214 
Gerardia spiciflora 19 
==G. maritima Raf. 
strictiflora 185 
Gilia coronopifolia 15 
incisa 143, 182 
Lindheimeriana 
see G. incisa 143 
rigidula 143, 183 
rubra i183 
Gnaphalium polycephalum 231 
purpureum 14 
Gonolobus biflorus 143 
cynanchoides 43 
granulatus 
see G. reticulatus 181 
laevis 181 
reticulatus 143, 181 
unifarius ; 
see Roulinia unifaria 143 
Gossypianthus rigidiflorus 153 
Gratiola sphaerocarpa 46 
Grindelia inuloides 40, 177 
squarrosa 177 
Guaiacum angustifolium 158, 162 
Gutierrezia texana 11, 32, 222, 177 
Gymnadenia nivea 28 
Gymnosperma corymbosum 177 
Habranthus teranus 55 
see Zephyranthes texana 
Halea ludoviciana 40 
—=Tetragonotheca ludoviciana Gr. 
texana 227 
see Tetragonotheca texana 
Hamosa austrina 
see Astragalus Nuttallianus tri- 
chocarpus 165 
Hedeoma acinoides 146, 187 
Drummondii 47 
=H. Reverchoni in part 
Reverehoni 16, 187 
as H. Drummondii in part 47 
Hedyotis Boscii 10 
=Oldenlandia Boscii Chapm. 
humifusa 216 
=Houstonia humifusa Gray 
stenophylla var. 215 
—=Houstonia angustifolia Michx. 
Helenium autumnale 231 
nudifiorum 
as Leptopoda brachypoda pur- 
purea 14 
tenuifolium 14 
Helianthemum capitatum 4 
Helianthus angustifolius 13 
annuus 177 
as H. lenticularis 40, 228 
MISSOURI BOTANICAL GARDEN. 
Helianthus cucumerifolius 13, 32, 228 
=H. debilis cucumerifolius Gray 
debilis 
as H. praecor 13 
debilis cucumerifolius 
as H. cucumerifolius 13, 32, 228 
grosse-serratus 41 
lenticularis 40, 228 
see H. annuus 177 
Maximiliani 41, 177, 184 
occidentalis plantagineus 13 
praecor 13 
=H. debilis Nutt. 
rigidus 13 
Heliotropium curassavicum 18 
inundatum 18, 183 
tenellum 183 
as Lithospermum tenellum 18 
Hemicarpha Drummondii 197 
micrantha i197 
micrantha aristulata 
see H. Drummondii 197 
Hendecandra terensis 53 
see Croton texensis 
Herbertia Drummondiana 195 
Hermannia texana 165 
Herpestis chamaedryoides 145, 185 
cuneifolia 19, 32 
=H. Monniera HBK. 
Monniera 185 
as H. cuneifolia 19, 32 
nigrescens 19 
Heteranthera dubia 196 
limosa 196 
Heterotheca scabra 12 
see H. subaxillaris 
subaxillaris 177 
Hilaria texana 199 
Hoffmanseggia caudata 179 
Jamesii 178 
Houstonia angustifolia 
as Hedyotis stenophylla 215 
humifusa 
as Hedyotis humifusa 216 
Hydrocotyle asiatica 
as H. repanda 209 
interrupta 209 
=H. verticillata Thurb. 
repanda 209 
=H. asiatica L. 
umbellata 209, 172 
verticillata 
as H. interrupta 209 
Hygrophila lacustris 
as Ruellia justiciaeflora 22 
