THISTLE FAMILY. 779 



Ell. Sk. 2:340. Gray, Man. ed. 6,255. Chap. Fl. 197. Gray, 8yii. Fl. N. A. l,pt. 

 2:17L ' ■ 



Caroliuian aud Louisianiau areas. New York and Ohio \alk'y to Tennessee; 

 North Carolina to Georgia. 



Alabama: Over the State. Damp light soil, open -woods. Lai>derdale County, 

 in the barrens. Clay County, Elders, 1,000 fiet altitude. Cullman and Mobile 

 counties. Flowers white; July, August. Not rare. 



Type locality : "Hab. in America septentrional!." 



Herb. Geol. Surv. 



Sericocarpus asteroides (L. ) B. S. P. Prel. Cat. N. Y. 26. 1888. 



Large-klowerkd Wiiitr-topped Aster. 



Conyza asteroides L. Sp. PL 2 : 861. 1753. 



Sericocarpus conyzoides Nees, Gen. & Sp. Ast. 150. 1833. 



Ell. Sk. 2 : 341. Gray, Man. ed. 6, 254. Chap. Fl. 197. Gray, Svn. Fl. N. A. 1, pt. 

 2:171. 



Alleghenian to Carolinian area. New England, northwestern New York, Minne- 

 sota, Ohio, Tennessee, aud along the mountains to Upper Carolina aud (Jeorgia. 



Alabama: Mountain region. Lower hills. Clay County, Clie-aw-ha Mountain, 

 2,400 feet altitude. Cullman County, 800 feet altitude. Tallai)oosa County, Dade- 

 ville. Lee County, Auburn. Talladega County, Renfroe, 800 feet altitude. Flow- 

 ers July, August; rays wiiite, disk Howers yellow. Frecjuent. Common on sterile 

 rocky ridges of the Metamorphic rocks. 



Typo locality : " Hab. in America septentrionali." 



Herb. Geol. Surv. Herb. Mohr. 



Sericocarpus bifoliatus (Walt. ) Porter, Mem. Torr. Club, 5 : 322. 1894. 



Mouse Ears. 



Conyza hlfoliafa Walt. Fl. Car. 204. 1788. 



Jster iortifoHiis Michx. FL Bor. Am. 2 : 109. 1803. 



Sericocarpus toriifoUtis Nees. Lien. & Sp. Ast. 151. 1833. 



Ell. Sk. 2:341. Gray, Man. ed. 6, 2.55. Chap. Fl. 198. Gray, Syn. Fl. N. A. 

 1, pt. 2 : 172. 



Carolinian and Louisianian areas. Southern Virginia along the low coiintry to 

 North Carolina and Florida, west to Louisiana. 



Alabama: Central Pine belt to Coast jtlain. Dry pine woods. Autauga County, 

 Chilton County. Lee County, Auburn (Earle). Montgomery, Clarke, and Wasbiug- 

 ton counties. Baldwin and Mobile counties. Flowers white; July to October. Fre- 

 ([uent. Common in the i)iue barrens of the Coast Pine belt. 



Type locality: South Carolina. 



Herb. Geol. Surv. Herb. Mohr. 



ASTER L. Sp. PL 2 : 872. 1753. Aster. Stakwort. 



From 200 to 250 species, recognized asv.alid; perennials. Europe, Asia, South 

 Africa; largely American. North America, 125 (Gray); Atlantic, 100. 



Aster paludosus Ait. Hort. Kew. 3 : 201. 1783. Swamp Astkr. 



Ell. Sk. 2 : 343. Gray, Man. ed. 6, 25.5. Chap. Fl. 199. Gray, Syn. FL N. A. 1, pt. 2 : 

 174. Coulter, Contr. Nat. Herb. 2 : 194. 



Carolinian and Louisianian an'as. North Carolina to Florida, west to central 

 Texas. 



Alab.\ma: Tennessee Valley. I^ower Pine region. Coast plain. Low places, 

 borders of ditches. Lawrence County, Mountainhomc. Clarke and Mobile counties. 

 Flowers sky-blue; August, September. Most frequent in the Coast plain in damp 

 sandy ground. 



Type locality: "Native of the Swamps of Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Aster divaricatus L. Sp. PL 2 : 873. 1753. 



Jster corymhosus Ait. Hort. Kew. 3 : 207. 1789. 



Ell. Sk. 2:365. Gray, Man. ed. 6, 255. Chap. Fl. 198. Gray, Syn. Fl. N. A. 

 1, pt.2:174. 



Alleghenian to Carolinian area. Quebec to Lake Superior and Manitol)a; New 

 England west to Minnesota; Ohio Valley, and from New Jersey south along the 

 mountains to Tennessee and Georgia. 



.\lai'.ama: Mountain region. Shady woodlands. Cullman (Jounty (Miss Mary 

 Mohr). Walker County (E. A. Smith). Kay flowers pale purple; August, September. 

 Not frequent. 



Type locality : " Hab. in Virginia." 



Herb. Geol. Surv. Herb. Mohr. 



