LICHENS OF THE STATE OF WASHINGTON 167 



thalline margin present ; hypothecium hyaline ; paraphyses forked near the 

 clavate tip, separate, septate ; asci 8-spored ; spores hyaline, polar-bilocular. 



A. Thallus loosely attached, margins ascending, granulose-powdery. 



B. Apothecia abundant; thallus small 3. X. candelaria var. pygmaea 



B. Apothecia not abundant; thallus larger. 



C. Lobes much lacero-dissected, bearing numerous fibrils. 



2. X. candelaria var. laciniosa 

 C. Lobes slightly lacero-dissected, not bearing numerous fibrils, 



margins crenate 1. X- candelaria 



A. Thallus closely attached, margins not ascending, not 



granulose-powdery 4. X. poly car pa 



1. Xanthoria candelaria (L.) Kickx. Fl. Crypt. Flandres. 1 :229. 1867. 

 Lichen candelaria Linn. Sp. PI. 1141, 1753. 



TeloscJiistes candelarius (L.) Fink. 

 TheloscJiisfes lychneus (Ach.) Tuck. 



Thallus apricot yellow (R) or apricot orange (R), foliose, medium 

 sized, substellate or effuse, sometimes forming a thick powdery crust, usu- 

 ally composed of rather broad, deeply cut, branched lobes, which are more 

 or less imbricated, appressed to somewhat ascending, margins granulose or 

 powdery ; below yellow to almost white, bearing concolorous rhizoids, and 

 marginal fibrils. Apothecia rather rare, 0.5-3.0 mm. in diameter, subsessile 

 to sessile; disk orange, concave to flat; thalline margin thin, crenate or 

 granulose; spores hyaline, broadly ellipsoid, polar-bilocular, 11.0-16.0 x 

 6.6-8.0 jLi. Epithecium pinkish or purple with KOH. 



On trees, wood, and rocks : Pacific Co. : North Head, 211 ft., 1903, 458. 

 San Juan Co.: Brown Island, 1940, 3196. Wahkiakum Co.: Cathlamet, 

 1940, 3349. Lewis Co. : ChehaHs, 1930, 415. Kitsap Co. : Hidden Ranch 

 near Bremerton, 213 ft., 1930, 531. King Co.: Edgewood, 300 ft., 1931, 

 1802. Kittitas Co.: Easton, 2168 ft., 1931, 832. Yakima Co.: Rattlesnake 

 Canyon, 2000 ft., 1931, 1532. Klickitat Co.: Goldendale, 2000 ft., 1931, 

 1685a. Chelan Co. : butte near Chelan, 2000 ft., 1931, 1331. Ferry Co. : Mt. 

 Gibraltar, 3100 ft., 1940, 3152. Garfield Co. : Pomeroy, 1500 ft., 1940, 2739. 

 San Juan Co.: San Juan Island, Friday Harbor, 1905, Frye (W). Island 

 Co. : Whidbey Island, Langley, 1924, /. M. Grant (F). Ferry Co. : Repub- 

 lic, 1912, Foster 2323 (F). Walla Walla Co.: Wallula, 1906, Foster 299 

 (F). Spokane Co. : Spokane, 1906, T. A. Bonser 18 (F). 



A common lichen widely distributed over the state. 



2. Xanthoria candelaria var. laciniosa (Duf.) Arn. Flora 67:244. 1884. 

 Parmelia parietina var. lacinosa Duf. in Schaer, Enum. Critic. Lich. 



Eur. 51. 1850. 

 Teloschistes candelaria var. laciniosus (Duf.) Fink, 

 Theloschistes lychneus f. laciniosa Tuck. 



