Hig. 
39 
Figs. 
LIST OF ILLUSTRATIONS. 
PLATE 
1, An infected portion of a maize leaf showing spots formed by Helminthes- 
porium turcicum Pass. (natural size). 
2. A portion of male inflorescence of maize infected with Helminthosporium 
(natural size). 
3. A leaf of gowar showing spots due to Helminthosporium (natural size). 
Puate II. 
1. H. turcicum Pass. on maize. Germination of a spore drawn after 48 
hours. X 186. 
2&3. H. turcicum Pass. on maize. Germination of a spore drawn after 
18 hours. x 440. 
4. H. turcicum Pass. on maize. Germination of a spore drawn after 18 
hours. 640. 
5. H. turcicum Pass. on maize. Germination of a spore drawn after 18 
hours. A continuous tube is formed by the disappearance of septa 
and germ tube is coming out. 640. 
6. H. turcicum Pass. on maize. All the septa have been disorganized before 
the protrusion of germ tube. x 460. 
7-13. H. turcicum Pass. Spores from Pusa maize leaf. x 460. 
14-17. H. turcicum Pass. Spores from Burma maize leaves. 460. 
18 & 19. Conidiophores seen in a transverse section of an infected maize 
leaf. In Fig. 18, all the conidiophores are coming out by piercing 
an epidermal cell near a guard cell. In Fig. 19, a conidiophore 
coming out by piercing the epidermis and cuticle is shown. 
x 640. 
20. Conidiophore. Section froma natural infected maize leaf. Conidiophore 
coming out by piercing the epidermis and cuticle. 640. 
21. A section showing conidiophores coming directly from an epidermal 
cell of a maize leaf. x 640. 
92-95. Spores of H. turcicum Pass. from a diseased maize leaf from 
Almora x 700. 
24] 
