PLANTS OF IOWA 19 



ZlZIA, 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. bulbifera, L. Bulb-bearing Water Hemlock. 



In wet places. 

 DERINGA, Adans. 



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

 Very common in woods. 



CARUM, L. 



2575. C. carui, L. Caraway. 



In waste places, from Europe. 

 T^ENIDIA, Drude. 



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

 Common on rocky slopes. 



SIUM, L. 



2577. 8. cicutcefolium, Gmel. Hemlock Water-parsnip. 

 Common in swamps. 



LIL^OPSIS, Greene. 



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

 Infrequent. 



JBTHUSA, 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. larbinode, (Michx.) Nutt. Hairy-jointed Meadow- 



parsnip. 

 Not common. 



