442 THE FUNGI WHICH CAUSE PLANT DISEASE 



pinkish; spores yellowish to pinkish, ellipsoid, 5-7 x 3-4 /i. 

 It is found on oak and chestnut. 



Agaricacese (p. 402)^* 



Sporophore usually fleshy, rarely coriaceous or leathery, stip- 

 itate or shelving; stipe variable in development, lateral or central, 



FiQ. 314. — FistuUua hepatica. After Clements. 



annulate or not, the entire young sporophore often volvate at 

 first; hymeniiun lamellate, the lamellae usually free, rarely anas- 

 tomosing, sometimes dichotomous, rarely reduced to ridges or 

 slight folds. 



A family of over twelve hundred species. 



Key to Tbibes of Agaricaces 



Hymenium with the lamellse ridge or fold- 

 like, imperfectly developed I. Cantharellese, p. 443. 



Hymenium with normally developed gills 

 Lamellse sometimes anastomosing, and 



forming meshes II. Pazillese. 



Lamellae not anastomosing 

 LameUs and often the cap deliquescent 



(in Montagnites withering,) III. Coprineae. 



Lamellse not deliquescent 

 Lamellae thick and fleshy, becoming 



waxy IV. Hygrophorese. 



