MYCOLOGIA 



Vol. I May, 1909 No. 3 



ILLUSTRATIONS OF FUNGI— III 



William A. Murrill 



Most of the species here figured belong to the large and im- 

 portant class of wood-destroying fungi, which are of special 

 interest to the forester. While none of them are poisonous, 

 most of them are too tough to be used for food. Amanitopsis 

 vaginata, the only species described here that is not generally 

 found on wood, must be carefully distinguished from the deadly 

 species of Amanita when collecting it for the table. 



Pholiota adiposa (Fr.) Quel. 

 Fat Pholiota 



Plate 7. Figures 1 and 2. X h £ 



Pileus firm, fleshy, convex to expanded, incurved at the margin, 

 4-7 cm. broad; surface very viscid when moist, shining when 

 dry, lemon-yellow to egg-yellow, with conspicuous bay or tes- 

 taceous scales, which often become darker, especially near the 

 tip; flesh white or yellowish, almost tasteless, not poisonous; 

 gills adnate, close, pale yellow or isabelline, becoming ferrugi- 

 nous ; spores ellipsoid, smooth, ferruginous, 7-8 X 5 p I stem 

 subequal, white or yellowish above, slightly darker below, squa- 

 mose below the delicate, floccose annulus, 5-10 cm. long, 5-8 

 mm. thick. 



This species is conspicuous and quite common in autumn in 

 dense clusters on dead trunks and stumps of deciduous trees, in 

 Europe and North America. It is rarely eaten, because of its 



[Mycologia for March, 1909 (1 : 37-82), was issued 15 Ap 1909.] 



83 



