Appendix. gj 



Epilobium coloratuni, Muhl. 



Oenothera biennis. L. 



Oenothera biennis L., var muricata. Miss C. Watson. 



Oenothera biennis L., var parviflora. Miss C. Watson, 



Oen )thera fruticosa, L. 



Luclwegia palustris, Ell. 



CUCURBITCE^. 



Echinocystis lobata, Torr and Gray. River bank. 

 Umbelifer^. 



Hydrocotyle Americana, L. Near the first railroad bridge 

 West, in 1861. Dr. A. B. Lyons has since found it near the 

 foundry. 



Sanicula Canadensis, L. Rare. 



Sanicula Marilandica, L. 



Daucus Carota, L. Not common. 



Heracleum Canatum, Michx. 



Pastinaca sativa, L. 



Archemora rigida, D. C. 



Archangelica hirsuta, Torr and Gray. 



Archangel ica atropurpurea, Hoffm. Geol. Survey, i860. 



Coneoselinum Canadense, Torr and Gray. 



Thaspium aureum, Nutt. 



Zizia integerrima, D. C. 



Circuta maculata, L. 



Circuta bulbifera, L. 



Slum lineare, Michx. 



Cryptotaenia Canadensis, D. C. 



Osmarrhiza longistylis. D. C. 



Osmarrhiza brevistylis, D. C. 



Erigenia bulbosa, Nutt. 



Araliace^. 

 Aralia racemosa, L. 



Aralia nudicaulis, L. 



Aralia quinquefolia. In a ravine two miles northwest of 



Ann Arbor. 



Aralia trifolia. 



