$92 GENERAL INDEX OF LATIN GENERA AND SPECIES. Vou. IIT. 
Rhombolytrum Roripa Rubus Rynchospora 
albescens r 238 americana a 164 triflorus 2278 axillaris I 344 
Rhus 2 481 Armoracia 163 trivialis a8t “microcephala 344 
aromatica 482-3 | ROSACEAE a 242 villosus 280 capillacea 343 
bipinnata 482 | Rosa a 28a “ frondosus 279 “ lueviseta 343 
canadensis 482 acicularis 283 “humifusus 280 cephalantha 4h 
copallina 481 blanda 283 “ montanus a8o0 compressa 345 
coriaria 481 bracteata 286 | Rudbeckia 3 460 corniculata ad3 
cotinoides 485 canina a84 amplexicaulis 473 cymosa 345 
glabra 482 carolina 285 angustifolia 470 etuberculata 33t 
“borealis 482 centifolia ake aspera 472 filifolia 344 
hirta 481 cinnamomea 286 atrorubens 476 fusca 344 
microcarpa 484 eglanteria 286 Brittonii _ 471 glomerata 344 
quercifolia 484 Engelmanni 283 columnaris 474 gracilenta 345 
radicans 484 Fendleri 28 fulgida 471 inexpansa 340 
Toxicodendron 484 allica 28 grandiflora 472 Knieskernii 343 
trilobata 483 humilis 285 hirta 469-70 macrostachya 342 
typhina 481 lucida 285 laciniata 473 nitens 347 
venenata 483 micrantha 286 “humilis 473 oligantha 342 
Vernix 483 nitida 285 maxima 472 pallida 342 
Rhynchosia 2 421 parviflora 285 missouriensis 471 rariflora 344 
erecta 422 pratincola 284 monticola 470 scirpoides 347 
latifolia 421 rubiginosa 286 pallida 476 Smallii 345 
reniformis 422 Sayt 283 palustris 471 Torreyana 346 
simplicifolia 422 setigera . 283 pinnata 474 
tomentosa 20 spinosissima 284 purpurea . 475 | Sabbatia 33 
“monophylla 422 virginiana 285 spathulata 471 angularis 5 
“volubilis 421 Woodsii 284 speciosa 472 “ angustifolia 5 
Rhynchospora Rotala 2579 subtomentosa 470 brachiata 5 
see By nehoanns ramosior 579 Sullivantii 472 calycina 5 
I 341 verticillaris 579 Tagetes 475 calycosa 5 
Ribes 2 236 | Rothia triloba 470 campanulata 7 
americanum 238 carolinensis 3 505 umbrosa 471 campestris 6 
cereum 238 | Rottboellia 1 rrr | Ruellia 3 240 chloroides 7 
Cynosbati 239 corrugata 112 oe 240 dodecandra 7 
“ glabratum 239 cylindrica 1I2 ciliosa | a4t Elliottii 6 
floridum 238 filiformis 282 “ parviflora 242 racilis 7 
glandulosum 238 rugosa 112 “ ambigua 242 anceolata 4 
gracile 240 | Roubieva 215 oblongifolia 240 paniculata 4, 
Grossularia 241 multifida 15 parviflora aq2 stellaris 6 
hirtellum 241 | Rubacer 2 275 pedunculata 242 | Sacciolepis I 163 
hudsonianum 237 | RubIaAcEAE 3 250 strepens aq gibba 163 
huronense 241 | Rubus 2 27 “ cleistantha 241 striata 163 
inebrians 238 acaulis 27 tuberosa 241 | Saecharum I 113 
lacustre 236 alleghaniensis 280 | Rumex I 653 japonicum 113 
missouriensis 240 americanus 278 Acetosa 654 polydactylon 113 
nigrum 237 arcticus 277 Acetosella 653 | Sagina a si 
odoratum 239 argutus 280 altissimus 656 apetala Sr 
oxyacanthoides 240 Baileyanus 280 Brittannica 656 decumbens st 
“ calcicola 241 canadensis 279 conglomeratus 657 © Smithii 5t 
“ lacustre 236 “voribaccus 281 crispus 657 fontinalis 46 
pennsylvanicum 238 Chamaemorus 276 digynus 659 Linnaei st 
prostratum 238 columbianus 276 elongatus 57 nivalis gt 
reclinatum 241 cuneifolius 278 Engelmanni 654 nodosa 52 
rotundifolium 241 Dalibarda 282 hastatulus 654 procumbens 51 
rubrum 236,7 Ensleni 281 Hydrolapathum saginoides 51 
* syhplanduioium shy frondosus 279 “americanum 656 subulata 51 
Saxosum 241 fruticosus 275 maritimus 659 virginica 3 16 
setosum 240 hispidus 281 mexicanus 655 | Sagittaria 1 98 
triste 237 “ suberecta 279 obtusifolius 657, ambigua 10 
Uva-crispa 241 idaeus 277 occidentalis 657 arifolia 99 
vulgare 237 laciniatus 280 orbiculatus 656 “ stricta 99 
Ricinophyllum 2 619 Millspaughii 279 allidus 655 brevirostra 100 
Ricinus 2 460 montanus 280 atientia 653, 6 calycina 96-7 
communis 461 neglectus 2 277 persicarioides 659 “ spongiosa 97 
Ridan 3 486 nigricans 279 pulcher 658 cristata 102 
alternifolia 487 nigrobaccus 280 salicifolius 655 cuneata 99 
Riddellia nutkanus 276 sanguineus 65 Eatonii 103 
Tagetinae 3 504 obovalis 281 venosus 654 Engelmanniana 99 
Ripidium occidentalis 277 verticillatus 655 falcata ror 
japonicum I 113 odoratus 276 | Ruppia r 88 raminea 103 
Robertiella 2 425 parviflorus 276 curvicarpa 88 eterophylla 10a 
Robertiana 426 parvifolius 278 lacustris 88 lancifolia 101 
Robertsonia 2 219 Phoenicolasius 277 maritima 88 latifolia 100 
micranthidifolia 219 rocumbens 281 occidentalis 838 longiloba rot 
Robinia 2 374 andii 280 | RuTacrar 2 443 longirostra 99 
hispida 375 rubrisetus a8 | Ruta 445 lorata 104 
pseudacacia 375 saxatilis graveolens 445 natans gracillima 104 
viscosa ae “ americanus 278 | Rynchospora I 341 platyphylla 103 
Roripa “ canadensis 278 alba 343 pubescens 100 
see Radicula 21 ah sctosus 279 “macra 343 pusilla 10. 
(Nasturtium) i strigosus 277 aurea 341 radicans 9 
