492 BULLETIN 168. 



to consult some one who does know the plants, or who has the 

 means of determining them. In such cases, the Botanical 

 Division of this Station is ready to assist in the identification. 

 Directions for collecting and mailing specimens are given in the 

 present bulletin. With some attention to this subject there is no 

 reason why, in America, mushrooms should not form as important 

 an article of food as they do in parts of the Old World. 



Professor Atkinson has made a large number of photographs 

 of the edible and poisonous mushrooms, as well as of those wood 

 destroying species so destructive to timber and forest trees. 



I. P. ROBERTS, Director. 



