LICHENS OF THE STATE OF WASHINGTON 123 



medium to large, 1.0-4.0 mm. in diameter, adnate; disk blood red, haema- 

 tite red (R), naked, epithecium deep purple; blue with KOH, flat to 

 convex; thalline margin concolorous with the thallus, rough, crenate, thin 

 and soon disappearing; spores hyaline, needle shaped, curved, 3-7-septate, 

 33.0-50.0 X 3.0-5.0 (jl. 



On rock: Fink (1935) reports it from Washington on rocks and trees. 



51. Candelariella Miill. Arg. in Bull. Herb. Boiss. 2 :app. 1. 11, 47. 1894. 



Thallus uniformly crustose or squamulose, granular or warty, some- 

 times with lobed margin, no definite division into layers ; no color change 

 with KOH or CaOCU. Apothecia circular, sessile, yellow ; no color change 

 with KOH ; proper margin lacking ; thalline margin well developed ; hypo- 

 thecium hyaline; paraphyses unbranched, distinct, nonseptate or septate 

 towards the tips and jointed, asci 8-many-spored, spores hyaline, oblong or 

 ellipsoid, nonseptate, or 1 -septate. 



Alga Protococcus. 



A. Thallus granulose, sometimes disappearing 1. C. aurella 



A. Thallus usually squamulose, continued or scattered, never disappearing. 



2. C. vitellina 



1. Candelariella aurella (Hoffm.) Zahlbr. Cat. Lich. Univ. 5:790. 1928. 

 Verrucaria aurella Hoffm. Deutschl. Fl. 197. 1796. 



Placodium vitellinum var. aurelluni (Hoffm.) Tuck. 

 Candelariella cerinella Zahlbr. 



Thallus dark gray, greenish brown, or black, inconspicuous, tartareous, 

 granulose, often scattered, sometimes disappearing. Apothecia 0.5-0.8 mm. 

 in diameter, adnate to sessile; disk greenish yellow or olivaceous, flat to 

 convex, thalline margin thin, entire, to slightly granulose-crenate ; asci more 

 than 8-spored; spores hyaline, ellipsoid, nonseptate, or 1-septate, 13.2-16.5 

 X 3.6-4.9 /x. 



On rock, old wood, or soil: Chelan Co.: Zena, 800 ft., 1931, 1107a. 

 Klickitat Co.: Goldendale, 3000 ft., 1931, 1701. Ferry Co.: Republic, 

 Maye's Butte, 1913, Foster 2388 (F). 



2. Candelariella vitellina (Ehrh.) Mull. Arg. in Bull. Herb. Boiss. 2: app. 

 1. 47. 1894. 



Lichen vitellinus Ehrh. PI. Crypt. Exsicc. No. 155. 1785. 

 Placodium vitellinum (Ehrh.) Hepp. 



Thallus bright yellow or greenish gray, usually squamulose, squamules 

 continuous or scattered, crenate lobed, rather small, sometimes granulose, 

 granules often heaped and crowded. Apothecia 0.5-1.2 mm. in diameter, 

 sessile ; disk yellow, tawny yellow, or olivaceous, flat ; thalline margin con- 

 colorous with the thallus, granulate-crenate ; asci 12-32-spored, rarely 

 8-spored; spores hyaline, ellipsoid, nonseptate or 1-septate, 9.9-16.5 x 

 3.6-5.9 fl. 



