58 LICHENS OF THE STATE OF WASHINGTON 



15. Lecidea parasema Ach. Meth. Lich. 35. 1803. 

 Lichen parasemus Ach. Lich. Suec. Prodro. 64. 1798. 

 Lecidea enteroleuca Ach. 



Thallus gray, dark olive-buff (R), greenish gray, or yellowish gray, thin 

 and rather smooth, contiguous, becoming areolate, areoles minute, warty, 

 sometimes granulose. Apothecia circular, 0.5-1.5 mm. in diameter, adnate; 

 disk black, flat to somewhat convex; proper margin black, prominent, 

 entire, becoming flexuous, finally disappearing ; hypothecium rarely hyaline, 

 usually brown; paraphyses free, with enlarged bluish black tips; asci 

 8-spored ; spores hyaline, ovoid-ellipsoid, nonseptate, 8.0-16.0 x 6.6-8.3 fi. 



On wood or bark, rarely on rock : San Juan Co. : San Juan Island, Pt. 

 Caution, 1928, 2015. Pacific Co.: Chinook, 1940, 2810. Kittitas Co.: 

 Easton, 2200 ft., 1931, 843. Klickitat Co.: Goldendale, 2000 ft., 1931, 

 1685. Whitman Co.: Tekoa Mountains, 2900 ft., 1931, 1600a. Mason Co.: 

 Hoodsport, 1912, Foster 2110 (F). 



16. Lecidea parasema var. theioplaca (Tuck.) Zahlbr. Cat. Lich. Univers. 

 3 :664. 1925. 



Lecidea enteroleuca var. theioplaca Tuck. Gen. Lich. 179. 1872, 



Thallus pale yellowish, verrucose, thick; hypothecium always brown. 

 Thallus not yellow with KOH, but red with CaOClg ; otherwise like the 

 species. 



On rock: San Juan Co.: Shaw Island, 1928, 1944. Washington Terri- 

 tory, Cascade Mountains, 1883, Brandegee 104 (F). 



17. Lecidea Pringlei Tuck. Bull. Torr. Bot. Club, 10 :22. 1883. 



Thallus dark green or black, fruticose, consisting of crowded erect 

 branched trunks, extending into slender naked irregularly branched stems 

 dilated at the tips, often becoming densely rough and folded, passing into 

 root-like branchlets at the base. Apothecia circular, 1.0-5.0 mm. in diam- 

 eter; disk reddish brown or black, flat, soon becoming wavy, lobed and 

 wrinkled ; proper margin brown or black, thick, shiny, irregular, and finally 

 disappearing; asci 8-spored; spores hyaline, oblong-ellipsoid, nonseptate 

 but sometimes falsely 1-septate, 9.0-10.0 x 3.0-5.0 /a. 



On rock: Washington Territory, Cascade Mountains, eastern slope, 

 Brandegee 34, cotype (T). 



A rare and most unusual Lecidea. 



18. Lecidea vorticosa (Flk.) Korb. Syst. Lich. Ger. 251. 1855. 



Lecidea sabuletorum var. vorticosa Flk. Gesell. Naturf. Freund Berlin, 

 Mag. 2:311. 1808. 



Thallus grayish white or gray, granulose, thin, granules crowded, 

 heaped or dispersed, sometimes entirely absent. Apothecia circular or 

 irregular, often closely crowded and confluent, 0.5-1.8 mm. in diameter, 



