LICHENS OF THE STATE OF WASHINGTON 95 



squamulose, squamules umbilicate, margins crenate or often covered with 

 coarse rounded granules; cephalodia brown, gray, or black, the spherical 

 type, Johnson (1938), containing Stigonema. Apothecia rare, terminal or 

 lateral, small, 0.5-1.0 mm. in diameter; disk reddish brown or brownish 

 black, flat to convex ; proper margin concolorous with the disk, soon dis- 

 appearing; spores hyaline, acicular, 3-5-septate, 20.0-38.0 x 2.5-4.0 /i. 

 KOH-f , yellow. 



On soil : Whatcom Co. : Ruth Mountain, 5500 ft., 1928, 1833. Washing- 

 ton Territory, Suksdorf (F). Washington Territory, Suksdorj (S). 



Rather a rare alpine lichen. 



4. Stereocaulon paschale (L.) Hoffm. Deutschl. Fl. 130. 1796. 

 Lichen paschalis Linn. Sp. PI. 1153. 1753. 



Podetia greenish white, greenish gray, or various shades of pale brown, 

 short to medium in length, caespitose, usually spreading or decumbent, 

 rarely erect, branched, glabrous or somewhat tomentose, squamules granu- 

 lose or with short crenate marginal branchlets, palmate-digitate Riddle 

 (1910) ; cephalodia gray, brown, or olivaceous, the spherical type, John- 

 son (1938), containing Stigonema. Apothecia terminal or sublateral, 

 small, 0.5-1.5 mm. in diameter, often clustered; disk reddish black or 

 brownish black; proper margin concolorous with the disk, thin, soon dis- 

 appearing; spores hyaline, acicular, 3-septate, 25.0-35.0 x 3.3 /x. KOH-|-, 

 yellow. 



On soil and rocks : San Juan Co. : Orcas Island, Mt. Constitution, 2500 

 ft., 1928, 2021. Kitsap Co.: Hidden Ranch, near Bremerton, 213 ft., 1931, 

 1724. Olympic Mountains, 1915, /. M. Grant 3 (F). Clallam Co.: Sequim, 

 1920, /. M. Grant (F). Columbia National Forest, R. Kienhols (F). 

 Spokane Co. : Spokane River, 1908, T. A. Bonser (W). 



The palmate-digitate squamules on the smooth or faintly tomentose 

 podetia help to characterize this species. 



5. Stereocaulon tomentosmn Fries, Sched. Critic. Fasc. 3 :20. 1824. 



Podetia grayish white or some shade of pale brown, medium in length 

 to rather long, not often exceeding 8 cm., stout, attached loosely to the 

 substratum, erect or spreading, much branched, especially towards the top, 

 densely to moderately tomentose, squamules abundant, palmate-digitate, 

 crowded towards the upper part; cephalodia gray or bluish gray, warty, 

 containing Nostoc. Apothecia numerous, subterminal or lateral, small, 

 0.4-1.0 mm. in diameter, clustered; disk reddish brown or brown; proper 

 margin concolorous with the disk, thin, soon disappearing ; spores hyaline, 

 acicular, 3-7-septate, 20.0-37.0 x 2.6-3.5 fi. KOH-j-, yellow. 



On thin layer of soil over rock : Kitsap Co. : Hidden Ranch, near Brem- 

 erton, 213 ft., 1930, 1981. Clallam Co.: foot of Mt. Angeles, 1911, Foster 

 1778 (W) ; Olympic Hot Springs, 1935, A. H. Smith 2108 (F). Whatcom 

 Co. : Boulder Creek Trail to Mt. Baker, 1000 ft., 1908, C. S. Eaton 674 



