PAPERS OX BIOLOGY AND AGRICULTURE 125 



3 by 314 cm. The explanation of this great variation 

 in size is nndonbtedly that the fruit bodies started de- 

 veloping during the rainy weather, and that with the 

 coming of the clear days transpiration of water became 

 more rapid than absorption and many of the frnits 

 were unable to develop to normal size. 



LITERATrBE CITED. 



1. Conard. H. S. The structure and development of Secotlum 

 agaricoides. Mycologia. 7:94-104. 1915. 



2. Kauffman. C. H. The Agaricaceae of Michigan. Michigan Geol. 

 and Biol. Surv. Pub. 26. Biol. Series 5. Vol. 1. 924 pp. vol. 2. 172 

 Pis. 1918. 



3. Moffatt, W. S. The higher fungi of the Chicago region. Part 

 1. The Hymenomycetes. Chicago Acad. Sci. Nat. Hist. Surv. Bull. 7. 

 Part 1. 156 pp. 24 Pis. 1918. 



4. Peck, C. H. New species of fungi. Bull. Torrey Bot. Club. 

 22:485-493, 1895. 



