Friesia IV, 1-2

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acidulous. Cystidia on edge not distinctly developed, the gill edge
being set with numerous cells of the form and size of basidia, as
well as with fertile basidia. Spores egg-shaped. Schåffer reaction
negat ive or faint. In meadows or woods.
1.
2.
KEY TO SPECIES
f a. Stem rather t all, often hoUow, cylindrical or thicker
at base. Pileus whitish. In woods on dead needles or
leaves .
b. Stem short, pithy, often attenuated downwards. Pileus
white, brown, or with a lilac tinge. In meadows or fieIds
amongst grass .
a. Pileus ovato- or campanulato-convex, not turning yellow
when touched. Flesh smelling like Lepiota cristata. Late
species .
b. Pileus more plano-convex, turning more os less yellow.
Smell slightly acidulous. Early species .
la.
3. b.
r-
4. l b.
J a.
5. l b.
6.
{
a.
b.
r a.
7. ( b.
Ring simple. Pileus nearly smooth. In coniferous woods
1. Psalliota altipes.
Ring double. Pileus squamulose. In deciduous woods ...
2. Psalliota decorata.
Pellicle becoming faintly yellow when touched .
3. Psalliota aestivalis.
Pellicle becoming vividly yellow ..
3a. Psalliota aestivalis var. flavotacta.
Pileus dark (brown or grey), often with a lilac tinge .
Pileus lighter coloured .
Pileus greyish. Spores 6 X 4-5 p . .. o o .
4. Psalliota livido-nitida.
Pileus brownish red or dark brown with a lilac tinge o"
Pileus porphyry brown, smooth, fibrillose. Stem thicker
downwards. Spores 5-7 X 3.25-4.5 p. .. .
5. Psalliota porphyrea.
Pileus lilac or purplish brown, floecoso-squamulose.
Stem often thinner downwards. Spores 7-9 X 4-5 p .
6. Psalliota cupreo-brunnea.
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