OP SOUTH AUSTRALIA. 
45 
F. Spores black or blackish. — M elanospora e. 
a. Pileus distinct and easily separable from the fleshy stem. 
With a ring on the stem but no volva 
b. Pileus confluent with, but heterogeneous from, the 
cartilaginous stem. 
Margin of pileus at first incurved or exceeding the 
gills 
Margin of the pileus straight, at first, adpressed to the 
stem 
2. Receptacle fleshy, trama vesiculose and traversed by lati- 
ciferous vessels. Spores white or yellow. 
Latex watery, uncoloured 
Latex milk-white or coloured, rarely like serum 
3. Receptacle membranous or fleshy membranous, fragile, 
rapidly putrescent or shrivelling up or drying rigid and 
friable. 
Spores ochraceous or ferruginous, receptacle shrivelling up 
Spores black or blackish-fuscous. Gills auto-digested 
from below upwards 
Spores black. With a volva, the stem expanding above to 
form a flat disc from whose edge the gills radiate without 
a covering cuticle, receptacle becoming rigid and friable. . 
4. Receptacle membranaceous, tough, reviving with moisture, 
not putrescent. Spores white. 
Pileus with a thin unspecialized cellular pellicle 
Pileus with a thick cellular pellicle. 
Cells of the pellicle upright, echinulate or verrucose . . . 
Cells of the pellicle decumbent, very long, fibrillose . . . 
Pileus subgelatinous-leathery, stem horny 
5. Receptacle coriaceous, fleshy coriaceous or woody. Spores 
white. 
Gills with crisped folds 
Gills with the edges longitudinally split 
Gills black 
Pileus fleshy coriaceous ; gills somewhat soft 
Pileus membranaceous coriaceous ; gills coriaceous, 
branched, obtuse 
Pileus coriaceous or woody, pliant ; gills firm, often 
toothed 
II. Hymenium inseparable from the pileus, spread over the 
surface of narrow, obtuse gills or folds. 
Spores white. 
Receptacle fleshy, stipitate ; gills simple. Parasitic on 
other Agarics 
Receptacle fleshy, stipitate ; gills forked 
Receptacle fleshy, membranaceous, funnel-shaped or 
umbilioate. Hymenium veined or smooth 
Receptacle membranaceous, spathulate or cup-shaped, 
pendent. Hymenium veined or smooth 
Spores ochraceous. 
Receptacle fleshy coriaceous, stipitate. Hymenium fold- 
like 
IIT. Hymenium soft, separable from the pileus. 
Gills often anastomosing by veins to form irregular pores, 
especially near the apex of the stem. Spores white, 
ochraceous or ferruginous. 
Without cystidia 
With cystidia 
Annellciria. 
Panaeolus. 
Psathyrella. 
Russula . 
Lactarius. 
Bolbitius. 
Coprinus. 
Montagnites. 
Marasmius. 
Androsaceus 
( Marasmius p.p.) 
Crinipellis. 
Heliomyces. 
Trogia ( Plicatura ). 
Schizophyllum. 
Anthracophyllum. 
Panus. 
Xerot/us. 
Lentinus. 
Nyctalis. 
Oantharellus. 
Cmterellus. 
Didyolus 
( Oantharellus p.p.) 
Neurophyllu m. 
Paxillus. 
Phylloporus. 
