Bui. 1053, U. S. Dept. of Agriculture. 
Plate VI, 
Fig. I. — Dissemination of Basidiospores of Trametes Serialis by 
Imperceptible Currents of Air in a Closed Pit. 
The sporophore at A naturally dropped spores downward, but in the closed pit there were air 
currents of sufficient magnitude to carry the spores upward to be deposited at points marked 
B. (X|.) 
Fig. 2. — Dissemination of Trametes Serialis. 
Basidiospores of Trametes scrhdis on the leg of a sow biigcaugb.1 in condensation water beneath 
the sporophore in fungus pit at Madison, Wis. (x 250.) 
