Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
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Transcription
Psilocybe
Pileus striate sulcate, expanded, conic, 4 cm disc chestnut
brown, rest avellaneous; gills adnate, ventricose, close deep
avellaneous; stem fragile cartilaginous, hollow, white stained
brownish where handled, 8 cm x 2.5-3 mm
Specimens examined
Costa Rica:San Jose Rancho Redondo 2150-2400m F Dodge &Thomas 5082