[Vor. 8 
354 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
ambiguus, Cyperus ovularis, Carex retroflema, C. varia with 
variety colorata, Luzula campestris, var. bulbosa, Spiranthes 
gracilis, Апусма polygonoides, Lespedeza virginica, L. Stu- 
vei, L. hirta, Desmodium rotundifolium, D. bracteosum, Ascy- 
rum hypericoides, Lechea villosa, L. tenuifolia, Viola pedata, 
var. lineariloba, Asclepias quadrifolia, Tephrosia virgimana, 
Monarda Bradburiana, Scutellaria incana, Aureolaria grandi- 
flora, Agalinis tenuifolia, Hieracium Gronovii, H. scabrum, 
Solidago nemoralis, S. radula, S. petiolaris, S. Матай, Aster 
patens, A. anomalus, A. azureus, A. turbinellus, A. linarii- 
folius, Erigeron pulchellus, and Parthenium integrifolium. 
The most extensive and notable floral division is perhaps 
that of the upland prairies, and here the plants of the plains 
are the most conspicuous feature. Among prairie plants 
may be mentioned Andropogon scoparius, A. furcatus, Sor- 
ghastrum avenaceum, Sporobolus asper, Cyperus acuminatus, 
Erythromum mesochoreum, Silene regia, Ranunculus fascicu- 
laris, Draba brachycarpa, Baptisia bracteata, B. australis, 
I TP purpureum, Astragalus distortus, A. mexi- 
canus, Desmodium illinoense, D. canadense, Lespedeza cap- 
itata and variety sericea, Strophostyles pauciflora, Linum me- 
dium, Euphorbia corollata, Oenothera muricata, O. biennis, 
Gaura Pitcheri, Polytaenia Nuttallii, Dodecatheon Meadia, 
Apocynum cannabinum, A. pubescens, Sabatia campestris, As- 
clepias tuberosa, A. verticillata, A. stenophylla, Acerates flori- 
dana, A. viridiflora, Phlox pilosa, Lithospermum angustifoli- 
um, Salvia Pitcheri, Agalinis fasciculata, A. tenuifolia, Hous- 
tonia minima, Specularia biflora, Prenanthes aspera, Hiera- 
cium longipilum, Vernonia crinita, Eupatorium altissimum, 
Liatris scariosa, L. pycnostachya, Aster salicifolius, Silphium 
lacimatum, S. integrifolium, Parthenium repens, Brauneria 
pallida, Helianthus scaberrimus, H. grosseserratus, H. mollis, 
Coreopsis grandiflora, C. palmata, Helenium autumnale, Ca- 
calia tuberosa, and Cirsium altissimum. 
Copses and thickets occupy swales or slopes bordering the 
dry woods, on the one hand, and the upland prairie, on the 
other. While containing many of the plants of the surround- 
