[Vor. 1, 1914] 
260 ANNALS ОҒ THE MISSOURI BOTANICAL GARDEN 
ExPLANATION OF PLATE 
PLATE 8 
Trunk disease of lilac due to Polyporus versicolor 
Fra. 1. View of two diseased Шас trunks showing the sporophores of Polyporus 
versicolor, and the manner in which living branches grow from diseased trunks. 
Fra. 2. Sections of an old diseased lilac trunk showing the decayed heart-wood. 
