1916] 
PALMER—PLANTS OF JASPER COUNTY, MISSOURI 353 
lowing may be mentioned as typical: Ulmus fulva, Acer sac- 
charum, Ostrya virginiana, Asimina triloba, Staphylea tri- 
folia, Adiantum pedatum, Camptosorus rhizophyllus, Poly- 
stichum acrostichoides, Cystopteris bulbifera, C. fragilis, 
Botrychium virginianum, Brachyelytrum erectum, Sphen- 
opholis pallens, Poa Wolfii, Carex sparganioides, C. laxiflora, 
var. blanda, C. oligocarpa, Arisaema triphyllum, Tradescan- 
tia virginiana, Erythronium americanum, E. albidum, Smi- 
lacina racemosa, S. stellata, Polygonatum commutatum, Tril- 
lium sessile, Cypripedium parviflorum, Corallorrhiza odon- 
torhiza, Liparis liliifolia, Asarum canadense, Ranunculus re- 
curvatus, Aquilegia coccinea, Cimicifuga racemosa, Caulo- 
phyllum thalictroides, Sanguinea Dilleniana, Dicentra Cu- 
cullaria, Corydalis flavula, Arabis laevigata, Sedum Aer, 
Euphorbia heterophylla, Erigenia bulbosa, Osmorhiza Clay- 
toni, O. longistylis, Campanula americana, Solidago arguta, 
Polymnia uvedalia, and Senecio obovatus, var. rotundus. 
Where the bluffs have a western or southern exposure and 
are less shaded a somewhat different type of vegetation ap- 
pears. Here are found Sapindus Drummondi, Cheilanthes 
Feei, Notholaena dealbata, Asplenium parvulum, Festuca 
nutans, Bromus purgans, Uniola latifolia, Camassia escu- 
lenta, Commelina crispa, Arabis hirsuta, Heuchera hirsuti- 
caulis, Hypericum cistifolium, Scutellaria cordifolia, Onos- 
modium hispidissimum, and Lonicera dioica. 
At the extreme edge of the bluff above may be found Ame- 
lanchier canadensis, Celtis georgiana, Crataegus obscura, 
Rhus trilobata, and many of the herbaceous species common 
to the limestone barrens and dry woods. 
Above the escarpment a belt is usually occupied by the 
dry, rocky woods, more or less broken by ravines, up which 
the rich wood species extend. Characteristic species here 
are Carya alba, C. megacarpa, C. ovalis and its variety ob- 
cordata, Quercus stellata, Q. velutina and variety missouri- 
ensis, Q. marilandica, Cornus florida, Fraxinus americana, 
Ceanothus americanus, Panicum linearifolium, P. huachucae 
and the variety silvicola, Danthonia spicata, Gymnopogon 
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