IOWA ACADEMY OF SCIENCES. 
97 
SOLANACE^. 
Solanum trijiorum Nutt. A single plant collected along the 
Volga river in 1895. Not before reported in Iowa. 
S. nigrum L. Low ground, common. 
8. heterodoxum Dunal. Growing along a street in Fayette. 
Doubtless introduced. Not before reported in Iowa. 
Phy sails pliiladelphica L. A single plant collected in a field in 
1896. 
P. puhescens L. Waste ground, common. 
P. virginiana Mill. Waste ground, frequent. 
P. lanceolata Michx, Waste ground, infrequent. 
Datura stramonium L. Waste ground, infrequent. 
D. tatula L. Waste ground, infrequent. 
SCROPHUL ARIACE^. 
Verhascum thapsus L. Waste ground, frequent. 
Linaria vulgaris Mill. Waste ground, infrequent. 
Scrophularia nodosa L. var. marilandica Gray. Low prairies, 
common. 
Ghelone glahra L. Wet ground, frequent. 
Mimulus ringens L. Wet ground, common. 
Gonobea multijida Benth, A single plant collected in 1891. 
Reported by J. C. Arthur from Lee county. 
Gratiola virginiana L. Low ground, frequent. 
Jlysanthes riparla Raf. Wet ground, common. 
Synthyris houghtoniana Benth. Prairies, rare. Dr. C. C. 
Parker, coll. 
Veronica virginica L. Woods and prairies, common. 
V. anagallis L, About springs, infrequent. 
F. peregrina L. Low waste ground, common. 
Gerardia auriculata Michx. Low prairies, infrequent.. 
G, purpurea L. Low ground, common. 
G tenuifolia Vahl. Dry prairies, rare. 
Gastilleia coccinea Spreng. Woods and prairies, common. 
Flowers commonly yellow on the prairies. 
G. sessiliflora Pursh. High prairies, infrequent. 
Pedicularis canadensis L, Prairies and open woods, common. 
P. lanceolata Michx. Moist woods, infrequent. 
LENTIBULARIACE^. 
Utricularia vulgaris L. Ponds, infrequent. 
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