(45) STUDIES AND ILLUSTRATIONS OF MUSHROOMS: II. 505 



II. THE INK-CAP (Coprinus atramentarius). 



The ink-cap (Coprinus atramentarius) occurs under much the 



same conditions as the shaggy -mane, and is sometimes found 



accompanying it. It is usually more common and more abundant. 



It springs up in old or newly made lawns which have been richly 



93. Coprinus atramentarius, scaly form. {Natural size '.) 



manured, or it occurs in other grassy places. Sometimes the 

 plants are scattered, sometimes two or three in a cluster, but 

 usually large clusters are formed where ten to twenty or more 

 are crowded closely together (figure 92). The stems are shorter 

 than those of the shaggy-mane and the pileus is of a different 

 shape and color. The pileus is more egg-shaped or oval. It 



