174 LICHENS OF THE STATE OF WASHINGTON 



thalHne margin thick, crenulate, somewhat wavy, often inflexed; hypothe- 

 cium pale yellowish; spores brown, ovoid-ellipsoid, 1 -septate, polar-bilocu- 

 lar, 18.0-27.1 X 8.0-15.0 /x. 



On rocks, more rarely on trees, or old wood : San Juan Co. : Turn 

 Island, 1928, 2100. 



2. Rinodina Conradi Korb. Syst. Lich. Ger. 123. 1855. 



Thallus greenish-gray or brownish-gray, crustose, minutely granulose, 

 granules flat or slightly convex, scattered or forming a thin chinky crust. 

 Apothecia 0.3-0.8 mm. in diameter, sessile; disk flat to convex, blackish- 

 brown or black ; thalline margin thick, almost entire or crenulate ; hypothe- 

 cium yellowish; spores brown, ellipsoid, 1-3-septate transversely, and 

 rarely the middle cell 1 -septate longitudinally, polar-bilocular, 26.4-31.3 x 

 11.0-16.5 IX. 



On moss, rocks, or on a thin layer of soil over rocks : Ferry Co. : 

 Republic, 1912, Foster (F). 



3. Rinodina Hallii Tuck. Bull. Torr. Bot Club 5 :20. 1874. 



Thallus smoke-gray (R), grayish-brown, or pale green-brown, crustose, 

 thin, chinky or areolate, bounded by a conspicuous broad, black hypothal- 

 lus. Apothecia numerous, 0.7-1.2 mm. in diameter, adnate; disk reddish- 

 brown or black, when young slightly pruinose; the thalline margin thin, 

 concolorous with the thallus, sometimes excluded; hypothecium hyaline, 

 or with a brownish tinge; spores brown, ellipsoid or oblong-ellipsoid, 

 1-septate, polar-bilocular, 19.8-30.0 x 6.8-10.0 fi. 



On trees: Pacific Co.: Loomis Lake, 1931, 735. Grays Harbor Co.: 

 CopaHs, 1911, Foster 1632 (W) ; Westport, 1907, Foster 566 (718) (F). 

 Washington Territory, Suksdorf 295 (F). 



4. Rinodina orbata (Ach.) Wainio Arkiv. for Bot. 8:71. 1909. 

 Lecanora sophodes var. orbata Ach. Lichenogr. Univers. 678. 1810. 

 Rinodina turfacea (Wahl.) Korb. 



Thallus brownish-ash colored or fuscous (R), crustose, verrucose, or 

 granulate, encrusting the substratum. Apothecia small, 0.5-1.0 mm. in 

 diameter, adnate to subsessile; disk reddish-brown to brownish-black, flat 

 to convex, dull ; thalline margin thin, raised, entire or rugulose, persistent ; 

 hypothecium pale yellowish; spores brown, oblong-ellipsoid, 1-septate, 

 polar-bilocular, 20.0-28.0 x 12.0-16.0 /^. 



On soil or mosses: Whatcom Co.: Mt. Baker, 6000 ft., Herre (1917). 

 Fink (1935) reports this species from Washington. No Washington speci- 

 men seen by the writer. 



5. Rinodina sophodes (Ach.) Mass. Ricerch. Auton. Lich. 14. 1852. 

 Lichen sophodes Ach. Lichenogr. Suec. Prodro. 67. 1798. 



