Bui. 510, U. S. Dept. of Agriculture. 



Plate IX. 



Lumber Sanitation: Wood-Rotting Fungi.— IX. 



Pigs, land 2. — Mcrulius lachrymans: 1, A well-developed fruit body with porous moisture-conducting 

 strand (from a residence in Pennsylvania); 2, myceliiun growing over the surface of the rotten wood. 

 Figs. 3 and 4. — An unidentified fungus in a Mississipni cotton warehouse; 3, flooring rotted hy the 

 organism; 4, fruit bodies developing on other parts of the floor. (This is the same species illus- 

 trated in Plate X, figures 1 and 2.) 



