SUB-CLASS II. DICOiYLEDONES. 205 



Campanula aparinoides Pnrsh. Marsh Hellflower. In grassy 

 swamps. Not common. Eesper. 



Campanula americana h. Tall Bellflower. On moisl wooded 

 hanks and slopes. Common. Hesper, Canoe creek, etc. 



Specularia perfoliata (L.) A. DC Venus' Looking Glass. 

 On dry slopes, etc. (Fitzpatrick.) 



Lobelia spicata Lam. Pale Spiked Lobelia. In dry open 

 places. (Fitzpatrick.) 



Lobelia leptostachys A. DC. Spiked Lobelia. In dry prairie. 

 Not common. Calmar. 



Lobelia inflata L. Indian Tobacco. Common in dry and 

 waste places. Decorah (Goddard), Highlandville, Ft. Atkinson. 



Family 3. Cichoriacea . 



Cichorium intybus L. Chicory. A roadside weed, locally 

 common. Decorah. 



Adopogon virginicum (L.) Kuntze. (Krigia amplexicaulis 

 Nutt.) Cynthia. Common in upland woods. Hesper, Decorah. 



Taraxacum taraxacum (L.) Karst. (T. officinale Web.) 

 Dandelion. A common introduced weed. Calmar, etc. 



Sonchus asper (L.) All. Spiny Sow-thistle. A common in- 

 troduced weed. Decorah, Hesper, etc. 



Lactuca scariola L. Prickly Lettuce. An introduced weed, 

 spreading rapidly. Calmar, Hesper. 



Lactuca canadensis L. Wild Lettuce. On moist prairies, etc. 

 Common. Calmar. 



Eieracium canadense Michx. Canada Hawkweed. Common 

 in dry woods, etc. Bluffton, Canoe creek. 



Heiracium scab rum Michx. Rough Hawkweed. On rather 

 open wooded slopes. Hesper, Ft. Atkinson. 



Nabalus albus (L.) Hook. (Prenanthes alba L.) Rattle- 

 snake-root. Common in rocky woods. Decorah, Hesper. 



Nabalus racemosus (Michx.) DC. (Prenanthes racemosa 

 Michx.) Glaucous White Lettuce. On moist prairies. Ft. Atkin- 

 son, Orleans Twp. 



Family 4 . Amb rosiaceoe, 



Iva xanthiifolia (Fresen.) Nutt, Burweed; Marsh Elder. Tn 

 moist prairie soils, becoming a common weed. Decorah, Ft. 

 Atkinson. 



