430 
Rosa setigera Michx. One 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 suffulta Greene. [R. arkansana 
var. suffulta (Greene) Cockerell.] This 
rose was infrequent on loess slopes in four 
hill prairies. 
Rubus flagellaris Willd. ‘The dew- 
berry was found in one loess prairie, 
Phegley, near a thicket-covered cove. 
Rubus frondosus Bigel. This  black- 
berry was seen on the rocky slopes at 
Chautauqua prairie. 
Rubus occidentalis L. Black raspberry 
was found in the rock prairie at Menomi- 
nee Station. 
LEGUMINOSAE 
Amorpha canescens Pursh. Leadplant 
grew in scattered patches in 23 rock or 
loess prairies from El Rancho and Devil’s 
Backbone south to Valmeyer. 
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. 
Astragalus distortus T. & G. This 
small milk-vetch was seen in loess, on 
rocky slopes, and in crevices of the rock 
ledge, at only one site, the Seehorn-Pay- 
son prairie. 
Baptisia leucantha 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 slopes of bluffs, 
also was found in coves of hill prairies. 
Seedlings or very small trees were found 
occasionally on loess or rock prairie 
slopes. 
Ittinois NarurAL History Survey BULLETIN 
Vol. 26, Art. 5 
Crotalaria sagittalis L. Rattlebox was 
observed in loess at Hill-Top, Clendenny, 
and Principia. 
Desmanthus illinoensis _(Michx.) 
MacM. Illinois- or prairie-mimosa, was 
found growing in loess of two hill prai- 
ries, Pere Marquette and Principia. In 
both sites it was locally abundant. 
Desmodium canadense (L.) DC. This 
tick-clover was found only in the rock 
prairie at E] Rancho. 
Desmodium ciliare (Muhl.) DC. This 
species was collected at 12 stations from — 
Clendenny south to Cave Creek. At Pheg- 
hed and Sampson it grew also in the wood- 
and. 
Desmodium dillenii Darl.* ‘This spe- 
cies was found in six hill prairies, Hid- 
den Lake, Clendenny, Pere Marquette, 
Valmeyer, Fults, and Fountain Bluff. 
Desmodium illinoense Gray. The Illi- 
nois tick-clover was collected in five hill — 
prairies in central Illinois; all specimens — 
collected were from loess slopes. : 
Desmodium paniculatum (L.) DC. 
This species, predominantly of 
woods and thickets, was encountered in 
loess prairie at nine sites. 
Desmodium sessilifolium (Torr.) ‘T. 
& 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. 
Gleditsia triacanthos L. Honey locust 
grew in scattered groups in four hill prai- — 
ries. h 
Lespedeza capitata 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 hirta (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 
five prairie sites in southern Illinois. 
Lespedeza procumbens Michx. ‘Trail- 
ing bush-clover, a species of rocky woods, © 
*In the treatment of this genus in Gray’s Manual, j 
edition 8, this entity has been segregated into two species, — 
Desmodium perplexum and D. glabellum. 
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