222 DAVENPORT ACADEMY OF SCIENCES. 



UMBELLIFERiE. 

 Daucus, Tourn. 



270. D. Carota, L. Carrot. 



Roadsides ; infrequent. 



Angelica, L. 



271. A. atropurpurea, L. 



Moist hillside near Low's Run, Muscatine Co. (Mackenzie). 



Tiedemannia, DC. 



272. T. rigtda, Coult & Rose. Cowbane. 

 Swampy ground; infrequent. 



Pastinaca, L. 



273. P. sativa, L. 



Waste places ; common. 



Polyteenia, DC. 



274. P. Nuttallii, DC. 



Dry sterile soil; not frtquent. 



Fceniculum, Adans. 



275. F. officinale, All. Fennel. 

 Marshy ground in West Davenport. 



Pimpinella, L. 



276. P. integerrima, Benth. & Hook. 



Rocky hillsides, West Davenport; McCausland; Wilton 

 branch of the C. R. I. & P. near Muscatine. 

 Cryptotaenia, DC. 



277. C Canadensis, DC. 

 Moist woods; infrequent. 



Sium, Tourn. 



278. S. cicutcefolium, Gmelin. 

 Swampy places ; frequent. 



Zizia, Koch. 



279. Z. aurea, Koch. 



Prairies; frequent. Blooms in April and May. 



Cicuta, L. Water Hemlock. 



280. C maculata, L. 

 Sloughs ; common. 



281. C bulbifera, L. 



McCloud's Spring, near Bayfield, Muscatine county. 



