Bui. 25. Oiv. Ve|, Phys. & Path., U. S. Dept. of Agriculture. 



PLATE VIII. 



FIG. 1. FIG. 2. 



Fig. 1 EARLY STAGE AND FIG. 2 LATE STAGE OF DECAY OF LARCH CAUSED BY 

 TRAMETES PINI FORMA ABIETIS 



