127 
oculated were yellowish or pale straw-color, as contrasted with the white, 
uninoculated roots, and they had scant root-hairs. Under the microscope 
Fic. 16.—Lesions on unwounded wheat-seed- 
lings two days after inoculation with conidia of 
H. No. 1. The shaded portion of the shoot was 
yellow to brown. 
