900 Wisconsin Academy of Sciences, Arts, and Letters . 
DOASSANSIA INTERMEDIA Setch. 
On Sagittaria latifolia 
DOASSANSIA DEFORMANS Setch. 
On Sagittaria latifolia 
DOASSANSIA ALISMATIS (Nees) Cornu 
On Alisma Plantago-aquatica 
DOASSANSIA RANUNCULINA Davis 
On Ranunculus delphinifolius 
TRACYA LEMNAE (Setch.) Syd. 
On Spirodela polyrhisa 
UREDINALES 
PUCCINIACEAE 
The Roman numerals I, II, III are used to indicate the aecial, 
uredinial and telial states respectively. 
UROMYCES SPARGANII Cke. & Pk. 
On Sparganium eurycarpum III. 
UROMYCES HALSTEDII De Toni 
On Leersia virgmica II, III. 
UROMYCES MINIMUS Davis 
On Muhlenbergia sylvatica II. III. 
UROMYCES ACUMINATUS Arth. 
On Spartina michauxiana II, III. 
Steironema lanceolaium I. 
Phlox pilosa I. 
Polemonium reptans I. 
UROMYCES AMPHIDYMUS Syd. 
On Glyceria septentrionalis II, III. 
UROMYCES ELEOCHARIDIS Arth. 
On Eleochans palustris II, III. 
\ 
UROMYCES SCIRPI Burr. 
On Scirpus fluviatilis II, III. 
Cicuta maculata I. 
hull) if era I. 
Slum cicutaefolium I. 
