64 LICHENS OF THE STATE OF WASHINGTON 



On burned or old wood. Washington Territory, 1882, Suksdorf 

 170 (T). 



34. Lecidea rubiformis Wahl. Fl. Lapp. 479. 1812. 

 Baeomyces rubiformis Wahl. in Ach. Meth. Lich. 324. 1803. 

 Biatora globifera var. rubiformis (Wahl.) Torss. 



Psora rubiformis (Wahl.) Hook. 



Thallus fawn colored (R) or brown, squamulose, squamules very thick, 

 smooth, ascending, imbricated, shallow lobed, edges crenate, white; below 

 white. Apothecia circular, clustered often confluent, 0.7-1.0 mm. in diam- 

 eter, sessile ; disk black or purplish black, convex to globose ; proper margin 

 thin, disappearing; hypothecium pale brownish; paraphyses coherent, tips 

 reddish brown ; asci 8-spored ; spores hyaline, oblong-ellipsoid, nonseptate, 

 11.4-16.0 X 5.0-7.6 IX. 



On rock or soil : Chelan Co. : Chelan, 2000 ft., 1931, 1324. Stevens Co. : 

 Boyds, 1470 ft., 1931, 1442. Ferry Co.: Republic, Maye's Butte, 1913, 

 Foster 2366 (F). Washington Territory, 1882, Suksdorf 170 (T). 



35. Lecidea Russellii Tuck. Proc. Am. Acad. Arts and Sci. 5 :417. 1862. 

 Biatora Russellii Tuck. Lich. Calif. 23. 1866. 



Psora Russellii (Tuck.) Schneid. 



Thallus whitish, bright reddish tawny, dull or reddish brown, squamu- 

 lose, squamules ample, thick, round, somewhat irregular in shape, ap- 

 pressed, margins ascendant, undulate, often furrowed, scattered, or 

 crowded, edges white; below white. Apothecia circular, 0.4-1.2 mm. in 

 diameter, adnate to sessile; disk reddish brown, convex; proper margin 

 lighter in color, obtuse, disappearing; hypothecium yellowish or pale 

 brown ; paraphyses coherent ; asci 8-spored ; spores hyaline, ellipsoid, non- 

 septate, 9.0-13.0 X 4.6-6.0 fx. 



On rock: Washington Territory, Cascade Mountains, 1883, Brande- 

 gee 65 (F). 



32. Mycoblastus Norm. Nyt. Mag. Nat. 7 :24. 1852. 



Thallus uniformly crustose, smooth or rather wrinkled and warty, no 

 differentiation into definite layers. Apothecia circular, adnate to sessile, with 

 a proper margin; hypothecium hyaline; paraphyses coherent, branched 

 or unbranched; asci 1-2-spored; spores very large, hyaline, nonseptate. 



Alga Protococcus. 



A. Medulla blood red beneath the apothecia 2. M. sanguinarius 



A. Medulla not blood red beneath the apothecia 1. M. alpinus 



1. Mycoblastus alpinus (Fr.) Kernst. in Kerner, Schedae ad Fl. Austr- 

 Hung. 6:121. 1893. 



Lecidea sanguinaria var. alpinus Fr. Lich. Europ. Reform. 335. 1831. 

 Heterothecium sanguinarium f. ajfine (Schaer.) Tuck. 

 Mycoblastus sanguinarius var. alpinus (Fries.) Stein. 



