TIMBER STORAGE IN THE EASTERN AND SOUTHERN STATES. 



These bodies may be borne on short stalks on the mycelial threads 

 (conidia), or the mycelium itself may break up into short cells 

 (oidia), or specialized thick-walled cells (chlamydospores) may form 

 within the mycelium. The last kind of spore, on account of its 

 thicker wall, is adapted to withstand unfavorable weather conditions ; 

 the two former kinds are usually thin walled, minute, and readily 

 blown about by the wind. 



With these fundamental facts in mind, let us now turn to a discus- 

 sion of the present conditions under which timber is stored and see 

 wherein these conditions contravene the known facts regarding the 

 development and 

 spread of decay-pro- 

 ducing fungi. 



HANDLING TIMBER 

 AT SAWMILLS. 



The practice at 

 different sawmills va- 

 ries widely. A few 

 of the larger mills, 

 particularly in the 

 longleaf -pine belt, put 

 almost their entire 

 cut through the dry 

 kiln and then store it 

 under closed sheds. 

 This practice is to be 

 highly commended, 

 and if the storage 

 sheds are well 

 drained and properly 

 ventilated beneath, no 

 trouble from fungi 

 shoul d be experienced. 



However, comparatively few mills have the facilities for handling 

 their product in this approved fashion, and the great majority have 

 kiln capacity for only the B and better grades of lumber. The re- 

 mainder of the output is piled in the open yard (fig. 1), the higher 

 grades of lumber often being dipped in sodium bicarbonate or sodium 

 carbonate to prevent blue stain. 



Some few mills of the poorer class and smaller type dispense with 

 both kiln drying and dipping and pile their entire green stock in the 

 open yard. The few mills of this type which the writer has visited 

 are usually also, very lax in their methods of piling and of yard 

 sanitation. 



P62F 



Fig. 1. — Bird's-eye view of a clean lumber-mill yard i 

 Arkansas, showing the usual method of open storage. 



