Friesia IV, 1-2

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f a. Pileus white, sometimes turning alittIe yellow 9
8. l b. Pileus argillaeeous or white, with brown seales or fibrils 11
a. Pileus 5-8 cm, white, densely floeeoso-squamulose.
Gills broad. Spores 7-8 X 4-5p ..
9. 7. Psalliot a campestris.
b. Pileus 3-5 cm, nearly smoot h, white, turning yellow
when touched. Gills rather narrow. Spores 6- 7 X 4-5p 10
a. Stem e. 1 cm thiek, smooth above ring. Flesh thin .
7a. Psalliota campestris var. equestris.
10. b. Stem 1-2 cm thiek, above ri ng fl oeeoso-squamulose
like H ebel oma. Flesh thiek and firm .
7b. Psalliot a campestris var. [loccipes.
a. Pileus 4-8 cm, white with dark brown fibrils. Stem
stout, r at her t all, Spores 7-8.5 X 5-6 p .
11. 7e. Psalliota campestris var. [usco-pilosella,
b. Pileus 3-4 cm with sparse, small, flat, brown seales.
Stem short. Spores 7-8 X 4-5 p 12
la.
12. b.
Pileus with white baek-ground. Stem 1-1.75 cm thiek
7d. Psalliota campestris var. squamulosa.
Pileus with argillaeeous ground. Stem 1 cm thiek .
7e. Psalliota campestris var. 'tsabellina.
1. Psalliota altipes sp. n.
Fig. 9.
D i a g n o s i s. Pileus 4-7 cm, ex ovato gibboso-eonvexus, albus,
in medio saepe alutaceo-inearnatus, fere levis vel indistinete floeeulosus.
Lamellae liberae, eonfertae, tenues, sat angustae, laete rose0inearnatae,
demum fusco-brunneae, aeie fertili. Stipes 8-10 cm X
12-20 mm, sursum attenuatus, ad basim subelavatus, eavus, albus,
deorsum saepe fulvidus, fibrilloso-striatus. Annulus superus, albus,
angustus, subtenuis, simplex. Caro pilei in medio erassa, in margine
tenuis, alba. Caro stipitis fraeta sursum inearnata, deorsum subfulva.
Odor ingratus ut in Lepiota cristata.
Sporae aeervatim fuseae, 1-3-guttulatae, 6-8 X 4.5-5 p . Basidia
4-sterigmatiea, elavata, 24-32(-40) X 8-11 p. Sterigmata
3p longa. Cystidia aeiei lamellarum nulla.