826 



INDEX. 



PAGE. 



Sedge, Gray's 255 



I^ancaster 353 



Low, 250 



Marsh - ^51 



Michaux's, 252 



Nuttall's 250 



Pine Barren 253 



Red-rooted, 252 



Rough 254 



Shining 250 



Slender 256 



Small-toothed 251 



Straw-colored 253 



Teasel-like 254 



Toothed 251 



Yellow 249 



Seed Box, 582 



Selaginella 143 



Self-heal 666 



Senua, Wild 494 



Senecio 777 



Sensitive-Kea 493 



Sericocarpus 753 



Service-berry 488 



Sesuvium 435 



Setaria 213 



Shad-bush 488 



Shepherd's Purse 462 



Sickle pod 466 



Sicyos 714 



Sida 549 



Silene 437 



Sisymbrium 462 



Sisyrinchium 360 



Sium, 597 



Skunk Cabbage 316 



Slipper Plant 364 



Smart weed 421 



Smilax 351 



Smith, Chas. E 269 



Snake-head 678 



Snakeroot, Black 451 



Button 740 



Seneca 324 



Virginia 418 



Sneezeweed 774 



Solanum, 675 



Solidago 742 



Sol'dago altissima 751 



arguta 750 



bicolor 744 



caesia 744 



canadensis 751 



elliottii, 748 



erecta 745 



fistulosa 748 



flexicauHs, 744 



gigantea 750 



juncea 730 



neglecta 74Q 



PAGS. 



Solidago nemoralis, 731 



odora 74^ 



patula 748 



puberula 745 



rugosa, 747 



sempervirens 746 



serotina 750 



speciosa 743 



stricta , 746 



ulmifolia 748 



uniligulata, 750 



Solomon's Seal 349 



Sonchus 719 



Sorghastrum 184 



Sorrel, Engelmann's 421 



Horse 419 



Sorrel, Wood 516 



Sow Thistle '. 719 



Spanish Needle, 774 



Sparganium iS9 



Spartina 232 



Spathyema, z^^ 



Spatter Dock 444 



Specularia 7^5 



Speedwell 68z 



Sphenopholis, 229 



Spicewood 460 



Spider wort 325 



Spigelia 637 



Spike Rush 258 



Spikenard Star-flowered, 348 



Wild, 348, 589 



Spiraea, 477 



Spirodela, 318 



Sporobolus, 222 



Spring Beauty '. . 435 



Spurge, 527 



Squaw Root 69s 



Squaw-weed 777^ 



Stachys ^^7 



Stagger-bush 618 



Staphylea, 545 



Star Flower 635 



Star grass 355 



Starwort 529 



Steironima 632 



Stenophyllus 265 



Stipa 219 



Stone crop 47o 



StorVs Bill SI4 



Strawberry, Virginia 481 



Strawberry-Bush 542 



Stickseed, Virginia 658 



Strophostyles 3^3 



Struthiopteris 137 



Stylosanthes 499 



Sumac 536 



Sundews 468 



Sundrops 584 



Sunflower 769 



