220 
Sagittaria graminea 
as S. stolonifera 26 
papillosa 
as S. simpler 26 
platyphylla 155 
simpler 26 
=S. papillosa Buchenau 
stolonifera 26 
= §. graminea Michx. 
Samolus ebracteatus 22 
Sanicula canadensis 209 
Sapindus Drummondii 164 
as S. marginatus 33, 168 
Schoenocaulon Drummondii 150, 155, 
195, 196 
teranum 
see S. Drummondii 150 
Schrankia angustata 35 
platycarpa 183 
see S. Roemeriana 
Roemeriana 168 
as 8. platycarpa 183 
Scilla angusta 29, 32 
see Camassia angusta 
Scirpus lacustris 30 
Olneyi 30 
Sclerocarpus major 179 
as Aldama uniserialis 228 
Scutellaria cardiophylla & var. 19 
Drummondii 19, 188 
versicolor 146 
Wrightii 153 
Sebastiana ligustrina 
as Stillingia ligustrina 24 
Sedum sparsiflorum 38, 209 
see S. Torreyi 
Torreyi 169 
as 8. sparsiflorum 38, 209 
Senecio ampullaceus 42 
aureus Balsamitae 231 
=S. Balsamitae Muhl. 
Douglasii 
as S. Riddellii 232 
obovatus rotundus 179 
Riddellii 232 
=S. Douglasii DC. 
Sesbania Cavanillesli 
as Daubentonia longifolia 6 
macrocarpa 172, 168 
Setaria polystachya 
see Chaetochloa polystachya 151 
Seutera maritima 15 
=Vincetoxicum palustre Gray 
Seymeria bipinnatisecta texana 158, 
186 
Sicydium Lindheimeri 194 
see Maximowiczia Lindheimeri 
MISSOURI BOTANICAL GARDEN. 
Sicyos angulatus 193, 171 
Sida angustifolia 
as 8S. heterocarpa 163 
anomala mexicana 163 
=S. ciliaris fasciculata Gray 
cuneifolia 165 
diffusa HBK. ‘ 
as S. filicaulis 163 
filipes 164 
hastata 
as S. physocalyx 1638 
heterocarpa 163 
—=S. angustifolia Lam. 
Lindheimeri 5, 31 
physocalyr 163 
=S. hastata St. Hil. 
tragiaefolia 164 
Sieglingia acuminata 157 
albescens 157 
Silene Antirrhina & vars. 5 
Silphium asperrimum 180 
laciniatum 226 
scaberrimum 40, 180 
Simsia calva 228 
=Encelia calva Gray 
Siphonoglossa pilosella 146, 186 
Sisymbrium canescens 33 
Sisyrinchium minus 55 
=S. angustifolium Mill. 
Smilax Bona-nox 196 
lanceolata 28 
tamnoides 
see S. Bona-nox 196 
Solanum elaeagnifolium 153, 185 
as S. texense 19 
Lindheimerianum 
see S. triquetrum Lindheimeria- 
num 145, 185 
mammosum 46 
see S. Torreyi 
rostratum 145, 185 
terense 19 
see S. elaeagnifolium 
Torreyi 185 
as S. mammosum 46 
triquetrum 185 
triquetrum Lindheimerianum 415, 
185 
Solidago angustifolia 40 
=S. stricta angustifolia Gray 
Boottii 12 
canadensis canesens 180 
canadensis scabra 180 
decemflora 223 
=S, radula Nutt. 
