LICHENS OF THE STATE OF WASHINGTON 11 



short branches, terminating in blunt points. Apothecia small ; disk red- 

 dish-brown. At present the only known species in this subgenus is 

 CI. papillaria. So far as the writer knows it has never been found in the 

 state. 



Subgenus III. Cenomyce (Ach.) Th. Fr. — Primary thallus squamulose or 

 foliose, persistent, or sometimes disappearing. Podetia branched or 

 unbranched, never very intricately branched. Apothecia usually present, 

 sometimes lacking; disk scarlet or various shades of brown. 



Section 1. Cocciferae Del. 



Disk of apothecia scarlet, or rarely flesh-color (R), orange or pale 

 yellowish brown. 



A. Podetia cylindrical, cupless. 



B. Podetia short and stout, usually decorticate, farinose-sorediate, 



KOH-f, P+ 23. CI. macilenta 



B. Podetia rather slender, usually decorticate, farinose-sorediate, 



KOH— , P— 5. CI. hacillaris 



A, Podetia cup-bearing. 



C. Podetia short, not often more than 2 cm. long. 



D. Podetia powdery sorediate, KOH-1-, P+ 15. CI. digitata 



D. Podetia not sorediate, KOH — , P — 11. CI. coccifera 



C. Podetia long and narrow, more than 2 cm. long. 



E. Podetia corticate, densely squamulose, sparingly sorediate, 



KOH—, P— 6. CL bellidiflora 



E. Podetia partly decorticate, sparingly squamulose, abundantly 

 sorediate. 

 F. Podetia slender, granular sorediate, KOH-f , F-\-. 



26. CI. polydactyla 



F. Podetia stouter, yellowish green, farinose-sorediate. KOH — , 



P — 14. CI. deformis 



Section 2. Ochrophaeae Wainio 



Disk of apothecia pale or dark shades of brown. 



A. Primary thallus always present, squamules large and foliose, sometimes 



bearing black fibrils on the margins. KOH — , P-f 17, CI. foliacea 



A. Primary thallus not always present, squamules small to medium sized. 

 B. Podetia without cups. 



C. Cortex smooth and continuous or nearly so. 



D. Podetia yellowish green or dark olive (R), rather short, very 



brittle, when dry, KOH — , P — 32. CI. uncialis 



D. Podetia greenish gray, reddish brown, or brownish olive (R), 

 elongated, not noticeably brittle when dry. 



E. Sparingly squamulose, KOH — , P-f 18. CI. furcata 



E. Squamulose only towards the base, KOH-f, bright yellow 

 turning pinkish red, P-|- 30. CI. subsquamosa 



