216 



Mycologia 



Type collected on dead deciduous wood in woods near Seattle, 

 Washington, October 20-November i, 191 1, W. A. Murrill ^40. 



9. Crepidopus (Nees) S". F. Gray, Nat. Arr. Brit. PI. i: 616. 



1821 



I. Crepidopus ostreatus (Jacq.) S. F. Gray, Nat. Arr. Brit. 

 PI. i: 616. 1821 



Pleurotus ostreatus Quel. Champ. Jura Vosg. 77. 1872. 



The white form of this species was found on decayed logs of 

 alder, maple, and holly. I have never collected the dark Euro- 

 pean form in America. 



Seattle, Washington, Murrill ^j8; Muir Woods, California, 

 Harper. 



2. Crepidopus connatus (Berk. & Curt.) 



Agaricus (Pleurotus) connatus Berk. & Curt. Proc. Am. Acad. 

 Arts & Sci. 4: 115. 1858. 



On an island in Bering Strait, Wright. Type not examined. 



3. Crepidopus serotinus (Schrad.) 



Pleurotus serotinus Quel. Ench. Fung. 149. 1886. 

 Pleurotus serotinoides Peck, Ann. Rep. N. Y. State Mus. 23 : 86. 

 1872. 



Seattle, Washington, Zeller p6; British Columbia, A. I. Hill ^4. 



4. Crepidopus subsapidus sp. nov. 



Pileus juicy, thin when dry, short-stipitate or attached by a 

 narrow base, imbricate, spatulate to flabelliform, convex or plane, 

 about 5 cm. broad ; surface hygrophanous, smooth, glabrous, pallid 

 to avellaneous ; lamellae decurrent, somewhat furcate and anasto- 

 mosing, inserted, rather close and narrow, thin, fragile, white, 

 becoming pale-umbrinous on drying; spores narrowly oblong, 

 pointed, smooth, Hlac-tinted in mass, 8-9 X 3-3.5 />i ; stipe, when 

 present, short, lateral, white, strigose-tomentose at the base. 



Type collected on an oak log in Muir Woods, California, No- 

 vember 22, 191 1, W. A. Murrill 11 41. AlHed to the plant called 

 Pleurotus sapidus in the eastern United States. 



