August. 1955 



EvERs: Hill Prairies ok IriiNois 



439 



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 Chalhn Bridge. 



Aster ericoides L. (including A. exi- 

 guits Rydb. ) . This weedy aster was seen 

 in 18 hill prairies. 



Aster linariif alius 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 parvkeps (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 ^^ iers- 

 ma and Rock Island 31 prairies. 



Aster saglttifolius \Vedem. 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. 



Cacalla atriplicifolia L. Pale Indian- 

 plantain, which grows in a variety of 



habitats, open woods, thickets, and prai- 

 ries, was eritountered 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, Valme\er, and 

 Fults; and on rock ledges at Fults and 

 Stotz. 



Coreopsis laneeolata var. villosa Michx. 

 [C. crassijolia Ait.] This variet>' 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 variet\. It was seen 

 in 1 1 prairies from Sunset Trail and 

 Standard south to Renault. 



Coreopsis tripteris L. Tall coreopsis 

 was seen in loess prairie at Fountain 

 Bluff. 



Eehinacea pallida ( Nutt. I 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 L. Horse-weed 

 or mule tail, a common weed, was ob- 

 ser\ed in 16 hill prairies. 



Erigeron divaricatus Michx. Spread- 

 ing fieabane 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- 

 ough wort, common in pastures, rocky 

 hills, thickets, and along roadsides, was 

 observed at 35 sites from Sunset Trail 

 and Magnolia to Cave Creek. 



