Bui. 510, U. S. Dept. of Agriculture. 
Plate IX. 
Lumber Sanitation: Wood-Rotting Fungi.— IX. 
Figs, land 2. — Mcrulius lachrymans: 1, A well-developed fruit body with porous moisture-conducting 
strand (from a residence in Pennsylvania); 2, mycelium growing over the snrface of the rotten wood. 
Pigs. 3 and 4.— An unidentified fungus in a Mississippi cotton warehouse; 3, flooring rotted by 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.) 
