PLATE 12 
A-J.—Characteristic spores of Monochaetia sp., from acervuli of the inoculations of 
February 25,1916. 
K-P.—Departures from the standard type with regard to number of cells. 
Q-W.—Variant types in the matter of apical appendages. 
X, Y.—Conidiophores with young and old condia. 
Z, A', B / .—Germinations of condia. 
C '.—Chlamydospore formation in an old hanging drop culture. 
