LICHENS OF THE STATE OF WASHINGTON 87 



Foster 2605y2 (W). San Juan Co. : San Juan Island, Friday Harbor, 1906, 

 Fink (W). Clallam Co.: Lake Crescent, Storm King Mountain, 3800 ft., 

 193S, A. H.Smith 11130 (F). 



This is an abundant Cladonia west of the Cascades ; rather easily recog- 

 nized by the cupless, corticate podetia, and the small brown disked apo- 

 thecia borne on the tips of the branched podetia. 



19. Cladonia jurcata var. pinnata (Flk.) Wainio, Mongr. Clad. Univ. 

 1 :332. 1887. 



Cenomyce racemosa var. pinnata Flk. in Schleich. Cat. PI. Helv. 47. 

 1821. 



Podetia abundantly covered with crenate to incised squamules, other- 

 wise like the species. 



On soil or decaying wood: Pacific Co.: Chinook, 1931, 802. Clallam 

 Co.: Lake Sutherland, 590 ft., 1931, 1012. San Juan Co.: San Juan Island, 

 Pt. Caution, 1931, 2070. King Co. : Richmond Highlands, 300 ft., 1931, 

 578; Edgewood, 300 ft., 1931, 1826. Pierce Co.: Silver Springs, 2670 ft., 

 1931, 1119. San Juan Co.: Orcas Island, 1906, Fink 135 (W). Clallam 

 Co.: Lake Crescent, Storm King Mountain, 3000 ft., 1935, A. H. Smith 

 2223 (F). 



Zahlbruckner, Sandstede, Evans, and Fink all recognize other varieties 

 and forms of Cladonia jurcata (Huds.) Schrad. However, I will follow my 

 policy established in the treatment of the Cladonias, and not divide the 

 species Cladonia jurcata any further. 



20. Cladonia gracilis (L.) Willd. Fl. Berol. Prodro. 363. 1787. 

 Lichen gracilis Linn. Sp. PI. 1152. 1753. 



Primary thallus persistent or sometimes disappearing, greenish gray or 

 olive-buff (R), consisting of medium sized, rather broad, crenate margined 

 squamules, fiat to ascending, underside white or creamy. Podetia gray, 

 grayish olive (R), brownish olive (R), or reddish brown, in clusters, but 

 not entangled, erect or ascending, cylindrical, simple or branched, some- 

 times dying at the base, cortex is often continuous, at times consisting of 

 contiguous or scattered areoles ; cups are commonly present, shallow, vary- 

 ing in width, margins are dentate or proliferate, rarely proliferating from 

 the center, often proliferations are cup bearing, or cups are entirely absent, 

 replaced by subulate tips. Apothecia sessile or with a short stalk on the 

 margin of the cup, often confluent ; disk pale or dark brown. KOH-f for 

 some specimens, — for other specimens; P-f-, bright orange pink. 



On soil, among mosses, or on decaying wood: This species not col- 

 lected bv the writer. San Juan Co.: San Juan Island, Friday Harbor, 

 1906, Fink 65 (W). Clallam Co.: Elwha River above upper bridge, 1914, 

 Foster 2771 (W) ; this specimen determined as CI. gracilis var. cordalis. 

 Port Angeles, Bird's, 1800 ft., 1914, Foster 2607 (F). 



The smooth continuous cortex on the podetia, lack of soredia, and often 



