152 HARPER 



AMBROSIACE^. 



(All our species weeds.) 

 IVA L., Sp. PI. 988. 1753. 

 I. microcephala Nutt., Trans. Am. Phil. Soc. 7:346. 1840. 

 A roadside weed, not common, telfair (several stations), 

 Irwin (Fitzgerald), decatur. Fl. September. More com- 

 mon in Dooly, Sumter, and Mitchell Counties, in the 

 Lower Oligocene region. Also in a few places east of 

 Okefinokee Swamp, and in Florida. 

 Natural range and habitat unknown. 



AMBROSIA L., Sp. PI. 987. 1753. 

 A. artemisi^efolia L., Sp. PI. 988. 1753. Ragweed. 



In streets or around dwellings, tattnall: Collins; berrien: 



Tifton. Fl. Aug -Sept. Much commoner farther inland. 

 Widely distributed in North America, but natural range and 

 habitat unknown. 



XANTHIUM L., Sp. PI. 987. 1753. 



X. STRUMARIUM L., 1. C. CoCKLEBUR. 



Streets of Tifton, Sept. 27, 1902. Very common farther in- 

 land, where it is often a pest in cultivated fields. 



Widely distributed in Eastern North America, but natural 

 range and habitat unknown. 



LOBELIACEJE. 

 LOBELIA L., Sp. PI. 929. 1753. 

 L. cardinalis L., Sp. PI. 930. 1753. (Cardinal Flower) 

 coffee: Ocmulgee River swamp opposite Lumber City, Sept. 

 1, 1903. Fl. July-Sept. More common in the upper third 

 of the coastal plain. 

 Widely distributed in the Eastern United States, but wanting 

 over considerable areas. 

 L. glandulosa Walt., Fl. Car. 218. 1788. 



Moist pine-barrens, not rare, coffee, irwin, berrien, worth 



colquitt (166 j). Fl. Aug -Oct. 

 Virginia ( ?) to central Florida, in the pine-barrens. 

 L. flaccidifolia Small, Bull. Torrey Club 24:338. 1897. 



Swamps of creeks and coastal plain (i. e., not muddy) rivers. 



