TREES AND TIMBER 



413 



belong to two kinds: one bearing its spores upon gills, 

 Fig. 184; the other with its spores borne in pores, Fig. 211. 



Fig. 177. — Wound of properly removed limb nicely healed over. After 

 Ind. Agr. Exp. Sta. 



Still others bear their spores upon spines. In describing 

 the fructification of the causal fungi for recognition pur- 

 poses it is necessary to note especially the stalk, or stipe, and 

 the cap or pileus, Fig. 184. A cap with no stalk is '' sessile." 



