Panaeolus fimicola (/’r.) Quélet ex Fries Hym. Eu- 
rop. (1874) 812. 
Use first reported: in Bol. Soc. Bot. Mex. No. 24 
(1959) 23. 
Panaeolus sphinctrinus (/’7.) Quélet ex Fries Epicr. 
syst. mycol. seu synops. Hymenomye. (1886-38) 235. 
Use first reported: in Bot. Mus. Leafl. Harvard Univ. 
7 (1939) 37 (as P. campanulatus L. var. sphinctrinus 
(F'r.) Bresadola). 
Psathyrella sepulchralis Singer, Smith & Guzman in 
Lloydia 21 (1958) 26. 
Use first reported: loc. cit. 
*Psilocybe acutissima Heim in Rev. Mycol. 24 (1959) 
106. 
Use first reported: in Les champ. halluc. du Mexique 
(1958) 166. 
*Psilocybe aztecorum Heim in Rev. Mycol. 22 (1957) 
78. 
Use first reported : in Comptes Rend. 244 (1957) 699. 
*Psilocybe caerulescens Murri// var. mazatecorum 
Heim in Rev. Mycol. 22 (1957) 78. 
Psilocybe mazatecorum Heim in Comptes Rend. 242 
(1956) 1392, nomen prov., sine diagn. lat. 
Use first reported: loc. cit. 
*Psilocybe caerulescens Murrill var. mazatecorum 
Heim fma. heliophila Heim in Heim & Wasson Les 
champs. halluc. du Mexique (1958) 141, sine diagn. 
lat. 
Use first reported: loc. cit. 
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