IOWA ACADEMY OF SCIENCE 
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96. Uromyces terebinthii (DC.) Wint. 
On Rhus toxicodendron L. 
97. Uromyces trifolii (Hedw.) Lev. 
On Trifolium pratense L, 
97%. Uropyxis amorphae (Curt.) Schroet. 
On Amorpha canescens Pursh. 
98. Puccinia asparagi D C. 
On Asparagus officinalis L. Very destructive. 
99. Puccinia coronata Cor da. 
On Rhamnus lanceolatus Pursh, Avena sativa L. 
100. Puccinia circaeae Pers. 
On Circaea lutetiana L. 
101. Puccinia caricis (Schum.) Reb. 
On Carex spp. 
102. Puccinia, convolvuli (Pers.) Karst. 
On Convolvulus sepium L. 
103. Puccinia galii (Pers.) Schwein. 
On Galium trifidum L. 
104. Puccinia graminis Pers. 
On Avena saliva L., Berberis vulgaris L., Agrostis alba L., 
Hordeum pratense L., Hordeum jubatum, Triticum vulgare 
L. Very common and destructive. 
105. Puccinia helianthi Schwein. 
On Helianthusi annuus L,, H. fuberosus L. 
106. Puccinia heliopsidis Schwein. 
On Veronia fasciculata Michx., Y. noveboracensis (L.) Willd. 
107. Puccinia hieracii (Shum.) Mart. 
On Taraxacum taraxacum (L,.) Karst. 
108. Puccinia hydrophylli Peck & Clint. 
On Macrocalyx nyctelea (L.) Kuntze. 
109. Puccinia menthae Pers. 
On Monarda fistulosa L. 
Koellia virginiana (L.) Mc.M. 
109%. Puccinia phlei-pratense Eriks & Henn. 
On Phleum pratense L. 
110. Puccinia phragmites (Schum.) Korn. 
On Spartina cynosuroid.es (L.) Willd. 
111. Puccinia polysora IJnderw. 
On Tripsacum dactyloides L. 
