ; hypo- 

 thecium pale brown ; paraphyses violet, free, globose tipped ; spores hyaline, 

 fusiform with obtuse ends, 3-septate, 18-29 x 3-5 jn. 



On rocks, also on mosses growing over rocks : Klickitat Co. : Bickle- 

 ton, 3200 ft., 1931, 1641. 



2. Toninia caulescens Anzi Cat. Lich, Sondr. 67. 1860. 

 Lecidea caulescens (Anzi) Tuck. Gen. Lich. 182. 1872. 

 Lecidea squalida var. caulescens (Anzi) Nyl. 



Thallus of tawny-brown or greenish brown, turgid, convolute, crowded 

 and imbricated squamules, the squamules often extending downward in 

 pale, brownish stems. Apothecia circular or lobulate, 0.5-2.0 mm. in diam- 

 eter, sessile; disk black, papillate, concave; proper margin black, con- 

 spicuous, turgid, undulate ; hypothecium bright reddish brown ; paraphyses 

 free, with brownish knob-like tips; spores hyaline, acicular or narrowly 

 fusiform, 3-many-septate, 25-40 x 3-5 fi. 



On soil and rocks: Klickitat Co.: Bickleton, 3200 ft., 1931, 1641a. 

 Washington Territory, Cascade Mountains, 1883, Brandegee 7 (S). 

 Klickitat Co.: Goldendale, 1909, Foster 1627 (F). 



3. Toninia ruginosa (Tuck.) Herre, Proc. Wash. Acad. Sci. 12:103. 1910. 

 Lecidea ruginosa Tuck. Lich. Calif. 25. 1866. 



Thallus of green or tawny brown, crowded, round, turgid, glebous, 

 rough, wavy, folded, finally reticulated, rarely perforate squamules. Apo- 

 thecia circular, undulate, somewhat irregular, 0.5-3.0 mm. in diameter; 

 disk dull black, flat to slightly convex ; proper margin black, thick, flexu- 

 ous, finally disappearing ; hypothecium brownish ; paraphyses free or 

 loosely coherent, with thickened brownish tips; spores hyaline, acicular, 

 3-many-septate, 23.1-35.0 x 3.5-4.0 fi. 



On rocks, also moss and soil : Chelan Co. : Rainbow Trail, 3500 ft., 

 1931, 1261. Washington Territory, Suksdorf 226 (S). 



4. Toninia squarrosa (Ach.) Th. Fr. Lich. Scand. 1 :331. 1874. 

 Lecidea atrorufa var. squarrosa Ach. Kgl. Vet.-Akad. Nya Handl. 267. 

 1808. 



Lecidea squalida Ach. 



Thallus of citrine-drab (R), brown, or black, small, thick, appressed, 

 imbricated, somewhat lobed, rugose-plicate squamules. Apothecia sub- 

 globose, sometimes irregular, numerous, often confluent, 0.8-2.0 mm. in 

 diameter, subsessile; disk black, flat to convex; proper margin thin, soon 

 disappearing ; hypothecium very pale yellow ; paraphyses coherent, with 





