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MINNESOTA MUSHROOMS 



Key to the Species 



1. Net large, perforated 



2. Net small, not perforated, concealed beneath the cap 



D. duplicdta 

 D. ravetielii 



Dictyophora duplicata Net Stem 



Receptacle 3-5 cm. tall, conic to bell-shaped, more or less netted, with 

 a thick white, 3-5-divided volva at the base of the stem, the latter more or less 



cylindric, 12-20 cm. tall, spongy, with a netted 

 perforate veil or appendage which hangs down 

 as far as the volva, white ; spores elliptic, 

 4 X 2/x. The name refers to the presence of 

 the veil. 



On the ground in woods and clearings, 

 summer and autumn; edible when very young. 



Dictyophora ravenelii 



Receptacle 2-4 cm. tall, conic to 

 bell-shaped, smooth, with a pinkish 2-3-divid- 

 ed volva at the base of the stem, the latter 

 cylindric. 10-15 cm., white, spongy, the veil 

 hidden beneath the cap ; spores elliptic, 

 4 X 2/x. Named for the botanist, Ravenel. 



On the ground, summer and autumn ; 

 edible when young. 



ITIIYPHALLUS 



A 



Distinguished from Dictyophora 

 by the entire absence of a veil, but similar to 

 it in practically all other respects. 



Ithyphallus impudicus 

 Stink-horn Fungus 



Figure 96. Dictyophora ravexelii Receptacle 4-5 cm. tall, conic to 



bell-shaped, more or less netted and pitted ; 

 stem cylindric, spongy, 12-20 cm. tall, volva pinkish, globose, 2-3-divided; 

 spores elliptic, 4 X ^P- 



On the ground, woodland, grassland, yards, etc., summer and autumn; edible 

 when young. 



