DESCRIPTION OF PLATE XIII 
DESTRUCTIVE TO LIVING TREES 
Fig. i. — Armillaria mcllca. 
Fig. 2.—Rhizomorphs of Armillaria mcllea. 
Fig. 3. —Armillaria vuicida. 
Fig. 4.— Pholiota adiposa. 
Fig. 5.— Ditto, section. 
Fig. 6.— Polyporus Schwcinitzii. 
Fig. 7.— Polyporus betulinus. 
