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



Plate X. 



Lumber Sanitation: Wood-Rotting Fungi.— X. 



Figs. 1 to 4. — A severe infection of an unidentified fungus in an Alaljama lumber yard: 1, Open shed 

 where the fungus has progres.scd upward to the second bin, 5 feet from the ground; 2, corner of closed 

 shed on the same premises where rolls of tarred roofing paper resting on the floor (not shown in the 

 picture) were severely rotted at the ends; 3, the shed shown in figure 1, showhig how the infection 

 started by piling too close to the ground over a cinder fill; 4, tlie sameshcd aflcrthe lower bins had 

 been raised in an etlort to control thespr(vad of tlio rot. Fig.s. Sand d.—Pcnioplwm giganlca: 5, Inter- 

 mixed with molds and developing on moist pine shingles in a clo«e pile in a Tennessee retail yard 

 (growth, which an antiseptic dip at the mill would have prevented, had started during transit), 

 6, the mature stage growing on a pine log. 



