210 
Centauridium Drummondii 223 
=KXanthisma texanum DC. 
Cerasus serotina 186 
= Prunus serotina Ehrh. 
Cercis occidentalis 177, 166 
reniformis 177 
Cereus caespitosus 39, 202 
caespitosus castaneus 39, 202 
octacanthus 
as C. Roemeri 204 
princeps 
as ©. variabilis 205 
procumbens 203 
Roemeri 
=C. octacanthus Coult. 
variabilis 
=C. princeps Hort. 
Chaerophyllum Teinturieri var. 211 
—=C. dasycarpum Nutt, in part 
Chaetochloa glauca 198 
polystachya 151 
setosa 198 
Chaetopappus asteroides 39 
Chamaesaracha conioides 145, 184 
Coronopus 145, 153, 184 
Chaptalia nutans 
as Leria nutans 232 
Chara contraria 157 
contraria hispidula 157 
contraria Lindheimeri 
see C. contraria hispidula 158 
contraria robusta 
see C. intermedia 
flexilis 56 
foetida 158 
gymnopus conjugens 158 
as C. polyphylla 55, 56 
gymnopus Humboldtii 158 
as C. polyphylla Humboldtiana 
& C. polyphylla Muhlenbergit 56 
Humoboldtii 
see C. gymnopus Humboldtii 
intermedia 157 
Lindheimeri 
see C. contraria hispidula 157 
polyphylla 55, 56 
see C. gymnopus conjugens 
polyphylla vars. 56 
polyphylla conjugens 
see C. gymnopus conjugens 158 
polyphylla Humboldtii 
see C. gymnopus Humboldtii 158 
polyphylla Muhlenbergit 
see C. gymnopus Humboldtii 158 
sejuncta brevibracteata 56 
sejuncta longibracteata 56 
tenuissima 56 
MISSOURI BOTANICAL GARDEN. 
Cheilanthes Lindheimeri 157 
tomentosa 157 
Chenopodium Berlandieri 189 
hybridum 147 
Chloris verticillata aristulata 156 
Chrysactinia mexicana 175 
Chrysopogon avenaceus 157, 198 
as Andropogon avenaceus 30 
Chrysopsis Berlandieri 
see C. villosa canescens 175 
canescens 223 
see C. villosa canescens 
graminifolia 12 
hispida stenophylla 223 
=C. villosa stenophylla Gray 
pilosa 12 
villosa canescens 175 
as C. canescens 223 
villosa stenophylla 
as C. hispida stenophylla 223 
Cicuta maculata 210 
Cirsium virginianum 14 
=Cnicus virginianus Pursh 
Cissus Ampelopsis 164 
incisa 16) 
as Vitis inctsa 166 
stans 164 
as Vitis bipinnata 6 
Clavigera dentata 
see Brickellia dentata 175 
Riddellii 218 
=Brickellia Riddellii Gray 
Clematis coccinea 160 
erispa 
as C. cylindrica 3 
cylindrica 3 
=C. crispa L. 
Drummondii 141, 160 
Pitcheri 160 
reticulata 3 
& C. Pitcheri in part 
Cleomella mexicana 3 
Cnicus altissimus filipendulus 175 
discolor 175 
undulatus megacephalus 175 
virginianus 
as Cirsium virginianum 14 
Cnidoscolus stimulosus 26 
=—Jatropha texana Muell. 
Cocculus carolinianus 3, 31 
Colubrina stricta 163 
texensis 169, 163 
Commelina angustifolia 27, 32, 156 
virginica 155 
Condalia lycioides 163 
as Zizyphus lycioides 168 
