92 LICHENS OF THE STATE OF WASHINGTON 



On soil, on thin layer of soil over rock, or on decaying wood: Pacific 

 Co.: Ovsterville, 1931, 761. San Juan Co.: San Juan Island, Friday Har- 

 bor, 1928, 1970. Kitsap Co. : Hidden Ranch, near Bremerton, 213 ft., 1931, 

 1756. King Co. : Chase Bog, 300 ft., 1940, 3345; Edgewood, 300 ft., 1940, 

 3080. San Juan Co.: Blakely Island, 1906, Fink 217 (W). Whatcom Co.: 

 near Glacier, 1914, Foster (W). King Co.: Seattle, Ballard Beach, 1913, 

 Foster (W). Clallam Co. : Lake Crescent, 1935, A. H. Smith 2256 (F). 



A common species west of the Cascades; any part of this Cladonia 

 when treated with KOH turns yellow and then pinkish red ; this striking 

 color change, combined with the abundant squamules on the podetia, make 

 this an easy species to recognize. 



31. Cladonia subsquamosa f. luxurians Nyl. in Leight. Not. Lichenol. 

 11:407. 1866. 



Podetia luxuriantly squamulose throughout their entire length. Apo- 

 thecia abundant; disk pinkish brown or fawn color (R) ; otherwise like the 

 species. 



On soil or decaying wood: King Co.: Edgewood, 300 ft., 1931, 1801. 

 Clallam Co.: Port Angeles, Bird's, 1914, Foster 2606a (W), Foster 2606 

 (F). 



32. Cladonia uncialis (L.) Web. in Wiggers, Prim, Fl, Hols. 90, No, 995, 

 1780, 



Lichen uncialis Linn, Sp, PI. 1153. 1753. 



Primary thallus greenish gray or yellowish green, consisting of small 

 to medium sized squamules, brittle, soon disappearing, seldom seen. Podetia 

 straw yellow (R), yellowish green, or dark olive-buff (R), cyhndrical, 

 dilated, dichotomously or radiately branched, sometimes fastigiated, 

 crowded and irregularly clustered, forming large masses, often dying at the 

 base, tips often dilated, normally sharp-pointed, may be rounded or trun- 

 cate, axils often open, cortex continuous smooth and shiny or areolate, no 

 squamules; cupless, Apothecia small, solitary or clustered on tips of short 

 branches ; disk brown. KOH — , P — , no color changes with either. 



On soil: San Juan Co.: San Juan Island, Friday Harbor, 1928, 1954; 

 Trout Lake, 1940, 3223; Orcas Island, Mt. Constitution, 2500 ft., 1928, 

 2076; Brown Island, 1906, Fink 107 (W) ; Orcas Island, Mt. Constitution, 

 2500 ft., 1906, Fink 313 (W), Clallam Co,: Lake Crescent, Storm King 

 Mountain, 4000 ft., 1935, A. H. Smith 2215 (F), 



This species is easily identified by the very brittle, much branched 

 podetia, bearing very small apothecia on the tips and the early disappear- 

 ance of the primary thallus. Both in the field and in the herbarium, the 

 podetia are often found broken into pieces. 



33. Cladonia verticillata Hoffm. Fl. 2:122. 1795. 



Primary thallus usually persistent, greenish gray or brown, consisting 

 of medium sized or larger crenate or incised-lobate squamviles, ascending. 



