MINNESOTA MUSHROOMS 



Agaricus placomyces Scaly Agaricus 



Cap 5-10 cm. ^vicle, whitish, but often so densely co\-ereil with tiny brown 

 scales as to be almost wholh- dull brown, the margin white at maturity but the disk 

 nearly ahva\-s brown. con\-ex to flat; stem 7-14 cm. bv S-14 mm., white or whitish, 

 smooth, stuffed or hollow, bulbous, with a large superior ring ; gills free, pink, 

 then dark ptn"ple-brown. crowded : spores purple-brown, ellipsoid. 4-6 ^^ 3-4fj.. 

 'Vhe name refers to the flattened cap. 



Common in grassland or woodland, summer and autumn ; excellent. 



Agaricus campester Common or Cultivated Mushroom 



Cap 5-15 cm. wide, white, whitish, gravish to reddish or brownish in some 



forms, smooth, or in some forms 

 silkv, liairv or scalv. conwx to 

 plane: stem 4-10 cm. bv 1-2 cm., 

 whitish, more or less smooth, stuft"- 

 ed. ring near the middle, more or 

 less torn ; gi 1 1 s free. pink, then 

 dark bro\\"n, broad, crowded : 

 s p ores ijurple-brown, ellipsoid, 

 7-9 \ 6/x. The name refers to its 

 habit of growing in meadows and 

 pastures. 



Common in grassland from 

 sprmg to winter ; the standard 

 edible mushroom, and the onlv one 

 commonlv cultivated. It is ex- 

 tremelv variable, but it is impos- 

 sible for the beginner to distin- 

 guished its manv forms or some of 

 the closelv related species. 



FlOURE 42. Ao.\RICUS PL.-VCOMVCES 



Distinguished bv tlie presence of a ring, and the continuit\' of the stem and 

 cap. The ring is sometimes small, or absent in age. The gills are usuallv adnate. 

 ( )ur species are all stickv. and with one exception are found on dung or in 

 well-manured soil. Thev are probablv all edible, but the first should be tried very 

 lautiouslw d'he name refers to the ring. 



Key to the Species 



1. Cap blue-green with a stickv slime; on the ground 5. arn/ginosa 



2. Cap yellowish or yellow ; on dung or well-manured soil 



a. Stem stuft'ed ; gills of one color ; cap convex, then 5. stcrcoraria 



}jlane 



b. Stem hollow; gills black spotted or clouded; cap 



hemispheric S. scniiglohata 



