Puccinia obtecta Peck

UNITED STATES DEPARTMENT OF AGRICULTURE,
Bureau op Plant Industry,
PATHOLOGICAL AND MYCOLOGICAL COLLECTIONS, .
Plant Disease Survey.
uccinia obtecta Pic.
On Scirpus americanus
ewes, Del.	1907
oil. and Det•, Dr• M. T. Cook and
J. J. Taubenhaus
NEW YORK BOTANICAL GARDEN
03411192