LICHENS OF THE STATE OF WASHINGTON 15 



5. Calicium Pers. Neue Ann. Bot. 1 :20. 1794. 



Thallus smooth to granular or pulverulent, sometimes evanescent. 

 Apothecia blackish to black, often slightly pruinose ; stipes well developed ; 

 proper margin present ; hypothecium brown ; paraphyses slender, thread- 

 like; asci 8-spored; spores pale brown, 1 -septate, slightly constricted at 

 the septum. 



Alga Cystococcus. 



1. Calicium hyperellum Ach., Meth. Lich. 93. 1803. Lichen hyperellus 

 Ach. Lich. Suec. Prodro. 85, 1798. 



Thallus clear dull green yellow (R), granular or pulverulent, well 

 developed and effuse, or thin and scattered. Apothecia brown to black, 

 globose, lentiform or top-shaped, 0.1-0.2 mm. across, supported by a firm 

 elongated stalk ; disk convex to flat ; proper margin brownish black ; spores 

 pale brown, oblong-ellipsoid, 1-septate, 6.9-13.2 x 4.0-6.6 fi. 



On bark and decorticated wood : San Juan Co. : Brown Island, 1940, 

 3255. Yakima Co.: Rattlesnake Canyon, 2000 ft., 1931, 1541. Whatcom 

 Co.: 1913, Herre 405 (F). West Klickitat Co.: Columbia River, 1882, 

 Herb, of C. B. Faxon (F). Ferry Co. : Republic 1912, Foster 2301 (F). 



4. CYPHELIACEAE 



Thallus uniformly crustose to radiately lobed at the margin, sometimes 

 partly within the substratum, often rudimentary, with no differentiation 

 into layers. Apothecia spherical to globose, adnate to sessile, both proper 

 and thalline margins present or with only a thalline margin ; asci 8-to-many- 

 spored ; spores light-colored or brown, non-to-3-septate. 



Alga Protococciis or Trentepohlia. 



6. Cyphelium Ach. Vet. Akad. Handl. 263. 1815. 



Thallus smooth to granulous, warty or areolate, margin sometimes 

 lobed. Apothecia immersed in the thallus, or wholly or partly superficial; 

 thalline margin present and sometimes a proper one within the substratum ; 

 stalk very short or wanting ; hypothecium brown ; paraphyses thread-like 

 and sparse; asci 8-spored; spores brown, normally 1-septate, rarely non- 

 septate or 3-septate, usually constricted at the septa. 



Alga Protococcus. 



1. Cyphelium inquinans (J. E. Smith) Trevis. Flora 45:4. 1862. Lichen 

 inquinans Smith in Sowerby Eng. Bot. 12: tab. 801. 1801. 



Thallus gray or grayish-olive (R), granulose or warty, well developed 

 or thin and scattered. Apothecia usually elevated, semi-globose ; stalk very 

 short, scattered, 0.5-1.2 mm. in diameter; disk dull black, sometimes faintly 

 white pruinose, flat; proper margin brown, thin, surrounded by a darker 

 brown, white pruinose thalline margin, sometimes disappearing with age ; 

 spores brown, oblong, 1-septate, 13.2-20.0 x 7.3-13 u- 



