430 



Illinois Natural History Survey Bullltin 



\\)1. 2b, Art. 5 



Rosa setiijera Michx. (^ne plant of the 

 climbing rose was observed at Phegley ; 

 it was not seen in other hill prairies. This 

 rose is common in woodland borders. 



Rosa suffulla Greene. [R. arkansana 

 var. suffulla (Greene) Cockerell.] This 

 rose was infrequent on loess slopes in four 

 hill prairies. 



Riihiis flaycllaris W'illd. The dew- 

 berrv was found in one loess prairie, 

 Phegle\-, near a thicket-covered cove. 



Riibiis frondosiis Bigel. This black- 

 berry was seen on the rock\ slopes at 

 Chautauqua prairie. 



Ritbus fj(< itlrnlalis L. Black raspberr> 

 was found in the rock prairie at Menomi- 

 nee Station. 



I.IClMiNfJS \l' 



JriKirpha lanvsifiis Pursh. Leadplant 

 grew in scattered patches in 2.^ rock or 

 loess prairies from El Rancho and Devil's 

 Backbone south to \ alme\er. 



Astragalus canadensis L. This milk- 

 vetch occurred infrequently in loess at 

 North Pandarmie, Principia, and Val- 

 meyer. At Housen it was abundant in 

 the woodland border at the crest of the 

 ridge. 



Aslrayalus disturtus T. & G. This 

 small milk-vetch was seen in loess, on 

 rocky slopes, and in crevices of the rock 

 ledge, at onh one site, the Seehorn-Pay- 

 son prairie. 



Bafilisia Icuidiilha T. ^ G. Wild in- 

 digo, or prairie false-indigo, common in 

 many of the upland prairies and in open 

 woods of Illinois, was found in only one 

 hill prairie, Hill-Top. 



Cassia fasciculata Michx. Partridge- 

 pea, common in hill prairies of southern 

 Illinois, less frequent in those of northern 

 Illinois and along the Illinois River, was 

 found in 20 prairies. 



Cassia nictitans L. This cassia was 

 found in the cherty ridge-top prairie at 

 Tamms, the stony and loess prairies at 

 Fountain Bluff, and the loess prairie at 

 Phegley. 



Cercis canadensis L. Redbud, usually 

 found on forested rocky s'opes of bluffs, 

 also was found in coves of hill prairies. 

 Seedlings or very small trees were found 

 occasionally on loess or rock prairie 

 slopes. 



Crotalaria sat/iitalis L. Rattlebox was 

 obser\ed in loess at Hill- Top, Clendenny, 

 and Principia. 



Desinanlhus illinuensis (Michx.) 

 MacM. Illinois- or prairie-mimosa, was 

 found growing in loess of two hill prai- 

 ries, Pere Alarquette and Principia. In 

 both sites it was locally abundant. 



Desr/i'/diuni canadcnse (L.) DJ. Ibis 

 tick-clover was found iinl\ in the rock 

 prairie at El Rancho. 



Desinodiurn ciliare (Muhl.) DC This 

 species was collected at 12 stations from 

 Clendenn\- south to Cave Creek. At Pheg- 

 ley and Sampson it grew also in the wood- 

 land. 



Destiiodiurn dillenii Darl.* This spe- 

 cies was found in si.x hill prairies. Hid- 

 den Lake, Clendenny, Pere Marquette, 

 \'almeyer, Fults, and Fountain Bluff. 



Desniiidiuiii illinaensr Gray. The Illi- 

 nois tick-clover was collected in five hill 

 prairies in central Illinois; all specimens 

 collected were from loess slopes. 



Destniidiuni paniculatum (L. ) DC. 

 This species, predominantly of open 

 woods and thickets, was encountered in 

 loess prairie at nine sites. 



Desmodium sessilifolium (Torr.) T. 

 ik G. The sessile-leaved tick-clover was 

 found at 22 sites, usually in loess prairie 

 but occasionally on the rock-strewn slopes. 



Galactia volubilis (L.) Britt. Milk- 

 pea was collected from rock prairie at 

 Cave Creek and Government Rock. 



Gledilsia Iriacanlhos L. Honey locust 

 grew in scattered groups in four hill prai- 

 ries. 



Lespedeza cafiitala Michx. This bush- 

 clover was a common plant on loess and 

 occasionally on rocky prairie slopes. It 

 was present in 27 of the 61 sites studied. 



Lespedeza liirta (L.) Hornem. This 

 lespedeza was collected from the cherty 

 prairie at Tamms and was observed in 

 the woodland border at Government 

 Rock. 



Lespedeza intermedia (S. Wats.) 

 Britt. This species was found in loess at 

 fi\c prairie sites in southern Illinois. 



Lespedeza procumbens Michx. Trail- 

 ing bush-clover, a species of rocky woods, 



•In the ireaitnent of this genus in Gray's Manual, 

 edition 8. this entity has been s-egrep.iled into two species, 

 Deimodium perpl/xum and />. glabfUum. 



