Observation 60458: Psathyrella corrugis group
When: 2010-12-07
No herbarium specimen

Notes: Pleurocystidia narrowly conical, sometimes slightly capitate. cheilocystidia utriform. Pileipellis a palisade of inflated cells with projecting setae.

Spores 8.9 – 9.8 × 4.5 – 5.6 micrometers.

Pseudorhiza absent.

Measurements:

8.93 × 4.80
9.05 × 4.83
9.21 × 5.52
9.32 × 4.54
9.51 × 5.59
9.84 × 5.56

Images

125356
125357
125358
125359
125360
125361
125362
125363
125364
pleurocystidia
125365
pleurocystidia
125366
pleurocystidia
125367
pleurocystidia
125368
cheilocystidia
125369
cheilocystidia
125370
cheilocystidia
125371
cheilocystidia
125372
cheilocystidia
125373
lamellar trama
125374
lamellar trama
125375
pileipellis
125376
pileipellis with protruding setae
125377
pileipellis with protruding setae
125378
pileipellis with protruding setae
125379
pileipellis with protruding setae
125387
Spores 1000x
125388
Spores 1000x
125389
microscopy setup

Proposed Names

-61% (2)
Recognized by sight: Yellowish stems, conical cap, lacking pseudorhiza
Based on microscopic features: Spores are far too small for P. conopilus
29% (1)
Recognized by sight: Lacking pseudorhiza
Used references: AH Smith – The North American Species of Psathyrella
Based on microscopic features: In P. gracilis the pileus trama is supposed to be regular, but the pileus trama on this collection has irregular inflated cells. AH Smith’s monograph on Psathyrella does not list any setae protruding from the cap surface, but they were rather abundant. Spores a micrometer or 2 too small for P. gracilis.
61% (2)
Eye3 Eyes3
Recognized by sight

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Great Microphotos!
By: Richard Sullivan (enchplant)
2010-12-08 01:15:35 CST (-0600)

Created: 2010-12-07 23:38:53 CST (-0600)
Last modified: 2016-09-02 22:20:52 CDT (-0500)
Viewed: 70 times, last viewed: 2016-11-30 23:25:23 CST (-0600)
Show Log