cSjO 



IXDKX. 



PAGE. 



Sedge, Gray's ^55 



Lancaster J53 



Low, -'50 



Marsh -51 



Micliaux's, -'oJ 



Nuttall's -50 



Pine Barren ^55 



Red-rooted, J52 



Rough 254 



Shining 250 



Slender 256 



Small-toothed 251 



Straw-colored 253 



Teasel-like 254 



Toothed -'51 



Yellow 249 



Seed Box 582 



Selaginella 143 



Self-heal 666 



Senua, Wild 494 



Senecio T77 



Sensitive-Kea 493 



Sericocarpus 7 S3 



Service-berry 488 



Sesuvium 435 



Setaria 213 



Shad-bush 488 



Shepherd's Purse 462 



Sickle pod 466 



Sicj'os 714 



Sida 549 



Silene, ^37 



Sisymbrium 462 



Sisyrinchium 360 



Sium 597 



Skunk Cabbage 316 



Slipper Plant 364 



Smart weed 421 



Smilax 3Si 



Smith, Chas. E 269 



Snake-head 678 



Snakeroot, Black 451 



Button 740 



Seneca 524 



Virginia 418 



Sneezeweed 774 



Solanum, 675 



Solidago 742 



SoI'dago altissima 751 



arguta 75° 



bicolor 744 



caesia 744 



canadensis 75 1 



elliottii, 748 



erecta 745 



fistulosa 748 



flexicaulis, 744 



gigantea 75° 



juncea 7S0 



neglecta 74Q 



PACE. 



Solidago ncmoralis, 751 



odora 747 



jiatula 748 



jjubcrula 745 



rugosa, 747 



sempervirens 746 



serotina 750 



speciosa 743 



stricta 746 



ulmifolia 748 



uniligulata, 750 



Solomon's Seal 349 



Sonchus 7iq 



Sorghastrum 184 



Sorrel, Engelmann's 421 



Horse 419 



Sorrel, Wood 516 



Sow Thistle 719 



Spanish Needle, 774 



Sparganium i59 



Spartina 232 



Spathyema, 316 



Spatter Dock 444 



Specularia 7^5 



Speedwell 682 



Sphenopholis, 229 



Spicewood 460 



Spider wort 3^5 



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 695 



Squaw-weed 777 



Stachys ' 667 



Stagger-bush 618 



Staphylea 545 



Star Flower 635 



Star grass 355 



Starwort 529 



Steironima 632 



Stenophyllus 265 



Stipa 219 



Stone crop 47° 



Stork's Bill 514 



Strawberry, Virginia 481 



Strawberry-Bush 542 



Stickseed, Virginia 658 



Strophostyles 5^3 



Struthiopteris I37 



Stylosanthes, 499 



Sumac 536 



Sundews 468 



Sundrops 584 



Sunflower 769 



