[Vor. 5, 1918] 
ANNALS OF THE MISSOURI BOTANICAL GARDEN 
220 
EXPLANATION OF PLATE 
PLATE 13 
All figures are 22 from camera drawings X 580. 
igs. 1 and 2. Terminal and contiguous haori cells, showing 
ыан in ісінін also protoplasmie connection 
Zoospores and direet germination 
Figs. 3 and 4. 
Fig. 5. Zoospores which have come to rest within sporangium 
