ILLUSTRATIONS. 



Page. 



PLATE I. Fungus gall on western yellow pine 64 



II. Daedalea quercina on oak railroad tie 64 



III. Gill-bearing fungus 64 



IV. Trametes pini fruiting bodies or. shortleaf pine 64 



V. Trametes pini fruiting bodies on lodgepole pine... 64 



VI. Ring scale in lodgepole pine caused by Trametes 



pini 64 



VII. Chalky quinine fungus fruiting body on Douglas fir. 



VIII. Chalky quinine fungus in lodgepole pine 64 



IX. Cluster of sulphur fungus fruiting bodies 64 



X. Sulphur fungus rot in the heartwood of oak 64 



XI. Fully developed fruiting body of incense cedar dry- 

 rot fungus 64 



XII. Incense cedar wood with dry rot 64 



XIII. Fresh fruiting body of Polyporus schweinitzii 64 



XIV. Fruiting bodies of red-belt fomes on western hem- 



lock 64 



XV. False tinder fungus fruiting bodies on aspen 64 



XVI. Indian paint fungus fruiting body on noble fir 64 



XVII. Indian paint fungus fruiting .bodies, showing spiny- 

 undersides 64 



XVIII. Indian paint fungus in white fir 64 



XIX. Honey fungus fruiting bodies on oak 64 



XX. Honey fungus in oak 64 



XXI. Mistletoe on incense cedar 64 



XXII. Mistletoe on lodgepole pine 64 



XXIII. Witches' brooms on yellow pine caused by mistle- 



toe 64 



XXIV. Witches' brooms on lodgepole pine caused by mis- 



tletoe 64 



5 



