THISTLE FAMILY. 781 



Alabama : Lower Pine region. Coast plain. Damp or dry sandy places, borders of 

 woods, copses. Wasliington and Mobile counties. Flower azure ; August, September. 

 Common in the Coast plain. 



Type locality (Hook.): ".Jacksonville," Fla. 



Herb. (Jeol. Surv. Herb. Molir. 



Aster shortii Hook. Fl. Bor. Am. 2 : 9. 1834. Short's Astkr. 



Gray, Man. ed. 6, 258. Chap. Fl. 201. Gray, Syn. Fl. N. A. 1, ])t. 2 : 181. 



Alabama: Mountain region, Central Pine belt. Madison County, Montesauo, 

 1,500 feet. Lee County, Auburn (/''. S. Earle). Talladega County. Tuscaloosa 

 County, 400 feet altitude. Flowers purplish ; October. 



Growing on the arid rocky ridges of the Metamorphic hills and of the Carboniferous 

 conglomerates, our specimens (litter from phxnts from the Ohio ^'aliey by tiieir slender 

 habit of growth, widely spreading branches, tlie more attenuatid leaves, roughish- 

 pubescent beneath, and the less numerous, smaller dowering heads. 



Type locality: "Found by Dr. Short, on clitt's of the Kentucky River." 



Herli. Geol. Surv. Herb. Molir. 



Aster caniptosorus Small, Bull. Torr. Club, 24 : 3o!l. 18117. 



Stems slender, erect, simple, 2 to o feet tall, glabrous or slightly pubescent near 

 the top; leaves few, lanceolate, 4 to (j inches long (including the slender petiole), 

 attenuate from near the base to the linely acuite a]t(^x, entire, undulate, resembling 

 the leaves of Camptosonis rliicophyUns, hispid beneath, with a scattered jjubescence, 

 the lower deeply cordate at the rounded base, the upper subcordate or truncate; 

 heads usually few; pedicels angled, bearing minute appressed bracts, scrabrous; 

 involucres cylindric-campanulate or turbinate, f to ^ inch high; bracts linear- 

 subulate, incurved, with a narrow green midrib and green acute tip. 



Carolinian area. Georgia. 



Alabama: Mountain region. On the highest ridges in dry open woods. Talladega 

 County, Alpine Mountains, near the signal station, 1,800 feet, September 24, 1892. 

 Lee County, Auburn ( Ilaker <\- Earle), 189(). 



UistriV)UTed in 1893 as a hirtellous form of J. .shortii, which in aspect resembles 

 closely this plant, from which it is distinguished by the characters of the involucre 

 as pointed out by Dr. Small. 



Type locality: "Wright's mill, 5 miles south of Auburn, Ala." {C F. Baker). 

 "Mountains of Georgia" {Buckley). 



Herb. Geol. Surv. Herb. Mohr. 



Aster azureus Lindl.; Hook. Comp. Bot. Mag. 1 :98. 1835. Sky-bluk Aster. 



Gray, Man. ed. 6. 258. Chap. Fl. 201. Gray, Syn. Fl. N. A. 1, pt. 2: 181. Coulter, 

 Contr. Nat. Herb. 2 : 195. 



Allegheuian to Carolinian area. Ontario and Michigan west to Nebraska, south to 

 Missouri and western 4>ouieiana, and from Ohio to the mountains of northwestern 

 Georgia. 



Al.\bama: Mountain region. Open rocky woods. I'allailega County, llenfroe, on 

 the Alpine ^lountain, about 1,600 feet altitude. Flowers bright blue; October. 

 Rare; only locality known in the State. 



Type locality : " St. Louis," Mo. 



Herb. Geol. Surv. Herb. Mohr. 



Aster undulatus L. Sp. PL 2 : 87.5. 1753. Wa\y-leak Aster. 



Gray, Man. ed. 6, 258. Chap. Fl. 201 . Gray, Syn. Fl. N. A. 1, pt. 2 : 181. 



Allegheniau to Louisianian area. New Brunswick, Ontario; New England west 

 to Minnesota and Nebraska, south to the Ohio Valley, Missouri, and Arkansas; from 

 New York to Florida, and west to Louisiana. 



Alabama : Tennessee Valley to Central I'itie belt. Dry open woods, copses. Mad- 

 ison County, Huntsville. Cullman County. Talladega County, Chandler Springs, 

 Alpine Mountain, 1,800 feet altitude. Flowers violet; September, Octobei'. Fre- 

 (luent; aot observed in the low country. 



Type locality : " Hab. in America septentrionali." 



Herb. Geol. Surv. Herb. Mohr. 



Aster undulatus diversifolius (Michx.) Gray, Syn. Fl. N. A. 1, i)t. 2 : 181. 1884. 



ROUGIIISH ASTEK. 



Aster dirersifolius Michx. Fl. Bor. Am. 2 : 113. 1803. 



A. scaber Ell. Sk. 2 : 3(13. 1821-24. 



.J.asy)eraZ«sTorr.ct Gray, Fl.N. A. 2:120. 1841. Not V^^alt. 1788. 



A. haldwini Torr. & Gray, Fl. N. A. 2 : 127. 1841. In part. 



Ell. Sk. 1. c. Gray, Syn. Fl. N. A. 1. c. 



Carolinian and Louisianian areas. Soutli Carolina to Georgia. 



