Murrill: Agaricaceae of the Pacific Coast 243 



long and about 2 cm. thick, with bulbous base; annulus large, 

 white, superior, persistent; volva white, 3 cm. broad, tough, 

 regular, persistent, with entire or undulate free limb. 



Type collected on a south slope in woods near Seattle, Wash- 

 ington, October 20-November i, 191 1, JV. A. Murrill jpp. Also 

 collected as follows : Seattle, Washington, 6^. M. Zeller 80, W. 

 A. Murrill ^28; Newport, Oregon, in sandy pine barrens, W. A. 

 Murrill iop2. Specimens at Albany sent by Copeland from 

 California and temporarily referred by Peck to Amanitopsis 

 adnata appear to belong here, but I have not examined them 

 microscopically. 



10. Venenarius praegemmatus sp. nov. 



Pileus hemispheric to subexpanded, often splitting at the mar- 

 gin with age, scattered, reaching 6 cm. broad; surface smooth, 

 melleous-avellaneous in the center, dark-melleous on the mar- 

 gin, not striate, densely covered with persistent, white, cottony, 

 gemmate warts, the remains of the volva ; lamellae free, crowded 

 ventricose, white; spores ovoid to subglobose, smooth, hyaline, 

 8-10 fi ; stipe tapering upward from a bulbous base, smooth, white, 

 reaching 7 cm. long and 1.5 cm. thick; annulus ample, white, 

 persistent, fixed just above the middle of the stipe; volva white, 

 3 cm. broad, 2 cm. high, closely attached to the bulb and scarcely 

 showing a free limb, without friable remains in the soil. 



Type collected on sandy soil in open woods near Seattle, 

 Washington, October 20-November i, 1911, W. A. Murrill 24^. 

 Also collected as follows: Seattle, Washington, W. A. Murrill 

 548, 646; Coos Bay, Oregon, H. D. House yd. . Fresh specimens 

 suggest one of the honey-colored forms of V. miiscaria, and 

 dried specimens are not very different from small plants of 

 A. rube sc ens. 



Series 2. Spores Ochraceous or Ferruginous 



Several departures from ordinary generic usage are made here. 

 In using the key, please bear in mind that Cortinarius, Inocyhe, 

 Heheloma, and Naucoria are not considered, these genera being 

 reserved for later publication. 



Lamellae readily separable from the context. 



Stipe lateral or none. i. Tapinia. 



Stipe central or eccentric. 2. Paxillus. 



