THE WHITE-STORED AGARICS 



123 



juice, hollow stem, the crenate margin of the cap, and its dense cespitose habits. 

 It is found on decayed logs in damp places from August to October. The plants in 

 Figure 90 were found in Haynes' Hollow, September 8. The plant is widely 

 distributed over the United States. No one will have the slightest difficulty in 

 recognizing this species after seeing the plants in the figure above. 



Mycena olkolina. Fr: 



The Stump Mycena. 



Solitary or cespitose ; pileus one-half to two inches broad, rather mem- 

 branaceous, campanulate, obtuse, naked, deeply striate, moist, shining when dry, 



Figure 90. Mycena harmatopa. Brownish-red or flesh-color. A dull red juice exudes" from the stem. 



Margin dentate by sterile flap. 



when old expanded or depressed, but little changed in color, though occasion- 

 ally with a pink or yellow hue, whitish or grayish, the center of the disk 

 darker. 



The gills are adnate, rather distant, slightly ventricose, at first pale, then 

 glaucous, pinkish, or yellow, more or less connected by veins. 



