PLANTS OF IOWA 221 



2867&. C. americana, L. Tall Belleflower. 



On moist wooded banks and slopes. Common. 

 Speculara, Heist. 



2868. S. perfoliata, (L.) A. DC. Venus' Looking-glass. 

 On dry slopes. 



Lobelia, L. 



2869. L. cardinalis, L. Cardinal-flower. 

 Low ground; frequent. 



2870. L. syphilitica, L. Great Lobelia. 

 Common in moist soil. 



2871. L. spicata, Lam. Pale Spiked Lobelia. 

 In dry open places. 



2872. L. spicata hirtella, A. Gray. Rough Lobelia. 

 Infrequent. 



2873. L. leptostachys, A. DC. Spiked Lobelia. 

 In dry prairie; not common. 



2874. L. inflata, L. Indian Tobacco. 

 Common in dry and waste places. 



2875. L. pubula, Michx. Downy Lobelia. 

 Moist soil. 



CICKORIACE^. CHICORY FAMILY. 

 ClCHORITJM, L. 



2876. C. inhjbus, L. Chicory. 



A roadside weed; common. 

 Adopogon, Neck. 



2877. A. virginicum, (L.) Kuntze. Cynthia. 

 Common in upland woods. 



2877a. A. dandelion, (L.) Kuntze. Dwarf Dandelion. 

 Tragopogon, L. 



2878. T. pratensis, L. Yellow Goat's Beard. 

 In fields and waste places; from Europe. 



2878a. T. porrifolius, L. Oyster-plant. 

 Escaped from gardens. 

 Taraxacum, Hall. 



2879. T. taraxacum, (L.) Karst. Dandelion. 

 A common introduced weed. 



