89 



Family I.— HYMENOMYCETES. 



Hymenium at length exposed, inferior in the higher spe- 

 cies, consisting of closely packed cells, of which the fertile 

 ones {sporophores) bear naked, mostly quaternate spores, on 

 distinct spicules. Vegetation centrifugal. 



Oedeb 1. AG ABIC INI. 

 Hymenium inferior, spread over the surface of distinct 

 gill-like processes, which are easily divisible into two plates. 



1. AGARICUS, L. 



Gills membranaceous, persistent (not melting) ; trama fila- 

 mentous, continuous with the substance of the pileus ; edge 

 acute. Fleshy putrescent Fungi. 



Series 1. Leucospori. — Spores white. 



Subgenus 1. Amanita. — Veil universal, distinct from the cuticle 



of the pileus. Hymenopliorum distinct from the stem. 



* Hiiiff distinct. 



1 . A. (Amanita) vernus, Bull. ; white ; pileus at first ovate, 

 viscid, margin even; stem bulbous, closely embraced by the 

 free limb of the volva; gills free. — Bull. t. 108. 



In woods, early in the summer. Poisonous. 



2. A. (Amanita) Phalloides, Fr. ; pileus at first campanu- 

 late, viscid when moist ; margin even, regular ; volva fi'ee 

 above, bulbous; gills rounded, ventricose. (Plate 3, fig. 1.) 



In woods. Variously coloured, often greenish. 



