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* 



[Vol. 12 

 280 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Montana: Evaro, J. P. Weir, 415 (in Mo. Bot. Gard. Herb., 



14772). 



59. P. subapiculata (Bres.) Burt, n. comb. 



Corticium subapiculatum Bresadola, Mycologia 17: 69. 1925. 



Type: in Weir Herb. 



Fructifications broadly effused, adnate, small pieces separable 

 when moistened, waxy, becoming ivory-yellow to pinkish buff in 

 the herbarium, even, only rarely cracked, the margin thinning 

 out, pruinate; in section about 150 \l thick, not colored, composed 

 of interwoven hyaline hyphae 3J^-4J^ [l in diameter, not in- 

 crusted, only rarely nodose-septate; no gloeocystidia; cystidia 

 hair-like, not incrusted, cylindric, obtuse, 3-4J^ y. in diameter, 

 protruding 10-40 y. beyond the basidia; spores hyaline, even, 

 4-6 X 2-3 [i. 



Fructifications 8-12 cm. long, 1-4 cm. wide. 



On decaying logs of Pinus, Abies, and Larix usually on the 

 wood. Idaho and British Columbia. June to September. 



P. subapiculata resembles P. Weiri in color and general aspect 

 but has no gloeocystidia and smaller cystidia and spores. 



Specimens examined: 

 Montana: Evaro, J. P. Weir, 414 (in Mo. Bot. Gard. Herb., 



63720); Kalispell, E. E. Hubert, comm. by J. R. Weir, 11957 



(in Mo. Bot. Gard. Herb., 63312). 

 Idaho: Clarkia, A. S. Rhoades (in Weir Herb., 16928, type); 



Coolin, J. R. Weir, 11086 (in Mo. Bot. Gard. Herb., 63245); 



Priest River, J. R. Weir, 52, 180 (in Mo. Bot. Gard. Herb., 



63718), and E. E. Hubert, comm. by J. R. Weir, 12020 (in Mo. 



Bot. Gard. Herb., 63375). 

 British Columbia : Kootenai Mountains, near Salmo, J. P. Weir, 



476 (in Mo. Bot. Gard. Herb., 63719). 



60. P. sordida (Karst.) Burt not in the sense of Brinkmann 

 or Bresadola. 



Corticium sordidum Karsten, Soc. pro Fauna et Flora Fennica 

 Meddel. 9: 65. 1883; Finska Vet.-Soc. Bidrag Natur och 

 Folk 48: 413. 1889; Sacc. Syll. Fung. 6: 631. 1888; Massee, 

 Linn. Soc. Bot. Jour. 27: 140. 1890. Compare v. Hohnel 



