62 Trans. Acad. Sci. of St. Louis. 



P. PAPiLiONACEUS, Pk. (P. — 372). Common. Usually on 

 manured ground. Quite variable in color and size. 

 Mus. Kep. 23, p. 101. 



Spores, 1 1.5-14.5 X 7-9 /A. Acute ends. 



COPRINUS. 



C. MiCACEUs, Fr. (200). 



Common and abundant, April to Nov., grows in tem- 

 perature under 52°. At stumps and trees. Delicate. 

 Mus. Kep. 23, p. 104. 



Spores, G-9 X 6-6/i. 



C. COMATUS, Fr. (321). 



Common. On rich or filled ground, throughout the 

 season. Excellent. Mus. Rep. 23, p. 103. 

 Spores, 9-11 X 7-9 A*- 



C. ATRAMENTARIUS, Fr. (507). 



Not as frequent as the preceding. Edible. 



Spores, 7-9 X6i"- 



C. SQUAMASUS, Morg. (195). 



Forest park, Aug. 8, 1899; June 3, 1900. On very 

 rotten trunk. Quality inferior to the two preceding 

 species. Jour. Cin. Soc. Nat. Hist., Vol. 6, p. 173: 

 pi. 8. 



Spores, |7-9 X 6-6-«- 

 C. QUADRIFIDUS, Pk. (P. —380). 



Maline Creek, a colony, on heap of flooded rubbish; 

 July 17, 1899; Creve Coeur, July 14, 1904, on wood. 

 Mus. Rep. 50, p. 106. 



Spores, 7-9 X 4-4.5^1. 



C. PLicATiLis, Fr. ? (196). 



O'Fallon park; on grassy ground. 

 Spores, 11.5-14.5X9-10^- 



C. EPHEMERUS, Fr. ? (1178). 



On lawn. Ep. 252. 

 Spores, 14-19 X 9-"- 



