208 NEW SUGARCANE DISEASES 



leaf diseases of sugarcane, but they cause little loss as a rule aucK 

 even in more advanced countries than India, do not seem to 

 require treatment. 



PUSA, 



August 5th, 1913. 



Desckiption of Plate VI. 

 (Helminthoaporiwn Sacc/iari Butl.) 



Fig. 1. Section through leaf of sugarcane, sliowing hypl.;i' of /Iclmint/wsjioiium 

 Sacrliari in the outer cells. X 350. 

 '2. Part of a similar section, to show passage of the hyjilue from cell to cell. 

 X 500. 



3. Infection of upper surface of leaf, from an inoculation, showing penetration 



of the outer wall of the epidermis and formation of small stromatic 

 masses in the epidermal cells. X 930. 



4. Conidiophores with young conidia. X 3.j0. 



,'). Conidia. The three upper immature, the three lower mature. X 500 

 (1. Germination of the conidia. X 500. 



Rednced conidiophore and conidium, from a pure culture, X 350. 

 8. Base of conidiophore, arising from within the epidermis and emerging across 

 the cell wall, not througli a stoma. X 500. 



.. t . 



