THISTLE FAMILY. 787 



ALABAMA: Mountain region to Lower hills. Rich, open woodlands. Cullman 

 County, 800 feet. Tuscaloosa County (E. A. Smith}. Flowers lilac; April, May. 

 Not common. Perennial. 



Type locality: "Hab. in Canada. Pennsylvania et moutibus Caroliuae." 



Herb. Geol. Surv. Herb. Mohr. 



Erigeron philadelphicus L. Sp. PI. 2 : 863. 1753. PHILADELPHIA DAISY FLEABANE. 



Gray, Man. ed. 6, 266. Chap. Fl. 206. Gray, Syu. Fl. N. A. 1. pt. 2 : 217. Wats. Bot. 

 Calif. 1 : 321. Coulter, Coiitr. Nat. Herb. 2 : 198. 



Boreal region to Louisiauian area. Ontario and Quebec north to the arctic circle, 

 south to the eastern Gulf region, west to Oregon and California. 



ALABAMA: Over the State. Borders of woods and fields. Mobile County, abun- 

 dant. Flowers white, more or less tinged with purple; April, May. Of late years 

 becoming a troublesome wayside weed, infesting lawns and waste grounds. Bien- 

 nial. 



Economic uses: The herb, under name of ''Erigeron/' is used medicinally, as are 

 likewise E. cunadensis, E. animus, aud E. ramosus. 



Type locality : " Hab. in Canada. Kalm." 

 Herb. Mohr. 



Erigeron quercifolius Lam. Tabl. Encycl. 3 : 258, . 681, f. 4. 1823. 



SOUTHERN DAISY FLEABANE. 



Erigeron 2^tiladel2)hic(i8 Michx. Fl. Bor. Am. 2:123. 1803. Not L. Ell. Sk. 2 : 396. 



Gray, Syn. Fl. N. A. 1, pt. 2 : 217. Coulter, Contr. Nat. Herb. 2 : 198. 



Louisiauiau area. South Carolina to Florida and Texas. 



ALABAMA: Coast plain. Low grassy banks and borders of woods. Mobile 

 County. Flowers white to bluish; April. Common. Biennial. 



With the last an aggressive \veed in grass plats, meadows, etc. 



Type locality not given. 



Herb. Geol. Surv. Herb. Mohr. 



E'igeron vernus (L.) Torr. & Gray, Fl. N. A. 2 : 176. 1841. VERNAL ERIGEHON. 



Aster vtrnas.Lt. Sp. PI. 2 : 876. 1753. 



Erigeron nudicaule Miclix. Fl. Bor. Am. 2 : 124. 1803. 



Ell. Sk. 2 : 392. Gray, Man. ed. 6, 266. Chap. Fl. 206 ; ed. 3, 226. 



Carolinian and Louisianian areas. Virginia along the coast to North Carolina, 

 Florida, and eastern Louisiana. 



ALABAMA: Coast plain. Flat damp pine barrens. Flowers white; / pril to June. 

 Frequent. Perennial. 



Type locality: "Hab. in Virginia." 

 Herb. Geol. Surv. Herb. Mohr. 



LEPTILON Eaf. Am. Monthly Mag. 2 : 268. 1818. 



(CEANOTUS Raf. Fl. Tell. 2 : 50. 1836.) 

 Annual or biennial herbs. Asiatic and North American species, about 20. 



Leptilon canadense (L.) Britton in Britt. aud Br. 111. Fl. 3 : 391. 1898. 



HORSEWEED. CANADA FLEABANE. 



Eriyeron canadensis L. Sp. PI. 2 : 863. 1753. 



Gray, Man. ed. 6, 265. Ell. Sk. 2 : 397. Chap. Fl. 206. Gray, Syn. Fl. N. A. 1, pt. 

 2:221. 

 Coulter, Contr. Nat. Herb. 2 : 198. Wats. Bot. Calif. 2 : 331. 



EUROPE. NORTHERN ASIA. NORTH AMERICA, throughout the continent. 



ALABAMA: Over the State. Abundant weed. Flowers July to October. 



Type locality: " Hab. in Canada, Virginia, mine in Europa australi." 



Herb. Geol. Surv. Herb. Mohr. 



Leptilon divaricatum (Michx.) Raf. Fl. Tell. 2 : 265. 1818. 



flrit/eron divaricatus Michx. Fl. Bor. Am. 2 : 123. 1803. 



Gray, Man. ed. 6, 265. Chap. Fl. ed. 3, 226. Gray, Syn. Fl. N. A. 1, pt.2:221. 

 Coulter, Contr. Nat. Herb. 2 : 198. 



Allegheuian and Carolinian areas. Indiana. Illinois to Minnesota, Nebraska, south 

 to Colorado, Arkansas, Texas, Tennessee. 



ALABAMA : Tennessee Valley. Pastures, waste places, meadows. Franklin County, 

 Russellville. Lawrence County, Moulton. Flowers June to August. Adveutive 

 from the west, spreading and becoming a pernicious weed injurious to grass lauds. 

 Annual. 



Type locality: k< Hab. in prateusibus Illinoensibus, prope Kaskaskia." 



Herb. Geol. Surv. Herb. Mohr. 



