XX SOCIETE MYCOLOGTQUi:. 



Jensen. — Effect ol decomposing organic matter on the 

 solubility of certain inorganic constituants of 

 the soil. 



— Composition of Citrus leaves at varions stages of 



mottling. 

 PoPENSE. — The poUination of the Mango. 

 RoBERTS. — Contrôle of peach bacterial spot in southern 

 orchards. 

 — Apple blotch and its control. 



RosENBAUM et Shapavolov. — A ne"w strain of Rhizoctonia 



Solani on the potato. 

 Smith. — A ne^v disease of wheat. 

 Stkvens et WiLGOx. — Rhizopus-rot of strawberries in 



transit. 

 Stockberger et Collins. — The présence ol arsenic in 



hops. 

 Thomas. — A comparison of several classes of american 

 "wheats and a considération of some factors 

 influencing quality. 



— Characteristics and quality of montana-grown 



wheat. 

 Weir. — A needle blight of Douglas fir. 

 WiSE et Walters. — Isolation of cyameric acid from soil. 



Champignons exposés : 



CoUybia maculata. 

 Russula xerampelina. 

 Entoloma lividum. 

 Gomphidus viscidns. 

 Cortinarius alboviolasceun. 

 Geaster rufescens. 



Envoyés par M. Michel, de Fontainebleau. 



Amanila citrina. 



Lnctarius theiogalus. 



C.antharellus tubœformis. ■ ^ 



Craterellus cornucopioides. 



Boletus scaber. 



Puccinia Lampsanx sur Lampsana communis. 



Puccinia Circxae sur Circxa lutetiana. 



