August, 1955 



EvERS: Hn.i. Prairies of Illinois 



4.17 



Pliysalis virginiana Mill. Virginia 

 ground-cherry was collected from six loess 

 prairies in central and northern Illinois. 



Solatium caroVuiense L. Horse-nettle 

 was seen only in pastured loess prairie at 

 Walnut Creek. 



SCROPHUL.ARI.ACE.AE 



Aureolaria grandiflora (Benth.) Pen- 

 nell. [Gerardia grandiflora Benth.] False 

 foxglove, a species of woods, openings, 

 and thickets, was observed in loess at Sun- 

 set Trail and Magnolia. 



Buchnera americana L. Blue hearts, 

 previously reported in Illinois only from 

 Cook and Menard counties, was found in 

 six hill prairies in Calhoun, Monroe, and 

 Randolph counties. 



Dasistoma macrophylla (Nutt.) Raf. 

 {Seymeria macrophylla Nutt.] Mullein 

 foxglove, commonly found in open woods 

 and thickets, was found growing in loess at 

 Swarnes hill prairie. 



Gerardia aspera Dougl. This gerardia 

 was seen in at least 17 hill prairies from 

 northern to southern Illinois. 



Gerardia gattiugeri Small. This plant 

 was seen in at least six hill prairies in 

 south-central Illinois. 



Gerardia skinneriana Wood. This 

 plant of bluffs, sands, and barrens was 

 found in four loess prairies. 



Gerardia tenuifolia Vahl. This gerar- 

 dia of wooded slopes was found in three 

 hill prairies. 



Pedicularis canadensis L. Wood-betony 

 or common lousewort was found in loess 

 prairie at North Eldred, where also it was 

 very common in the wooded coves. 



Penstemon pallidus Small. This pale 

 penstemon was collected from 36 loess 

 and rock prairie slopes and 14 rock ledges 

 in 40 sites from Bielema and Devil's Back- 

 bone to Cave Creek. It was moderately 

 abundant in many of these sites. 



Scrophularia marilandica L. Usually 

 found in thickets and woodland borders, 

 this figwort was collected from loess 

 prairie at Balk. 



Synthyris hullii (Eaton) Heller, [/rw/- 

 fenia Barnh. ; Besseya Eaton.] This 

 plant of sandy soil was collected from hill 

 prairie at Bielema and Devil's Backbone, 

 both sites near the margin of the Wiscon- 

 sin glaciation. 



*Verbascum thapsus L. Common mul- 

 lein was ob.sefved in loess or rock prairie, 

 or in crevices of rock ledges, in 17 hill 

 prairies. 



*['eronica anensis E. Corn-speedwell, 

 a common European weed, was found in- 

 frequently in eight hill prairies. 



f'eronica peregrina L. Purslane-speed- 

 well, another weedy species, was collected 

 from rock prairie at Fountain Blu£f. 



J'eronicastrum rirginicum ( L. ) Farw. 

 Culver's-root, a plant of woods, thickets, 

 and prairies, was observed in seven hill 

 prairies. In none of these was it so com- 

 mon as in flatland prairie. 



BiGNONI.ACE.AE 



Bignonia capreolata L. Cross-vine, a 

 southern species, was found as a stray at 

 Cave Creek. 



Campsis radicans (L.) Seem. Trumpet- 

 creeper, common in woods, thickets, and 

 fields in southern Illinois, was found in 

 four hill prairies. 



ACANTH.ACEAE 



Ruellia humilis Nutt. Hairy ruellia 

 was found in 30 hill prairies (also occa- 

 sionally in crevices of rock ledges) from 

 Bald Bluff and Devil's Backbone to Cave 

 Creek. 



Plantaginaceae 



Plantago aristata Michx. The bractcd 

 plantain, a common roadside and open- 

 field weed in compact soils of southern 

 Illinois, was collected from five hill prai- 

 ries, in loess and in rocky soil. 



Plantago purshii R. (i S. This western 

 species of plantain, locally abundant in 

 some sand prairies of the state, was found 

 in sandy loess at Bielema and Bluft 

 Springs. 



I'lantngo rugelii Dene. This plantain 

 was seen in loess prairie at Principia and 

 Hill-Top. In both sites it grew in the 

 disturbed portions. 



Plantago virginica L. Hoary plantain, 

 common in fields and rocky waste places, 

 was found in 20 hill prairies. 



RuniACEAE 



Diodia teres Walt. Rough buttonweeil 

 was collected from one loess prairie, 

 Stotz. 



