84 
IOWA ACADEMY OP SCIENCES. 
MENISPERMACE^. 
Menispermum canadense L. Along sandy river banks, rare. 
BERBERIDACE^. 
Caulophyllum thalictroides Michx. Woods, frequent. 
Podophyllum peltatum L. Woods, common. 
NYMPH^ACE^. 
Nymphcea odorata Ait. Ponds, infrequent. 
Nuphar advena Ait. Ponds, infrequent. 
PAPAVERACE^. 
Sanguinaria canadensis L. Woods, common. 
PUMARIACEvE. 
Dicentra cucullaria Torr. Woods, common. 
D. canadensis Gvij. Woods, rare. Fruit collected here in 
1894^byMiss Etna Burrette. Only reported elsewhere in Iowa 
by Mr. E. W. T>. Holway, at Decorah. Single spot a few rods 
square known here. 
CRUCIFERtE. 
Dentaria laciniata Muhl. Woods, common. 
Gardamine rliomhoidea D. C. Wet ground, common. 
C. hirsuta L. Wet ground, frequent. 
Arabis loevigata Poir. Wooded hillsides, rare. Leaves 
usually entire except those at the base. 
A. canadensis L. Open woods, frequent. 
A. dentata Torr. and Gray. River banks, frequent. 
Draba caroliniana Walt. Waste ground, infrequent. 
D, caroliniana dll. , micrantha Grduj. Waste ground, 
common. 
Nasturtium officinale R. Br. Streams and springs, rather 
rare. 
N palustre D. C. Wet ground, frequent. 
N armoracia Pries. Escaped, rare. 
Hesperis matronalis L, Escaped , rare. 
Erysimum cheiranthoides L. Low ground, infrequent. 
Sisymbrium canescens Nutt. A single spot known here in a 
sandy opening. 
S. officinale Scop. Waste ground, common. 
Thehjpodium pinnatifidum Watson. River banks, rare. 
Brassica nigra Koch. Waste ground, common. 
Capsella bursa-pastor Is Moench. Waste ground, common. 
Lepidum intermedium Gray. Waste ground, common. 
