Key to Psathyrella
Key to Psathyrella
Key to Psathyrella
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P. fragrans A. H. SM.<br />
9* Pleurocystidia lageniform.<br />
C. up <strong>to</strong> 45(50) mm broad. Veil scanty. Sp. 5,5-6 x 3-3,5 µm. Pl. 32,5-45 x 10-<br />
15(17,5) µm. Ch. (15)20-35(40) x 7,5-15 µm, very scattered. Around stumps.<br />
P. laevissima (ROMAGN.) SING.<br />
10 (7) Spores in front view partly triangular or strikingly round. 11<br />
10* Spores in front view elliptical or ovoid. 13<br />
11 (10) Cystidia often with deposits, blueish green in NH4OH; on wood.<br />
C. up <strong>to</strong> 50(70) mm broad. Veil strongly developed, fibrils ochraceous <strong>to</strong> brown.<br />
Sp. 6,5-8,5(10) x 4,5-6 µm, triangular and strongly phaseoliform. Pl. (35)47,5-70<br />
x 9-22,5 µm. Ch. 30-55 x 8-20 µm. Dead wood of Populus (and Fagus).<br />
P. sylvestris (GILLET) KONR. & MAUBL.<br />
(Syn.: P. populina (BRITZELM.) KITS V. WAV., P. hispida HEINEM.?, P.<br />
lepido<strong>to</strong>ides A. H. SM.?)<br />
11* Cystidia without such deposits; soil. 12<br />
12 (11) Cheilocystidia mostly lageniform.<br />
C. up <strong>to</strong> 30(45) mm broad. Veil scanty. Sp. 7-10(11) x 4,5-7,5 x 4,5-6,5(7) µm,<br />
triangular (sometimes only few) or roundly. Pl. 30-50(60) x 10-15(17,5) µm,<br />
without or with always colourless deposits. Ch. (20)25-45 x 7,5-15 µm, closely<br />
packed. Calcereous soil, meadows.<br />
P. panaeoloides (MAIRE) SVRCEK ex ARNOLDS<br />
(Syn.: P. ovatispora A. H. SM.)<br />
12* Cheilocystidia mostly lageniform.<br />
C. up <strong>to</strong> 20 mm broad. Veil scanty. Sp. 7-9 x 4,5-5,5 µm. Pl. 35-60 x 9-15 µm.<br />
Ch. 30-45 x 7,5-15 µm. Sandy soil, dunes.
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