Minnesota Plant Diseases. 17 



of the trunks will arise the honey-colored mushroom, which 

 usually occurs in great clusters. 



Fie. 6. "Shoestring" str.vids of myctlial threads of tne honey-colored mushroom 

 (Armillaria nicllca). (See als > I'ijf. 113*. > Orini"al. 



Physiology of the Mycelium. The mycelium arises from 

 the spore by the germination of the latter. The spore sends 



