PLATE 32 
A. —Section through, a mature stromatic head of Claviceps paspali , showing peri- 
thecia containing asci. X45 • 
B. —Spike of P asp alum dilatatum with mature sclerotia attached. Nearly natural 
size. 
C. —Tufts of hyphae producing sphacelial spores. X150. 
D. —Section of mass of tissue within grass spikelet during sphacelia stage of Clavi¬ 
ceps paspali ; spores are produced by tufts of hyphae along edge of section. X 50. 
E. —Sclerotium of Claviceps paspali with stromata. X 5. 
F. —Spikes of Paspalum dilatatum , showing a number of sclerotia attached. About 
one-half natural size. 
(406) 
