1^8 MINNESOTA MUSHROOMS 



Common among grasses or herbs, late summer and autumn; one of the best of 



edible fungi. 



Calvatia caelata Carved Puffball 



C a p large, 8-20 cm. wide. Avhitish to yellowish and brownish, the outer wall 

 breakmg into large areas or scales which are more or less persistent on the inner 

 wall, broadly top-shaped, with a stout stalk-like base : spores oli\-e-brown. globose, 

 smooth. 4-5f(. The name refers to the large scales and areas. 



< )n the ground in grassland, summer and autumn ; excellent. 



Calvatia cyathiformis Cup Puffball 



C a p large. 8-20 cm. wide, ^vhitish to grayish or brownish, smooth or somewhat 

 scaly or cracked into areas, more or less globose, with a short thick base ; spores 

 purple-brown, globose, rough, S-7/j,. The name refers to the sterile base, which re- 

 mains as a cup-like stalk after the mass of spores has blown away. 



( )n the ground in grassland, summer and auttimn ; excellent. 



LYCOPEIU)(.)N 



Cap with a stem-like base, a scaly or sjiinv outer wall, and a distinct mouth. 

 It is separated by the base from B o y i s t a, and bv the definite mouth from C a 1- 

 y a t i a. The species are common, usually on ground in woodland, sometimes on 

 wood itself. Thev are edible when voung. so far as is known. The name refers to. 

 the mass of spores. 



Key to the Species 



1. C>uter wall of yery long white spines L. piilclicrrimiiui 



2. Outer wall of small short spines, or scales 



a. (.)n the ground, rarely on wood L. geniinatiiiu 



"b. Cn wood L. pxriioniic 



Lycoperdon pulcherrimum Spiny Lycoperdon 



C a p 3-8 cm. wide, outer wall of long white spines, which are united at the- 

 tips. these fall awav. leaying the brownisjt inner wall, more or less top-shaped, 

 with a sliort thick base; spores puriile-l)rown. globose, rough -V-fifx. The name- 

 refers to the lieautifulh' spinv surface. 



(In the grcamd in grassland and woodland, late summer and autumn ; edil)le. 



