plate: 32 
Helminthosporium Cyclops 
A. —Culture of H. cyclops on Beijerinck’s agar, 20 days after inoculation, showing 
subspherical sclerotia imbedded in substratum, discrete fructifications scattered 
sparingly over surface of substratum, fluffy mycelial growth near point where inocu¬ 
lum was planted, and three compound fructifications in center. X 3/4* 
B. —Compound conidial fructification on Beijerinck’s agar, showing origin from 
imbedded hyphae at base (Be), sterile basal portion (Bd), conidiophore more or less 
radially arranged (Be), and growing apex (Ba) where new conidiophores are proli¬ 
ferated (Bb). X 500. 
Ca-m.—Conidia from leaves of Danthonia spicata, showing thick peripheral wall, 
conspicuous hilum, and variation in size, shape, and septation. X 500. 
Da-b.—Conidia from leaves of Danthonia spicata germinating in water by the pro¬ 
duction of two polar germ tubes.. X 500. 
Ea-c.—Conidiophores from leaf of Danthonia spicata. X 500. 
