102 • AGRICULTURAL COLLEGE. [No. 17. 



Evening Primrose. (Enothera biennis, L. 



Ames ; Indianola ; Burlington. 



CEnothera serrulata, Nutt. 



Ames ; Charles City. 



Ludwigia polycarpa, Short & Peter. 



Ames. 



LYTHRACEJE. 



Loosestrife. Ly thrum alatum, Pursh. 



Ames ; Grinnell ; Charles City. 



CUCURBIT ACE M. 



One-seeded Cucum- Sicyos angulatus, L. 



Ames, on Des Moines river. 



Wild Balsam Apple. Echinocystis lobata, Torr. & Gray. 



Ames ; Charles -City. 



UMBELLIFER-E. 



Black snakeroot. Sanicula Marilandica, L. 



Ames. 



Button Snakeroot. ^ . « v -««- i 



Eryngmm yuccseiolmm, Michx. 



Ames ; Grinnell ; Charles City. 



cow Parsnip. Heracleum lanatum, Michx. 



Ames ; Grinnell ; Fayette. 

 Common Parsnip, -r, , . , . T 



Pastmaca sahva, L. 



Escaping from cultivation at Ames. 



cow bane. Archemora rigida, DC. 



Ames; Charles City. Plant poisonous. 



Archangelica atropurpurea, IiorTm. 



Ames ; Charles City. 

 Meadow Parsnip. Thaspium aureU m, Nutt 



Ames ; Grinnell ; Charles City. 



Zizia integerrima, DC. 



Ames ; Burlington. 



Cryptota3nia Canadensis, DC. 



Ames. 



Chaerophyllum procumbens, Lain. 

 Ames. 



Great Angelica. 



llonewort. 

 Chervil. 



Smoother Sweet ~ , . , . ,,. T> . r ^ 



Cicely. Osmorrluza longistylis, DC. 



Ames. 



