752 



Rivina acurolnata 36S, humilis 91, lanceolata 368, MutisH 368, octan- 



ara 368. 

 Robinia florida 181. i 



Rondeletia pilosa et triflora 688. 

 Rotala mexicana 567, verticillaris 567, 8. 

 Rubia incana 164, oiinocensis 367. 

 Rubus arcticus 63, Chamacmorus 62, 7, fagifolius 571, lloribuuclus 



571, occideutalis 571. 

 Rudbeckia oppositifolia 153. 

 Rudolphfa dubia 590. 

 Ruellia barbata 170, lacustris 96, ovata 96, prostrala 96, quitensis 96, 



strepens 96. 

 Rumex Acetosa 65, buceplialophorus 67, digyiius 65, 7, sp. 90. 

 Russelia lloribunda et sarmentosa 106. 



myricoides, myrtitolia, saligaa, omn. 

 us'bipinnata l'71, nigra 171, 494, 6, 



Sabazia sarmentosa 148. 



Sabinea florida 181. 



Salix aquatica 495, 6, berberidifolia 70, lierbacca 69, Ilumboldtiaiia 



80, incubacea 579, penta'ndra 496, polaris 69, reticulala 62. 

 Salvia affinis, Boosiana, occideutalis, tiliaefolia, omn. 99. 

 Salvinia laevigata et rotundifolia 624. 

 Samara myricoides, mvrtifolia, saligaa, omn. 367. 

 Sambucus bipinnata 

 Sanicula liberta 208. 

 SarcocoUa 677. 

 Saurauja serrala 221. 

 Saxifraga biflora 64, 8, bronclilalis 64, Geum 63, Hirculus 67, nivalis 



67, oppositifolia 68, pensvlvanica 67, rivularis 63, 8, sarmentc^sa 



496, stellata 67. ^ 

 Schizonia vulgaris 701. 

 Scliizopliyllum commune 701. 

 Schlechtendalia 242, luzulaefolia 243. 

 Schoenus capcnsis 650. 

 Schraukia aculeata 593. 

 Scilla bifülia 384, 5, rosea 384. 

 Scolospcrmum baltimoroidcs 152. 

 Scolymantlius cnicoides 19. 

 Scutellaria rumicifolia 102 

 Senebiera dubia 214. 

 Senecio beliidifolius 161, calcarius 161, /laccidus 161, grandifolius 162, 



valeriauncfolius 163. 

 Seriana acutifolia 215, Cambessedeana 214, pauiculata 216, polvplivlL' 



215. scandens 215. 

 Seris 253, discoidea 255, polymorpha 254. 

 Serratula acutit'ulia 362, liatroidcs 427, pygmaea 42' 

 Sibbaldia procumbens 69. 

 Sicyos angulata et parvillora 88. 

 Sida amplexifolia 226, angustifolia 226, carpinifolia 225, coromaude 



liana 226, Dillcniana 2/6, linearis 226, spinosa 226. 

 Siderodendron pauiculatura 307. 

 Silene acaulis 68. 

 Silpliium solidaginoides 153. 



