756 PLANT LIFE OF ALABAMA. 



Nabalus altissimus (L.) Hook. Fl. Hor. Am. 1 : 294. 1834. TALL WHITE LKTTK K. 



Prenanthen altissima L. Sp. PI. 2 : 797. 1753. 



P. deltoidea Ell. Sk.2:257. 1824. 



Ell. Sk. I.e. Gray, Man. ed. 6, 302. Chap. Fl. 251. Gray, Syn. Fl. X. A. 1, pt. 2:434. 



Canadian to Carolinian area. Newfoundland, Ontario, and New England; Ohio 

 Valley to Missouri and Arkansas, and from New York south along the mountains to 

 Georgia. 



ALABAMA: Mountain region. Lower hills. Rich woodlands. Cleburue County 

 (Dr. E. A. Smith). Tuscaloosa County, August, September. 

 Type locality: " Hab. in Virginia, Canada." 

 Herb. Geol. Surv. Herb. Mohr. 



SONCHUS L. Sp. PI. 2 : 793. 1753. 



Forty-five species, temperate Europe. Annual weeds diffused in North America, 4. 

 Soiichus asper (L.) All. Fl. Pedem. 1:222. 1785. PRICKLY SOW-TIIISTLK. 



Sonchun oleracen* var. asper L. Sp. PL 2 : 794. 1753. 



S. carolinianus Walt. Fl. Car. 192. 1788. 



S. sphnilosus Bigel. Fl. Boat. ed. 2, 290. 1824. 



Ell. Sk. 2 : 255. Gray, Man. ed. 6, 305. Chap. Fl. 253. Coulter, Contr. Nat. Herb. 

 2 : 250. 



Canadian zone to Louisianian area. Over the continent from Canada to Florida 

 and British Columbia to California. 



ALABAMA: Over the State. Common weed in cultivated and waste ground. 

 Flowers March to June. Annual. 



Type locality: "Hab. in Enropae cultis." 



Herb. Geol. Surv. Herb. Mohr. 



Sonchus oleraceus L. Sp. PI. 2 : 794. 1753. COMMON SOW-THISTLE. 



Ell. Sk. 2 : 254. Gray, Man. ed. 6, 305. Chap. Fl. 253. Coulter, Coutr. Nat. Herb. 



^ ' >''. 



Distribution as in the last. 



ALABAMA: With the above. February to July. Annual. 



Type locality : " Hab. in Enropae cultis." 



Herb. Geol. Surv. Herb. Mohr. 



Soiichus tenerrimus L. Sp. PI. 2 : 794. 1753. 

 SOUTHERN EUROPE. 



Adventive on ballast in South Carolina and southern California. 

 ALABAMA: Mobile County, fugitive on ballast. Rare. Annual. 

 Type locality: <4 Hab. in Mouspelii, Florentiae." 

 Herb. Geol. Surv. Herb. Mohr. 



AMBROSIACEAE. Ragweed Family. 

 IVA L. Sp. PL 2 : 988. 1753. 



About 12 species, North American. Atlantic, 5. 

 Iva ciliata Willd. Sp. PL 3 : 2386. 1804. ANNUAL MARSH ELDER. 



Iva annua Michx. Fl. Bor. Am. 2 : 184. 1803. Not L. 



Gray, Man. ed. 6, 272. Gray, Syn. Fl. N. A. 1, pt. 2 : 246. Coulter, Contr. Nat. Herb. 

 2 : 208. 



Alleghenian to Louisianian area. Illinois west to Nebraska, southern Arkansas, 

 northwestern Louisiana, Texas, and New Mexico. 



ALABAMA: Coast plain. Mobile County. In cultivated fields. Adventive with 

 grain seed from the West. Flowers in July. The form with elongated floral bracts. 

 Annual. 



Type locality : " Hab. in America boreali." 



Herb. Mohr. 



Iva imbricata Walt. Fl. Car. 232. 1788. SEASIDE MARSH ELDER. 



Ell. Sk. 2 : 475. Chap. Fl. 222. Gray, Syn. Fl. N. A. 1, pt. 2 : 246. 



Louisianiau area. North Carolina to Florida and Mississippi. 



ALABAMA: Littoral region. Damp sandy beach. Mobile County, West Fowl 

 River. Flowers greenish yellow. Infrequent. A shrubby evergreen with succulent 

 leaves. Perennial. Shrubby at the base. 



Type/ locality : South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



