PLATE lo 
Helminthosporium giganteum 
A. —Leaf of Eleusine indica attacked by H. giganteum, showing the presence of 
numerous “eye-spot” lesions and the withering of the tip as a result of the disease. 
X I. 
B. —Portion of leaf of Eleusine indica, showing eye-spot lesions in various stages of 
development. X 2. 
Ca-d.—Normal conidia from leaf of Eleusine indica, showing variation in size and 
shape and presence of conical protuberance at base. The conidium Cc represents 
approximately the maximum length attained by spores of the fungus. X 500. 
Da-c.—Conidia from diseased leaf germinating in water by the production of germ 
tubes singly (Da), or in groups from the end cells (Db), or from intermediate cells 
(Dc). X 5oo._ 
Ea-b.—Conidiophores from diseased leaf of Eleusine indica showing enlarged base 
and spacing of septa and of scars. X 500. 
