August, 1955 
Aster anomalus Engelm. ‘This aster, a 
plant of rocky wooded bluffs, was found 
in hill prairie at Sessions and Fountain 
Bluff. 
Aster azureus Lindl. The bright blue 
aster was found in 16 hill prairies from 
Menominee Station and Reavis Spring 
south to Chalfin Bridge. 
Aster ericoides L. (including 4. exi- 
guus Rydb.). This weedy aster was seen 
in 18 hill prairies. 
Aster linariifolius L. Abundant in sand 
prairie, this aster was collected from loess 
prairie at Northeast Meredosia and 
Bunker. 
Aster oblongifolius Nutt. The oblong- 
leaf aster, frequently seen on rocky bluffs, 
was collected from 36 sites in loess and 
rock prairies; also it was observed in 
crevices of rock ledges, in recesses on small 
cliffs, and on rocky wooded slopes. It 
ranged from El Rancho and _ Devil’s 
Backbone south to Cave Creek. 
Aster parviceps (Burgess) Mack. & 
Bush. An aster, possibly this species, was 
collected from rock prairie at Chautau- 
qua and from loess prairie at Fall Creek, 
Seehorn-Payson, and Sessions. 
Aster patens Ait. The spreading aster 
was seen in 13 hill prairies from Clen- 
denny to Cave Creek. 
Aster pilosus Willd. Heath aster, a 
weedy species, was present in 16 hill prai- 
ries. It was not so common there as in 
flatland prairies. 
Aster ptarmicoides (Nees) T. & G. 
White upland aster was found at Wiers- 
ma and Rock Island 31 prairies. 
Aster sagittifolius \Wedem. ‘The ar- 
row aster, usually found in open woods, 
occurred in the rocky prairie at Govern- 
ment Rock and in loess prairie at Clen- 
denny. 
Aster sericeus Vent. Silky aster was 
collected from 10 loess hill prairies from 
Bielema and Reavis Spring south to Re- 
nault. It was not very abundant at these 
sites. 
Aster turbinellus Lindl. This aster was 
found in loess and rock prairie at Foun- 
tain Bluff. At Government Rock it grew 
in crevices of rocks, and also in the wood- 
land border, but not in the prairie. 
Cacalia atriplicifolia L. Pale Indian- 
plantain, which grows in a variety of 
Evers: Hitt Prairigs or ILLINoIs 
439 
habitats, open woods, thickets, and prai- 
ries, was encountered in loess prairie at 
four sites and also in coves at two of these 
places. 
Cacalia tuberosa Nutt. ‘This species 
was seen in loess prairie at Bielema, Balk, 
Bald Bluff, Swarnes, Sampson, and South 
Prairie du Rocher. 
Chrysopsis villosa (Pursh) Nutt. [C. 
camporum Greene.] Golden aster was 
found in loess at three sites along the 
Mississippi and at five along the Illinois 
River. 
Coreopsis lanceolata L. Lance coreop- 
sis was found in rocky soil at Fults; in 
loess at Reavis Spring, Valmeyer, and 
Fults; and on rock ledges at Fults and 
Stotz. 
Coreopsis lanceolata var. villosa Michx. 
[C. crassifolia Ait.] This variety was 
found in loess prairie at Valmeyer, Fults, 
and South Prairie du Rocher. 
Coreopsis palmata Nutt. Finger core- 
opsis occurred in more prairies than the 
preceding species and variety. It was seen 
in 11 prairies from Sunset Trail and 
Standard south to Renault. 
Coreopsis tripteris L. Tall coreopsis 
was seen in loess prairie at Fountain 
Bluff. 
Echinacea pallida (Nutt.) Nutt. Pale 
coneflower was observed in 18 hill prairies 
from Bielema and Magnolia south to 
Cave Creek. 
Erigeron annuus (L.) Pers. White- 
top, or daisy-fleabane, common in fallow 
fields, prairies, and waste places, was ob- 
served in only two hill prairies, Chau- 
tauqua and Oblate Fathers. 
Erigeron canadensis 
or mule tail, a commo 
served in 16 hill prairies. 
Erigeron divaricatus Michx. Spread- 
ing fleabane was found in a pastured hill 
prairie, Seehorn-Payson. 
Erigeron strigosus Muhl. This flea- 
bane was observed in 40 hill prairies. 
Possibly it occurred in some of the other 
prairies that were visited but once during 
this study. 
Eupatorium altissimum L. Tall thor- 
oughwort, common in pastures, rocky 
hills, thickets, and along roadsides, was 
observed at 35 sites from Sunset Trail 
and Magnolia to Cave Creek. 
Horse-weed 
weed, was ob- 
