1 8 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



9. Juice of plant milky some species of Lactarius 



Juice of plant not milky Rnssula 



10. Stem attached at one side of the center of the cap 



(eccentric), or at its margin (lateral) ; growing 



on wood Pleurotus 



Stem central 11 



11. Cap and gills very crisp and brittle; juice of plant 



milky some species of Lactarius 



Cap and gills waxy 12 



Cap more or less firm and fleshy 13 



12. Plants parasitic on other fungi; gills blunt Nyctalis 



Plants not parasitic on other fungi ; margin of gills 



thin, but thickened at union with cap. . . .Hygrophorus 



13. Gills thick and fold-like, margins blunt Caiitharellus 



Gills thin, margins acute 14 



14. Fresh stems breaking with clean, sharp ends. . .Oiiiphalia 

 Fresh stems breaking with fibrous, ragged ends. Clitocybe 



15. Plants leathery in texture; gills extending down the 



stem (decurrent) ; plants reviving when moistened 16 

 Plants woody or corky in texture; stem absent. .Lcnzites 



16. Margin of gills toothed Lcntinus 



Margin of gills not toothed Panus 



17. Margin of gills split into two, revolute; growing 



on wood Schisophyllum 



Margin of gi-lls somewhat crisped, gills resembling 

 folds or wrinkles Trogia 



Key to the Ochre-S pored Group. 



Gills not separating easily from the cap i 



Gills separating easily from the cap Paxilhts 



1. Young plants covered by a cobwebby veil ; ring frag- 



ile when present Cortinarius 



Plants not covered by a cobwebby veil 2 



2. Ring present on the stem Pholiota 



Ring absent from the stem 3 



3. Stem attached at one side of the cap or ahsQni.Crepidotus 

 Stem central 4 



4. Gills dissolving into a mucilaginous condition at ma- 



turity ; cap thin, soft and pliable Bolbitius 



Gills not dissolving at maturity 5 



