INDEX 



9W 



Scutellaria lateri- 

 flora 694 

 nervosa 696 

 parvula 696 

 piloaa 695 

 saxatilis 694 

 serrata 695 

 versicolor 694 



Scurvy Grass 433 



Scutch Grass 144 



Sea Elite 369 

 Lavender 643 

 Lungwort 685 

 Milkwort 647 

 Oats 153 

 Ox-eye 833 

 Poppy 415 

 Purslane 377 

 Rocket 427 

 Rocket, Ameri- 

 can 427 

 Sand-reed 136 

 Spear Grass 160 



Seaside Alder 337 



Crowfoot 394 



Gerardia 731 



Heliotrope 680 



Plantain 745 



Spurge 545 



Sedge 204 



Family 171 



Sedum 442 



acre 443 



Fabaria 443 



Nevii 443 



Nuttallianum 443 



pulcheUum 443 



purpureum 443 



reflexum 443 



Bhodiola 443 



roseum. 443 



stoloniferum 443 



telephioides 443 



Telephium 443 



ternatum 443 



Torreyi 443 



Seedbox 595 



Selaginella 57 



apus 58 



rupestris 57 



selaginoides 57 



spinoaa 57 



Selaginei.laceae 



57 



Selenia 433 



aurea 433 



Self-heal 698 



Sempervivum • 443 



tectorum 443 



Senehiera 426 



Coronopus 426 



didyma 426 



Seneca Grass 122 



Snakeroot 539 



Senecio 852 

 antennariifolius 



855 



fiureue S54 



Balsamitae 854 



canus 855 



Craw/ordii 854 



discoideus 854 



glabellus 853 



integerrimus 855 



Jacobaea 853 



lobatus 853 



obovatus 854 



palustris 853 



plattensia 855 



Pseudo-Arnica 855 



Robbinsii 854 



Smallii 854 



sylvaticus 853 



tomentosus 855 



viscosus 853 



vulgaris 853 



Senna 504 



Wild 504, 505 



Sensitive Brier 503 



Fern 45 



Joint Vetch 518 



Plant, Wild 505 



Serapias 313 



Helleborine 313 



Sericocarpus 818 



asteroides 818 



bifoliatus 818 



conyzoides 818 



linifoUus 818 



solidagineus 8 18 



tortifolius 819 



Serinia 862 



oppositifoUa 862 



Service Berry 459 



Sesame Grass 92 



Sesban 514 



Sesbania 514 



macrocarpa 514 



Sesuvium 377 



maritimum, 377 



pentandrum, 377 



Setaria 118 



glauca lis 



imberbis 1 18 



italica 119 



magna 119 



verticillata 118 



viridis 118 



Seymeria 729 



macrophylla 729 



Shad Bush 459 



Shag-bark Hickory 



331 



Sheep Laurel 633 



Sorrel 357 



Sheepberry 760 



Sheep's Fescue 161 



Sheep's-bit 768 

 Shell-bark Hickory 



331 



Shepherd's Purse 426 



Shepherdia 590 



argentea 590 



canadensis 590 



Sherardia 747 



arvepgis 747 



Shield Fern 41 



Shin Leaf 628, 629 

 Shingle Oak 344 



Shining Willow 321 

 Shooting Star 647 

 Showy Lady's S Up- 

 per 307 

 Orchis 307 

 Shrub Yellow-root 



408 



Shrubby Althaea 569 



Bitter-sweet 557 



Cinquefoil 483 



St. John's-wort 573 



Trefoil 537 



Sibbaldia 480 



procumbene 480 



Sibbaldiopsia triden- 



tata 483 



Siberian Crab 458 



Sickle-pod 438 



Sieyos 765 



angulatus 765 



Sida 567 



Elliottii 567 



hermaphrodita 567 



Napaea 567 



spinosa 567 



Sideranthus spinu- 



losita 798 



Side-saddle Flower 



440 

 Sieversia dUata 486 

 Peckii 486 



Silene 385 



acaulis 386 



alba 386 



anglica 385 



antirrhina 385 



Armeria 385 



I caroliniana 386 

 conica 385 



Cucubalus 386 

 dichotoma 385 

 gallica 385 



infiata 386 



latifolia 386 



Menziesii 385 



nivea 386 



noctiflora 385 



nutans 385 



pennsylvanica 386 

 regia 386 



rotimdifolia 380 

 stellata 386 



vlrginica 386 



vidgaria 386 



Silkweed 663 



Common 665 



Silky Cornel 624 



Willow 326 



Silphium 825 



Asteriacus 825 

 integrifoUum 825 

 laciniatum 825 

 perfoUatum 826 

 terebinthinaceum 

 825 



trifoliatum 825 

 Silver Maple 558 



Weed 484 



Silver-bell Tree 649 

 Silverberry 590 



Silver-leaved Poplar 

 328 

 Silvery Cinquefoil 



482 

 Silybum 859 



marianum 859 



SiMARUBACEAE 538 



Sinapis alba 428 



arvensis 428 



Sisymbrium 429 



altissimum 429 



canescens 430 



humilis 430 



incisum 430 



Irio 430 



Nastwrtium-aquaii- 



cum 431 



officinale 429 



Sophia 430 



Thalianum 430 



Sisyrinchium 301 



albidum 302 



anceps 303 



angustifolium 302 



apiculatum 303 



arenicola 303 



atlanticum 303 



campeetre 302 



Farweim 303 



flaviflorum 302 



gramineum 303 



graminoides 303 



hastile 302 



intermedium 303 



montanum 303 



mucronatiun 302 



strictiun 303 



Sitanion longifoUum 



170 



Sitilias 869 



caroliniana 869 



Slum 6 1 5 



angustifolium 615 



Caraonii 615 



cicutaefolium 615 



linear e 615 



Skeleton-weed 864 



Skullcap 694 



Mad-dog 694 



Skimk Cabbage 258 



Currant 452 



Sleepy Catchfiy 385 



Slender Blue Flag 



300 



Gerardia 731 



Rattlesnake-root 



870 



Slippery Ehn ' 345 



Sloe 498 



Slough Grass 142 



Small Bugloss 683 



Cane 171 



Cranberrv *^4» 



