300 FUXGUS-FLOKA. 



** Gills adnate or adnexed, 



Russula. — Gills very brittle, trama composed of more or 

 less spherical cells ; spores globose, warted. 



Mycena. — Pileus thin, campannlate, usually striate, margin 

 at first straight. 



Collybia. — Pileus rather fleshy, more or less plane; margin 

 incurved when young. 



Marasmius. — Tough, drying up and reviving when 

 moistened ; gills often connected by veins. 



Tricholoma. — Pileus usually fleshy ; gills more or less evi- 

 dently sinuate and adnexed ; stem stout. 



Armillaria. — The only genus with a ring on the stem and 

 attached gills. (King sometimes rather vague; gills 

 decurrent in some species.) 



'j^ 7^ Tp" 



Gills free from the stem. 



Hiatula. — Pileus exceedingly thin, striate. Eing and volva 

 absent. 



Lepiota. — Eing present ; volva absent. 



Amanitopsis. — Yolva present ; ring absent. 



Amanita. — Base of stem with a distinct, free volva ; ring 

 present on stem. (The volva is sometimes almost, or 

 entirely without a free margin, hence adnate to the 

 stem.) 



riGUEES ILLUSTEATING THE LEUCOSPOBAE. 



Fig, 1, HtjgropTiorus Wynniae, and section of same ; nat. size ; — Fig. 2, 

 Lactarius hlennius ; about one-third nat. size, and section nat. size ; — 

 Fig. 3, Spores of same, X 400; — Fig. 4, Cantharellus aurantiacus ; about 

 two-thirds nat. size; — Fig. 5, Nyctalis asterojpJiora, and section; two- 

 thirds nat. size; — Fig 6, Lentinus tigrinus ; about two-thirds nat. size; — • 

 Fig. 7, Fanus stypticus ; nat. size ; — Fig. 8, Lenzltes flaccida ; two-thirds 

 nat. size; — Fig. 9, section of same; nat. size; — Fig. 10, Omphalia 



