I L L U S T R A T I N S . 



PLATES. 



Page, . 



Plate I. Fig. 1. — Sporopliores of Lenzites sepiaria on the end of a longleaf pine 

 log. Fig. 2. — Sporopliores of Lenzites sepiaria, showing under 



surface 40 



II. Fig. 1. — Early stage of decay caused by Lenzites sepiaria. Fig. 2. — 



Medium stage of decay caused by Lenzites sepiaria 40 



III. Fig. 1. — Late stage of decay caused by I>enzites sepiaria. Fig. 2. — 



Plug used in inoculation. Fig. "3. — Sporophores of Lenzites sep- 

 iaria in season cracks 40 



IV. Pure culture of Lenzites sepiaria on longleaf pine block 40 



TEXT FIGURES. 



Fig. 1. Cross section of living tree of Picea engelmanni, showing parasitic ac- 

 tion of Lenzites sepiaria 13 



2. End of a new pine railroad tie, showing many sporopliores of Lenzites 



sepiaria 22 



3. Lower end of telephone polo, showing decay at tiie surface of the 



ground while it is i)raelically sound a short distance above 25 



214 



6 



