236 DosDALL: PYCNIAL STAGE OF PUCCINIA TARAXACI 
of the leaf but are found sometimes on the blade. They are 
reddish brown in color, subglobose in shape, about 9oyv. in diameter 
and 76. in height. Ostiolar filaments are present. Uredinia 
appear on the same spots soon after the pycnia. 
