12 SYSTEMATIC INDEX. 



** Pileus between fleshy and membranaceous, hygro- 

 phanous. 



d. Cyathiformes. Pileus flesby, membrana- 



ceous, disc not compact, hygrophanous, 

 depressed, then cup-shaped ; gills adnata, 

 then decurrent. 



166. Ag. cyathiformis, Fr. . . 113 



167. ,, ,, var. expallens, i^r. 220 



168. ,, obbatus, Fr. . . 230 



169. ., pruinosus, Lasch. . 231 

 ,, concavus, Scop. . . 



170. „ brumalis, Fr. . . 114 



e. Orbiformes. Pileus rather fleshy, ex- 



ternally and internally moist, hygropha- 

 nous. convex, then flattened or depressed, 

 polished; gills plane, adnata. 



Gills becoming cinereous. 



171. Ag. metachrous, Fr. . .115 

 ,, pausiacus, Fr. . . 



172. „ ditopus, Fr. . .116 



