Bui. 1380, U. S. Copt, of Agriculture 
Plate III 
K t / 
DU* 
a m 
Diseases of Hevea 
A, Young mycelium of Polyporus lignosus beneath and on the outer surface of roots; B, Septo- 
basidiumonstem; C, horsehairlike strands of Marasmius; D, small spherical cortex nodules 
in and on the bark. (Nearly natural size) 
