MAY 1 0 1913 
MYCOLOGIA 
VoL. V May, 1913 No. 
ILLUSTRATIONS OF FUNGI— XIV 
William A. Murrill 
The accompanying plate represents the two most poisonous 
species of fungi in this region, commonly known as Amanita 
phalloides and Amanita muscaria. Certain related species are 
also represented. 
For a discussion of the principal species of this genus occur- 
ring in eastern North America, see Mycologia for IMarch, 1913. 
The poisonous species of this group are discussed in INIycologia 
for November, 1910. 
Venenarius phalloides (Fries) Murrill 
Amanita phalloides Fries 
Deadly Amanita. Destroying Angel 
Plate 87. Figure i. Xi 
Pileus convex or campanulate to expanded, 3-15 cm. broad; 
surface smooth, slightly viscid when moist, glabrous or decorated 
with scattered patches of the volva, varying in color from pure- 
white to yellow, yellowish-green, green, gray, brown, or blackish, 
margin rarely striate ; context extremely poisonous, white, not 
objectionable to the taste but having at times a somewhat dis- 
agreeable odor; lamellae white, unchanging, broad, ventricose, 
rounded at the base and free or adnexed ; spores globose, smooth, 
hyaline, 7-10 /t; stipe subequal, bulbous, long, smooth or floccose- 
scaly, usually white, stuffed or hollow, 6-15 cm. long, 0.5-1. 5 cm. 
thick; annulus superior, membranous, thin, ample, persistent or 
at times becoming torn away, usually white; volva white, adnate 
[Mycologia for March, 1913 (5; 45-92), was issued March 10, 1913] 
93 
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