THISTLE FAMILY. 781 
ALABAMA: LowerPine region. Coast plain. Damp or dry sandy places, borders of 
woods, copses. Washington and Mobile counties, Flower azure; August, September. 
Common in the Coast plain. 
Type locality (Hook.): ‘‘ Jacksonville,” Fla. 
Herb. Geol. Surv. Herb. Mohr. 
Aster shortii Hook. Il. Bor. Am. 2:9. 1834. SHORT’s ASTER. 
Gray, Man. ed. 6,258. Chap. F1. 201.) Gray, Syn. Fl. N. A. 1, pt. 2: 181. 
ALABAMA: Mountain region, Central Pine belt. Madison County, Montesano, 
1,500 feet. Lee County, Auburn (/. 8. Farle), 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 ditfer from plants from the Ohio Valley by their slender 
habit of growth, widely spreading branches, the more attenuated leaves, roughish- 
pubescent beneath, and the less numerous, smaller tlowering heads. 
Type locality: “Found by Dr. Short, on cliffs of the Kentucky River.” 
Herb. Geol. Surv. Herb, Mohr. 
Aster camptosorus Small, Bull. Torr. Club, 24:339, 1897, 
Stems slender, erect, simple, 2 to 3 feet tall, glabrous or slightly pubescent near 
the top; leaves few, lanceolate, 4 to 6 inches long (including the slender petiole), 
attenuate from near the base to the finely acute apex, entire, undulate, resembling 
the leaves of Camptosorus rhizophyllus, hispid beneath, with a scattered pubescence, 
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, % to 4 inch high; bracts linear- 
subulate, incurved, with a uarrow 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, 1802. 
Lee County, Auburn (Baker §° Farle), 1896. 
Distributed in 1893 as a hirtellous form of J. shorfii, which in aspect resembles 
closely this plaut, 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. 2. Baker), 
“Mountains of Georgia” (Buckley). 
Ilerb. Geol. Surv. Herb. Mohr. 
Aster azureus Lindl.; Hook. Comp. Bot. Mag. 1:98. 1835, SKY-BLUE ASTER, 
Gray, Man. ed. 6,258. Chap. Fl. 201. Gray, Syn. Fl. N. A.1, pt. 2: 181. Coulter, 
Contr. Nat. Herb. 2: 195. 
Alleghenian to Carolinian area. Ontario and Michigan west to Nebraska, south to 
Missouri and western Louisiana, and from Ohio to the mountains of northwestern 
Georgia. 
ALABAMA: Mountain region. Open rocky woods. ‘Talladega County, Renfroe, on 
the Alpine Mountain, 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 lL. Sp. Pl.2:875. 1755. WAVY-LEAF ASTER. 
Gray, Man. ed.6, 258. Chap. FL 201, Gray, Syn. FIN. A. 1, pt.2: 181. 
Alleghenian to Louisianian area. New Brunswiek, 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 Pine belt. Dry open woods, copses. Mad- 
ison County, Huntsville. Cullman County, Talladega County, Chandler Springs, 
Alpine Mountain, 1,800 feet altitude. Flowers violet; September, October. l're- 
quent; not 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, pt.2: 181. 1884. 
ROUGHISH ASTER, 
Aster diversifolius Michx. Fl]. Bor. Am. 2:113. 1803. 
A, seaber El. Sk. 2:363. 1821-24. 
A, asperulus Torr. & Gray, FIN. A.2:120. 1841. Not Walt. 1788. 
A, baldwint Torr. & Gray, FIN. A.2:127, 1841. In part. 
El. Sk. le. Gray, Syn. FIN, A. lo. 
Carolinian and Louisianian areas. South Carolina to Georgia. 
