920 



INDEX 



Small Magnolia 409 

 Solomon's Seal 292 

 White Lady's Slip- 

 per 307 

 Smaller Bladderwort 

 737 

 Spearwort 395 

 Yellow Lady's 

 Slipper 306 

 Small-flowered Crow- 

 foot 396 

 Smartweed, Common 

 361 

 Water 361 

 Smilacina 291 

 racemosa 291 

 stellata 291 

 trifolia 291 

 Smilax 294 

 Bona-nox 295 

 ecirrhata 295 

 glauca 295 

 herbacea 295 

 hispida 296 

 lanceolata 296 

 laurifolia 296 

 pseudo-china 296 

 pulverulenta 295 

 rotundifolia 295 

 tamnifolia 295 

 tnmnoides 295 

 Walteri 295 

 Smoke-tree 553 

 Smooth Alder 337 

 Azalea 631 

 False Foxglove 



730 



Gooseberry 451 



Sumach 552 



Winterberry 555 



Yellow Violet 585 



Smut Grass 131 



Snake Grass 150 



Snakehead 723 



Snakeroot, Black 



407, 610 



Button 609, 785 



Sampson's 658 



Seneca 539 



Virginia 352 



White 784 



Snapdragon 720 



Sneezeweed 844, 845 



Snow Trillium 294 



Snow-ball Tree 759 



Snowberry 757 



Creeping 637 



Snowdrop Tree 649 



Snow-on-the-Moun- 



tain 547 



Soapberry 559 



Family 559 



Soapwort 386 



Gentian 657 



Soft Chess 163 



SOLANACEAE 712 



Solanum 712 



carolinense 713 



citrullifolium 713 



Dulcamara 713 

 elaeagnifolium 713 



heterodoxum 713 



Melongena 712 



nigrum 713 



rostratum 713 

 sisymbriifolium 



713 



triflorum 713 



tuberosum 712 



Solea 579 



concolor 579 



Solidago 788 



alpestris 790 

 altissima 794, 796 



arguta 792 



aspera 794 



asperula 794 



bicolor 789 



Boottii 792 



caesia 788 



calcicola 790 

 canadensis 795, 796 



Curtisii 789 



Cutleri 790 



decumbens 791 



Drummondii 796 



Elliottii 794 



elongata 796 



erecta 789 



fistulosa 793 



flexicaulis 789 



Gattingeri 795 



graminifolia 797 

 gymnospermoides 

 798 



hispida 789 



Houghtonii 797 



humilis 791 



juncea 793 



lanceolata 797 



latifolia 789 



leptocephala 798 

 Lindheimeriana 



789 



macrophylla 790 



minor 797 



missouriensis 794 



mollis 795 



monticola 789 



Moseleyi 798 



neglecta 793 



nemoralis 795 



odora 793 



ohioensis 796 



patula 792 



petiolaris 788 



pilosa 794 



polycephala 797 



procera 796 



puberula 791 



Purshii 791 



racemosa 791 



radula 795 



Randii 790 



Riddellu 797 



rigida 796 



rigidiuscula 792 



roanensis 789 



rugosa 794 



rupestris 796 



sempervirens 792 



serotina 796 



Shortii 795 



speciosa 792 



squarrosa 788 



stricta 791 



tenuifolia 797 



tortifolia 793 



uliginosa 791 



ulmifolia 794 



uniligulata 793 



Virgaurea 790, 791 



Wardii 788 



Solomon's Seal 292 



False 291 



Great 292 



Small 292 



Sonchus 865 



arvensis 865 



asper 866 



oleraceus 865 



Sophia brachycarpa 



430 



incisa 430 



pinnaia 430 



Sophia 430 



Sophora 507 



sericea 507 



Sorbaria 457 



sorbifolia 457 



Sorbus 459 



americana 459 



Aucuparia 459 



sitchensis 459 



Sorghastrum 95 



nutans 95 



Sorghum halapense 



95 

 Sorrel 354, 357 



Common Wood 



533 



Field 357 



Garden 357 



Lady's 534 



Mountain 354 



Sheep 357 



Violet Wood 533 



Wood 532 



Sorrel-tree 636 



Sour Cherry 499 



Gum 625 



Sour-top Blueberry 



640 



Sour-wood 636 



Southern Buckthorn 



648 



Fox Grape 565 



Gooseberry 639 



Prickly Ash 537 



Red Lily 288 



Southernwood 849 



Sow Thistle 865 



Common 865 



Field 865 



Spiny-leaved 866 

 Spanish P.ayonet 290 

 Buttons 861 



Needles 841 



Oak 343 



Sparganiaceae 68 

 Sparganium 68 



americanum 69 

 androcladum 69 

 angustifolium 69 

 diversifolium 69 

 eurycarpum 68 

 fluctuans 69 



hyperboreum 69 

 lucidum 69 



minimum 69 



simplex 69 



Spartina 142 



caespitosa 143 



cynosuroides 143 

 glabra 143 



juncea 143 



Michauxiana 142 

 patens 143 



polystachya 143 

 stricta 143 



Spalhyema foetida 



258 



Spatter-dock 390 



Spear Grass 154, 156 



Spearmint 710 



Spearwort 395 



Creeping 395 



Smaller 395 



Water Plantain 



395 



Speckled Alder 337 



Specularia 766 



biflora 766 



leptocarpa 766 



perfoliata 766 



Speedwell 726 



Common 727 



Corn 728 



Field 728 



Ivy-leaved 728 



Marsh 727 



Purslane 728 



Thyme-leaved 728 



Water 727 



Spergula 379 



arvensis 379 



sativa 379 



Spergularia 378 



borealis 379 



canadensis 378 



marina 378 



media 379 



rubra 378 



salina 378 



Spermacoce 750 



glabra 751 



Spermolepis 613 



echinata 613 



patens 613 



Sphaeralcea 566 



acerifolia 566 



remota 566 



