1. Pileus white to whitish for the
greater part, delicately tinted lilaceous, brownish
wine to mauve or pale yellowish at the centre. Hyphae
og the pileipellis not covered with coarse, broadly
rounded, often inflated excrescences. |
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2. Hyphae of the
cortical layer of the stipe diverticulate. |
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3. Pileus pinkish lilac or flesh-coloured,
whitish towards the margin. Lamellar edge pinkish.
Spores 9.2-11.6 x 5.6-6.7 µm, somewhat elongated
pip-shaped. Cheilocystidia variously shaped with one
or several necks or with several excrescences:
M. albidolilacea |
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3. Pileus cream coloured. Lamellar
edge brown. Spores 8.5-11 x 5-6(-7.5) µm, pip-shaped.
Cheilocystidia smooth and broadly rounded at the apex
or with some coarse excrescences. Hyphae of the pileipellis
and of the stipe cortex with granular yellow-brown
pigment: M. brunneomarginata |
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2. Hyphae of the cortical layer of
the stipe smooth. |
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4. Pileus delicately pink becoming
whitish. Stipe violet. Terminal cells curved sharply
outwards forming smooth caulocystidia: M.
decora |
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4. Pileus pale creamy white to pale
brownish white, delicately brownish wine-coloured
at the centre. Stipe yellowish with an isabelline
flush, turning dark brown from the base with age.
Terminal cells absent: M. schildiana |
1. Pileus generally more richly coloured
to very dark, except sometimes in one species which
is otherwise characterized by a conspicuously yellow
stipe and by broadly rounded to much inflated excrescences
covering the hyphae of the pileipellis. |
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5. Hyphae and hymenial elements with
clamps. |
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6. Stipe yellow or with somewhat yellowish
colours |
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7. Stipe bright yellow. Hyphae of the
pileipellis smooth or with broadly rounded and inflated
excrescences. |
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8. Stipe bright yellow, lilac-yellow,
pink-yellow. Pileus brown-lilac, pink-lilac. Hyphae
of the pileipellis gelatinized, smooth or with rounded
excrescences. Hyphae of the cortical layer of the
stipe smooth. Spores subglobose 8.5-11(-12) µm
long: M. bresadolana |
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8. Stipe yellow. Pileus lilaceous pink
to yellowish red or pale brownish vinaceous. Hyphae
of the pileipellis covered with broadly rounded, inflated
excrescences. Spores ellipsoid 9-13 µm long:
M. renati
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7. Stipe olive-yellow or with orange-yellow
pruina |
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9. Pleurocystidia absent. Hyphae of
the cortical layer of the stipe diverticulate, terminal
cells absent or very rare: M.
olivaceomarginata |
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9. Pleurocystidia numerous, fusiform.
Hyphae of the cortical layer of the stipe smooth,
terminal cells forming caulocystidia 55-200 µm
long: M. aurantiistipitata
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7. Stipe olive brown to dark grey, turning
more yellow when drying. Small species with pinkish
grey pileus, growing on dead leaves and twigs of Quercus
ilex: M. roseoquercina |
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6. Stipe without yellowish or olivaceous
colours |
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10. Hyphae of the pileipellis covered
with simple to much branched excrescences which may
form dense masses. |
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11. Odour nitrous, sides of the lamellae
finely punctate with dark reddish brown dots: M.
capillaripes |
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11. Odour not nitrous. |
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12. Spore length 7-9 µm, cheilocystidia
lageniform with a long, narrow neck. Occuring on dead
leaves of Quercus suber: M. rubroquercina
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12. Spores larger, cheilocystidia rounded
at the apex or more variously shaped. Not growing
on leaves of Quercus. |
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13. Pileus cream coloured. Lamellae
with brown edge. Spores 8.5-11 x 5-6(-7.5) µm,
pip-shaped. Hyphae of the pileipellis and the stipe
cortex with granular yellow-brown pigment: M.
brunneomarginata |
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13. Pileus grey-brown to dark brown.
Lamellae with red-brown to purplish brown edge. Spores
9.2-13.4 x 6.5-9.4 µm, broadly pip-shaped to
almost subglobose: M.
rubromarginata |
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10. Hyphae of the pileipellis covered
with scattered, simple, fairly coarse excrescences. |
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14. Spores longer than 10 µm. |
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15. Pileus purplish brown with pinkish,
lilaceous to vinaceous components. Spores 10.7-14.5
x 5.6-7.5 µm. Growing on fallen Pinus
cones (and decaying trunks): M. seynii |
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14. Spores shorter than 10 µm. |
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16. Pileus and stipe dusky red to reddish
grey-brown. Found on rhizomes and partially buried
stems of Scirpus holoschoenus: M.
hepatica |
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16. Pileus greyish to pinkish grey.
Stipe olive brown to dark grey. Found on dead leaves
and twigs of Quercus ilex: M.
roseoquercina |
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5. Hyphae and hymenial elements without
clamps (or clamps are very rare). Strictly associated
with conifers. Cheilocystidia apically broadly rounded:
M. purpureofusca |
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