Psalliota 
W 
Pi leu s up to 5.5 cm, disc glabrous, Prout’s brown, rest fibri- 
llosd scaly expanded; gills free, pinkish very close, broad; 
annulus double membranes 1,5 mm broad, white tinged with brown; 
stipe 6-10 cm x 7 mm ending ina bulb with a flat margin (cf. Ps 
abruptibulba) suggestive of anevanexcent volva (especially in young 
specimens) silky white becoming slightly brown where handled. 
Decaying leaf mould 
Specimens examined; 
Costa Rica: San Jose, Rancho Redondo 2400 m. Dodge & Thomas 
5376 
