164 LICHENS OF THE STATE OF WASHINGTON 



Co.: Roslyn, 2800 ft., 1931, 1793. Chelan Co.: Rainbow Trail, 3500 ft., 

 1931, 1262. Stevens Co.: Boyd's, 1470 ft., 1931, 1451. Grays Harbor Co.: 

 Pacific Co.: 1910, Foster (F). Wahkiakum Co.: Cathlamet, 1907, 

 Foster 505 (F). Washington Territory, West Klickitat Co.: 1882, Comm. 

 Sprague, collector not given, 558 (F). Spokane Co.: 1900, R. K. 

 Beat tie (F). 



3. Caloplaca citrina (Hofifm.) Th. Fr. Nova Reg. Soc. Sci. Upsal. ser 3, 



3:218. 1861. 

 Verrucaria citrina Hoffm. Deutschl. Fl. 198, 1795. 

 Plac odium citrinum (Hoffm.) Hepp. 



Thallus lemon yellow (R), crustose becoming granulose, scattered or 

 compacted into a subareolate crust. Apothecia 0.2-0.5 mm. in diameter, 

 adnate; disk flat, wax yellow (R) or ochraceous-orange (R) ; proper 

 margin thin, often disappearing, thalline margin depressed, somewhat 

 granulose; spores hyaline, ellipsoid, rather broad in the middle, polar- 

 bilocular, 9.9-14.0 x 4.9-6.6 /x. Epithecium dull red with KOH, color 

 change of thallus is very slight with KOH. 



On rock, rarely on bark or old wood : Clallam Co. : Lake Sutherland, 

 590 ft, 1931, 1019. 



4. Caloplaca ferriiginea (Huds.) Th. Fr. Nova Acta Reg. Soc. Sci. Upsal. 



ser. 3, 3:223. 1861. 

 Lichen jerriigineus Huds. Fl. Angl. 444. 1762. 

 Placodium jerrugineum (Huds.) Rabh. 

 Blastenia ferruginea (Huds.) Mass. 



Thallus grayish-white, crustose, disappearing at times, thin and smooth, 

 or thicker and areolate, or wrinkled and verrucose. Apothecia 0.2-1.0 mm. 

 in diameter, adnate to sessile; disk ferruginous (R), rusty-red, hazel (R), 

 or black, flat to convex ; proper margin prominent, thalline margin dis- 

 appearing; spores hyaline, broadly ellipsoid, polar-bilocular, 11.0-19.0 x 

 7.0-9.0 fl. Epithecium purple with KOH, thallus faintly purple with KOH. 



On trees, old wood, and rocks : Klickitat Co. : Bickleton, Spring Can- 

 yon, 2500 ft., 1931, 1656. Clallam Co.: Lake Crescent, A. H. Smith 13832 

 (M). San Juan Co. : Brown Island, 1906, Fink 470 (W). Snohomish Co. : 

 Marysville, 1928, /. M. Grant (F), Det. Magnusson. King Co.: Alki 

 Point, 1912, Foster 2182 (F). Clark Co. : Vancouver, 1881, Suksdorf (F). 



5. Caloplaca jungermanniae (Vahl.) Th. Fr. Nova Acta Reg. Soc. Sci. 



Upsal. 3. 3:221. 1861. 

 Lichen jungermanniae Vahl. Nat. Selak. Skr. 2. 29. 1792. 

 Placodium jungermanniae (Vahl.) Tuck. 



Thallus grayish-white, granulose, or subsquamulose, very thin, en- 

 crusting mosses or other lichens. Apothecia numerous, crowded, 0.2-1.2 

 mm. in diameter, sessile; disk ochraceous-orange (R) or brownish, sub- 



