IOWA ACADEMY OF SCIENCES. 
131 
P. dumetorum L. , var. scandens Gray. 
Sioux City (B. W.). 
ARISTOLOCHIACE^. 
Asarum Canadense L. 
Cherokee (B. W.). 
EL^AGNACE^. 
Shepherdia argentea Nutt. 
Sioux City, sandy banks of Missouri river (B. W., L. H. 
P., Hitchcock, Bot. Gazette, XIV, 128). 
EUPHORBIACE^. 
Euphorbia maculata L. 
Missouri Valley, Des Moines, Turin and Onawa; waste 
places and along railroad (L. H. P.). 
E. hypericifoUa. 
Onawa (L. H. P.), Sioux City (B. W.). 
E. marginata Pursh. 
South Dakota, opposite Hawarden, hills, Missouri Valley, 
Turin and in waste places (L. H. P.), Hull (W. Newell), 
Council Bluffs (L. H. P,), Sioux City (B. W., L, H. P.). 
E. coroUata L. 
Missouri Valley (L. H. P.), Sioux City (B. W.). 
E, serpens H. B. K. 
Missouri Valley, low grounds (L. H. P.). 
E. serpyllifolia Pers. 
Turin (L. H. P.), Sioux City (B. W.). 
Var. consanguinea. 
Onawa, Turin (L. H. P.). 
E. glyptosperma Engelm. 
Missouri Valley (L. H. P.). 
Var. pubescens. 
Turin (L. H. P.). 
E. hexagona N utt. 
Missouri Valley (L. H. P.), Sioux City (B. W.). 
E. GeyeriEiagelm. 
Missouri Valley (L. H. P.) 
E. heterophylla L. 
Sioux Ciry, in woods. Council Bluffs (L. H. P.); Sioux City 
(B. W ). 
E. obtusata Push. 
Sioux City (B. W.). 
Aealypha Virginica L. 
Sioux City (B. W.) 
