52 FLORA OF MISSOURI. 



862. Lactuca scariola, L. Prickly Lettuce. 



Jackson, (Bush) " Thoroughly naturalized in St. 

 Louis during the last eight years, and has now 

 taken to the woods."— (Letterman.) 



863. Canadensis, L. 



Common. 



864. integrifolia, T. & G. 



Boone, (Tracy), Jackson, (Bush), St. Louis. (Murtfeldt). 



865. hirsuta, Muhl. 



Jackson, (Bush). 



866. Ludoviciana, DC. 



Jackson, (Bush). 



867. Floridana, Gaertn. 



Common along old fences. 



868. acuminata, Gray. 



Jackson, (Bash), St. Louis, Murtfeldt. 



869. Sonchus oleraceus, L. Sow thistle. 



Common. 



870. asper, Till. Spiny-leaved Sow-thistle. 



Common everywhere. 



871. arvensis, L. Field Sow-thistle. 



Boone, (Galloway). 



LOBELIACE^E. 



Lobelia Family. 



872. Lobelia cardinalis, L. Cardinal Flower. 



All parts, but becoming rare. 



873. inflata, L Indian Tobacco. 



Boone, (Tracy), Jackson, (Bush), Pettis, (McCluney), 

 Pike (Pech), St. Louis, (Murtfeldt). 



874. Kalmii, L. 



Knox, (Broad he ad). 



875. leptostachys, A. DC. 



Common. 



876. puberula, Michx. 



St. Louis, (Tracy). 



877. spicata, Lam. 



Common. 



878. syphilitica, L. Blue Lobelia. 



Common everywhere. 



