CLASSIFICATION OF ACAKH 27 



i 1 1 Bymenpphore in the form <»i' erect branches or an erect, simple, 

 club. Olavariaci a< . 



ill Bymenophore in the form of tubes or reticulations, usually 

 mi the lower Bide of the fruit-body. Polyporaceae 



i 1 i Hymenophore in the form of knife-blades I gilla I ; mosl ly fleshy 

 plants. {.garicacem 



Ki;v TO THE GENERA OP THE AGABICACEAE OP MICHIGAN 



(a) Spores mostly white iii mass (ochraceous-colored in 



SOllie species of RuSSUla ami Lad a rins ) (1 I 



i a i Spores ochraceous, cinnamon or rusty-yellow in mass. ... (21) 



(a) Spores Mesh-color to roseate or salmon-color in mass.... (32 



i a i Spores purple-brown in mass 1 39 I 



i a i Spores black in mass (43) 



White-Spored Agarics 



1. Gills of waxy consistency: Hygrophorus. 



1. Oil's noi truly waxy (2) 



2. Fruit-body, soft ami fleshy, decaying (3) 



2. Fruit-body toughish, corky or woody; thin plants shrivel 



on drying, revive when moistened (15) 



."». Gills thick on edge (4) 



3. Gills thin (5) 



4. Grills decurrenl and forked dichotomously : Gantherellus. 



4. Grills not decurrent; plants parasitic on other mushroom-: 



Nyctalis. 



5. Trama of fruit-body of two kinds of tissue, i. e.. of globular 



and filamentous cells; spores globose, echinulate (6) 



r>. Trama filamentous throughout (7) 



6. With milky juice: Lactor%U8. 

 • i. Not with milky juice: Russula. 



7. Stem eccentric, lateral or wanting: Pleurotus. 



7. Stem central (8 



S. Gills free 9 



8. (Jills adnexed (10) 



'.>. Volva and annulus present: Imanita. 



'.> Volva only present: Amanitop 



'.». Annulus only present : / - piota. 

 10. With annulus only : Irmillaria. 

 1ft. Neither annulus nor volva present (Ill 



