530 



THE AGARICACEAE OF MICHIGAN 



sidered very poisonous, and if so, is easily confused with V. speciosa. 

 The authors note that the volva breaks in a circular maimer, some- 

 times Leaving shreds on the pileus like some Amanitas. Atkinson 

 has shown that in Amanita the volva of the same species may under- 

 go the two different modes of breaking, and the same holds true of 

 this form. Our plants did not show any shreds on the pileus, and 

 the volva was angularly lobed. The pileus was not truly umbonate. 

 It must not be confused with the gray form of Amanitopsis vaginata. 



568. Volvaria umbonata Pk. 

 Torr. Bot. Club, Bull. 26, 1899. 



"PILEUS 2-3 cm. broad, conico-campanulate or campanulate, then 

 expanded and furnished with a prominent umbo, white, slightly 

 viscid when moist, silky when dry, strongly striate. FLESH thin. 

 GILLS free, remote, medium close, pale flesh color. STEM 5-6 cm. 

 long, 4 mm. thick, solid, glabrous, white, slightly thickened below. 

 VOLVA white, membranous, persistent, irregularly split into seg- 

 ments, forming a shallow cap. SPORES variable iu size, broadly 

 elliptical, nucleate, smooth, 5-7x4-5 micr. 



"On lawns and grassy places." 



The above is taken from Peck's and Lloyd's descriptions. Lloyd 

 finds it in Ohio. It is probably to be found in our State if careful 

 search be made. 



569. Volvaria pubescentipes Pk. 

 X. V. State Mus. Rep. 29, 1878 \Y. puUpes in Sylloge). 

 Illustrations: Ibid., PI. I, Fig. 1-3. 



PILEUS 1 i' cm. broad, dry, white, obtuse, covered with adpressed, 

 silky squamules, not striate on man/in. GILLS free, remote, close, 

 "'" vrl '. v broad, white then flesh color, edge persistently white-fim- 

 STEM -2 4 cm. long, 1-2 mm. thick, usually sleuder, equal 

 or subequal, densely minutely villosc with spreading hairs, even, 

 white. VOLVA white, membranous, subappressed, sometimes 3- 

 lobed. SPOEES suboval to broadly elliptical, smooth, 5-7x4-5 micr., 

 pale flesh color. 



(Dried: Buff to pale ochraceous-brown.) 



Scattered. <>.. the ground, among debris in hemlock and cedar 

 u; ""l' s of northern Michigan, sparingly in frondose woods of the 

 southern part. Marquette, Houghton, Bay View, New Richmond, 

 Aim Arbor, etc. July-September. Frequent locally. 



