I. Sporos w h ite , or v e ry s lig h tly tin te d .—Leucosjyori.
* P la n t fleshy, more or less firm, p u tre s c e n t
(n e ith e r d e liq u e sc en t n o r coriaceous),
t Hymen o p h o re free .
Pilcus bearing warts or patches free
from th e cu tic le . . . . . . . 1. Amanita.
P ileu s s c a ly ,'s c a le s co n crete w ith the
cuticle........................................................2. Leplota.
t H ymenophore confluent.
} W ith o u t c a rtilag in o u s b a rk .
§ Sten i c en tra l.
II W ith a r i n g ...............................................3. Armillana.
II E in s le s s . r,. ■ , \
Gills s i n u a t e .........................................4. Incholoma.
Gills d e cu rren t.
Ed g e a c u t e ..............................Chtocybe.
E d g e swollen..........................xi. Gantharellus. -
Gills a d n a te .
P a ra s itic on o th e r A g a ric s xii. N yctams.
N o t P a ra s itic
ix. L aotakius.
N o t milky.
Rigid an d b r ittle . . x. E ussuea.
■W a x y vii. H ygeophorus.
§ Stem la te ra l or a b se n t . . . . 9. Pleurotus.
t W ith c artilag in o u s b a rk .
Gills a d n a t e 6. Collybia.
Gills s i n n a t e 7. Mycena.
Gills d e c u r r e n t 8. Omplialia.
* P la n t to u g h , coriaceous, or woody,
t S tem c en tra l.
Gills s im p l e xiii. Maeasmius.
Gills b r a n c h e d xvi. X eeotus.
t Stem la te ra l o r w a n tin g .
Gills t o o t h e d ................................................... L entinus.
Gills n o t t o o t h e d ....................................... P anus.
Gills c h an n e lled lo n g itu d in a lly or
c r i s p e d ................................................ ..... T hogia.
Gills s p littin g lo n g itu d in a lly . . xviii. S chizophyllum.
Gills an as tom o s in g .................................. xix. L enzites.
II. Spores rosy or salmon colour.—Hyporliodii.
* W ith o u t c artila g in o u s b a rk ,
t H ymenophore fre e .
X With a v o l v a .................................................10. Volvaria.
i W ith o u t a volva.
W ith a r i n g ................................................11. Jnnnlaria.
B i n g l e s s .......................................................12- Pluieus.
t Hymen o p h o re confluent,
t S tem c en tra l.
Gills a d n a te or s in u a te . . . . 13. Erdoloma.
Gills d e c u r r e n t ........................................... 14. Clitopilus.
} Stem la te ra l or a b s e n t ...............................15. Claudopus.
* W ith c a rtilag in o u s b a rk .
Gills d e c u r r e n t ................................................ 18. Eocilia.
Gills n o t d e cu rre n t.
Pileu s to rn in to s c a l e s ...............................16. Leptonia.
Pileus papilose, suboampanulate.
Gills membranaceous, persistent
Gills subdeliquesoent. . . .
17. Nolanea.
i i i . B o l b i ï iu s .
III. Spore.3 brown, sometimes reddish or yellowish brown,
* Without cartilaginous bark.
t Stem central.
J With a ring.
Ring c o n tin u o u s ............................... 20.
Ring arachnoid, filamentous or
evanescent.
Gills adnate, terrestrial . . . iv.
Gills decurrent, or acutely adnate,
mostly epiphytal. . .
} Without a ring.
With rudimentary volva . . . .
Without a volva.
Gills adhering to the hymenophore,
and sinuate.
Cuticle fibrilloae or silky . .
Cuticle smooth, viscid .
Gills separating from the hymenophore,
and decurrent. . vi
t Stem lateral or a b s e n t................................28.
* With cartilaginous bark.
Gills d e c u r r e n t .......................................... 27.
Gills not decurrent.
Margin of pileus at first incurved
Margin of pileus always straight
Hymenophore free . . . .
Hymenophore confluent. . .
23.
19.
21.
2 2 .
24.
25.
26.
—Dermini.
Pholiota.
COETINAEIUS.
Flammula.
Acetahularia,
Inocybe.
Ueheloma.
P a x ie e u s .
Crepidotus.
Tubaria.
Naucoria.
Pluteolus.
Galera.
IV. Spores purple, sometimes brownish purple, dark purple, or dark brown.
—Pratellm.
* Without cartilaginous bark,
f Hymenophore free.
I With a v o l v a ...............................
i Without a v o l v a ..........................
t Hymenophore confluent.
Veil normally ring-shaped on the
s t e m ....................................
Veil normally adhering to the margin
of p i le u s ....................................
* With cartilaginous bark.
Gills d e c u r r e n t................................
Gills not decurrent.
Margin of pileus at first incurved .
Margin of pileus at first straight.
29. Chitonia.
30. PsalUota.
31. StropJiaria.
32. Syplwloma.
35. Deconica.
33. Psilocyhe.
34. Psathyra.
V. Spores black, or nearly so.—Coprinarii.
Gills d e liq u e s c e n t .......................................... ii. C o p e in u s .
Gills not deliquescent.
Gills d e c u rre n t.................................................. viii. G o m p h id iu s .
Gills not decurrent.
Pileus s tr ia te .................................................... 37. Psathyrella.
Pileus not s t r i a t e .......................................... 3G. Panisolus.
J.