LICHENS OF THE STATE OF WASHINGTON 61 



On old wood: Thurston Co.: Gate, 1912, Foster 1987 (F). Herre 

 (1943) reports this species as formerly common on old timbers at Bel- 

 lingham. 



25. Lecidea paddensis (Tuck.) Zahlbr. Cat. Lich. Univers. 2:808. 1925. 

 Biatora paddensis Tuck. Syn. N. Am. Lich. 2 :25. 1888. 



Thallus yellowish white or greenish gray, granulose, granules flat and 

 tough, scattered. Apothecia circular, 0.4-1.0 mm. in diameter, sessile; disk 

 pale tawny, reddish brown, or black, flat to convex; proper margin con- 

 colorous, flexuous, and finally disappearing; hypothecium hyaline; para- 

 physes conglutinated ; asci 8-spored ; spores hyaline, globose to ovoid, non- 

 septate, 6.6-9.9 X 4.9-5.3 fx. 



On old wood or bark: Spokane Co.: Mt. Spokane, 5808 ft., 1931, 

 1490a. Washington Territory, Mt. Paddo, 1883, Suksdorf 164, type 

 specimen (T). 



26. Lecidea protabacina Nyl. in Hasse, Bull. S. Calif. Acad. 2:60. 1903. 



Thallus yellow, purplish red, or fawn color (R), squamulose, squamules 

 turgid, convex, smooth, shiny, round to angular, edges black, crowded, 

 sometimes scattered, occasionally fissured, on a black hypothallus ; under- 

 side black. Apothecia circular, 0.4-1.5 mm. in diameter, single or grouped, 

 sessile; disk black, shiny, becoming convex; proper margin blackish, thin, 

 gradually disappearing; hypothecium dark brown; paraphyses closely co- 

 herent; asci 8-spored; spores hyaline, oblong-ellipsoid, nonseptate, 10.0- 

 12.0 X 4.0-5.0 fji. Medulla blue with IKI. 



On rock : I have seen no specimen of this species from the state. Fink 

 (1935) reports it from Washington. 



27. Lecidea tornoensis Nyl. and Saelan, Herb. Mus. Fenn. 1859. 

 Biatora tornoensis (Nyl. and Saelan) Th. Fr. Nov. Act. Reg. Soc. Sci. 

 Upsal. ser. 3, 3 :196. 1860. 



Thallus chocolate, tawny, or olive green, granulose, granules flat, 

 crowded often forming an areolate-rimose crust. Apothecia circular, 0.4-1.0 

 mm. in diameter, adnate; disk reddish brown or black, convex, becoming 

 tuberculate; proper margin evanescent; hypothecium hyaline or pale yel- 

 low ; paraphyses coherent, tips dark brown, enlarged ; asci 8-spored ; spores 

 hyaline, broadly ellipsoid, wall thick, sometimes in two layers, nonseptate, 

 17.0-23.0 X 10.0 fx. 



On bark or old wood: Washington Territory, Suksdorf 102 (T), 

 50 (S). 



The rather large thick walled spores distinguish this species. 



28. Lecidea varians Ach. Syn. Meth. Lich. 38. 1814. 

 Biatora varians (Ach.) Eschw. Syst. Lich. 26. 1824. 



Thallus grayish white, grayish green, or yellowish green, granulose, 



