Observation 95244: Psilocybe mexicana R. Heim
When: 2011-10-25
Herbarium specimen reported

Notes: Purchased from a shaman.

Probably found in a landslide.

This collection is new to science due to the large spore size.

Taste and odor farinaceous. Staining blue where damaged.

Spores (8.75) 9 – 10 (10.25) x 5.5 – 6 × 5 – 6 μm.

Pleurocystidia present and inconspicuous, often with an apex 4 – 6 μm. (12) 13 – 16 (19) x (5) 8 – 12 μm.

Cheilocystidia present, difficult to find, some with an acute apex and others with a broad apex.

Lamellar trama regular with irregular elements interspersed, 20 – 40 × 6 – 18 μm.

Pileus trama subglobose.

Images

220858
IMG_0348.JPG
220859
IMG_0350.JPG
220860
IMG_0353.JPG
220861
IMG_0354.JPG
220883
IMG_0425.JPG
This collection is in the middle
220888
IMG_9990.JPG
Specimen ready for microscopy
220889
IMG_9992.JPG
Pileus cross section, pileus trama visible
220890
IMG_9994.JPG
Pleurocystidia 1000x
220891
IMG_9998.JPG
Pleurocystidia 1000x
220892
IMG_0008.JPG
Pleurocystidia 1000x
220893
IMG_0010.JPG
Pleurocystidia 1000x
220894
IMG_0016.JPG
Cheilocystidia 1000x
220895
IMG_0018.JPG
Cheilocystidia 1000x
220896
IMG_0021.JPG
Cheilocystidia 1000x
220897
IMG_0004.JPG
Lamellar trama
220898
IMG_0005.JPG
Lamellar trama
220899
IMG_9999.JPG
Spores 1000x
220900
IMG_0011.JPG
Spores 1000x
220901
IMG_0012.JPG
Spores 1000x
220902
IMG_0013.JPG
Spores 1000x
220903
IMG_0014.JPG
Spores 1000x
220904
IMG_0022.JPG
Microscopy notes

Proposed Names

31% (2)
Used references: Guzmán, Escalona, Ramírez-Guillén & Jacobs, International Journal of Medicinal Mushrooms (Redding) 6(3): 281 (2004)
Based on microscopic features: Spore size match, pleurocystidia shape match and size is similar. Cheilocystidia shape match.
Based on chemical features: Staining blue where damaged
80% (2)
Eye3 Eyes3
Recognized by sight
Based on microscopic features: Spores (7.7-) 8.8–9.9 (-12) x (5.5-) 6.6-7.7 (8.2) × 6–7 μm

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

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
awesome.
By: Richard and Danielle Kneal (bloodworm)
2012-05-21 17:08:32 CDT (-0400)

do you have any micro to post?

Created: 2012-05-21 17:01:06 CDT (-0400)
Last modified: 2013-03-30 16:21:39 CDT (-0400)
Viewed: 212 times, last viewed: 2016-06-11 18:06:07 CDT (-0400)
Show Log