PLANTS OF IOWA 199 



Zizia, Koch. 



2571. Z. aurea, (L.) Koch. Golden Meadow Parsnip. 

 In rather moist, open places. 



2572. Z. cordata, (Walt.) DC. Heart-leaved Alexanders. 

 In woods. 



Cicuta, L. 



2573. C. maculata, L. Water Hemlock. 

 In rather moist, open places. 



2573a. C. bulb if era, L. Bulb-bearing Water Hemlock. 

 In wet places. 

 Deringa, Adans. 



2574. D. canadensis, (L.) Kuntze. Honewort. 

 Very common in woods. 



Carijm, L. 



2575. C. carui, L. Caraway. 



In waste places, from Europe. 

 T^nidia, Drude. 



2576. T. iniegerrima, (L.) Drude. Yellow Pimpernel. 

 Common on rocky slopes. 



Sium, L. 



2577. S. cicutafolium, Gmel. Hemlock Water-parsnip. 

 Common in swamps. 



LiLiEOPSis, Greene. 



2578. L. lineata, (Michx.) Greene. Lilaeopsis. 

 Infrequent. 



JEthusa, L. 



2579. A. cypnapium, L. Fool's Parsley. 

 Introduced from Europe. 



Fceniculum, Adans. 



2580. F. fceniculum, (L.) Karst. Fennel. 

 Introduced from Europe. 



Thaspium, Nutt. 



2581. T. barbinode, (Michx.) Nutt. Hairy-jointed Meadow- 



parsnip. 

 Not common. 



