. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. TIMBER STORAGE IN THE EASTERN AND SOUTHERN STATES. 11 where widespread infections of some of the worst building fungi in the country have been prevalent in the foundation timbers and stored lumber in contact with them (PL X, figs. 1 and 3). Many of the sheds over low ground have drainage canals beneath to carry away excess water, and in some instances, where the pitch of the ground is not sufficient, stagnant water may accumulate over long periods. This may cause high humidities, app
. [Bulletins on forest pathology : from Bulletin , Washington, , 1913-1925]. Trees; Plant diseases. TIMBER STORAGE IN THE EASTERN AND SOUTHERN STATES. 11 where widespread infections of some of the worst building fungi in the country have been prevalent in the foundation timbers and stored lumber in contact with them (PL X, figs. 1 and 3). Many of the sheds over low ground have drainage canals beneath to carry away excess water, and in some instances, where the pitch of the ground is not sufficient, stagnant water may accumulate over long periods. This may cause high humidities, approaching saturation, which per- mit the white cottony mycelium of wood-destroying fungi to develop rapidly over the surface of the timber. In general, it has been the experience of the writer that moisture conditions around the foundations of storage sheds are often very favor- able to decay. Leaky roofs at times be- come a source of trouble. A few instances have come to the writer's attention where comparatively small leaks have caused a considerable amount of visible, material decay in the upper parts of lumber piles. However, when we realize that in many cases the infection, on account of the short time in storage, does not have the op- portunity to cause marked deterioration, but still is present in an incipient stage ready to progress farther when placed under moist conditions, we can readily see the serious consequences which may ultimately P70F Fig. 6.—Large storage shed at Laurel, Miss., set on concrete piers, high off the ground, with ample ventilation' from all sides. This is the best type of construction. CONDITION OF STORAGE YARDS AT MILLS. GENERAL SANITATION. The vital necessity, viewed from the standpoint of decay, for abso- lute cleanliness around lumberyards is perhaps not fully appreciated by most lumbermen. The question of fire hazard, however, has led most mills to take certain steps in this direction which are of very great importance. These steps
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