POLYPORUS 



383 



and weighing many pounds. Pilei wavy, margin often lobed, 

 almost glabrous, yellow, or more or less suffused with red ; 

 flesh thick, yellow, then whitish, of a cheese-like consistency, 

 not becoming hard when dry. Tubes up to J in. long, pores 



V... 



t 



A 



JM 



FIG. 118. Polvporus sulphur eus. i, fungus, reduced; 2, section 

 of same ; 3, basidium bearing four spores, highly mag. 



minute, primrose-yellow, spores elliptical, minutely warted, 7-8 



X 4-5 /* 



'Globose conidia are formed in special receptacles of the 

 pileus, and also on the mycelium growing in the wdod. A 

 second conidial condition at one time considered as an 



