INDEX 



921 



Sphenopholis 138 



nitida 138 



ohtusata 138 



pa liens 138 



palustris 139 



Spice Hush 414 



Spider-flower 439 



Spitlerwort 264 



Family 264 



Spiesia 517 



campestris 517 



Lumber ii 518 



splendens 518 



Spigelia 653 



marilandica 653 



Spike Grass 153 



Rush 180 



Spiked Loosestrife 



592 



Spikenard 606 



False 291 



Spilanthes 833 



americana 833 



repens 833 



Spindle Tree 556 



European 556 



Spiny-leaved Sow 



Thistle 866 



Spiraea 456 



Aruncus 457 



betuli folia 456 



corymbosa 456 



japonica 456 



latifolia 456 



lobata 484 



opulifolia 456 



prunifolia 456 



salicifolia 456 



sorbi folia 457 



tomentosa 456 



Ulmaria 485 



virginiana 456 



Spiranthes 313 



Beckii 313 



cernua 314 



decipiens 315 



gracilis 313 

 gracilis X vernalis 



314 



intermedia 314 



latifolia 314 



lucida Sl<f 



odorata 314 



ovalis 314 



praecox 314 

 Romanzoffiana 



314 



simplex 313 



vernalis 313 



Spirodela 259 



polyrhyza 259 



Spleenwort 38 



Spoon-wood 633 



Sporol)olus 129 



asper 130 



brevifolius 130 



canoviren^s 130 



clandostinus 130 



compressus 131 

 crypt and rus 131 

 cuspidatus \M) 



depaiiperatua I'M) 

 ejuncidus 131 



gracilis 131 



heterolepis 131 

 indicus 131 



junceus 131 



longifolitia 130 



neglectus 131 



Richardsonis 130 

 serotinus 132 



Torreyanus 131 

 uniflorus 131 



vaginiflorus 130 

 virginicus 131 



Spotted Cowbane 



614 



Medick 510 



Touch-me-not 560 



Wintergreen 628 



Sprangle-top 158 



Spreading Dogbane 



662 



Globeflower 404 



Spring Beauty 388 



Cress 435 



Vetch 526 



Spruce 65 



Black 65 



Bog 65 



Cat 65 



Norway 65 



Red 65 



White 65 



Spurge 545 



Caper 549 



Cypress 549 



Family 540 



Flowering 547 



Nettle 641 



Petty 549 



Seaside 545 



Spurred Gentian 659 



Spurrey 379 



Corn 379 



Sand 378 



Squash 764, 765 



Crookneck 765 



Squashberry 759 



Squaw Huckleberry 



639 

 Squaw-root 739 



Squaw- weed 852 



Squirrel Corn 417 

 Squirrel-tail Grass 



167 

 Stachys 701 



ambigua 701 



annua 701 



arenicola 702 



arvensis 701 



aspera 701, 702 

 cordata 702 



hyssopifolia 701 

 latidens /OJ 



Nuttallii 702 



palustris 702 



salviiiidoa 702 



t on ui folia 701 



Stuff ']>ce 557 



Family 556 



Staggor-bush 635 



Stagliorn Sumach 



552 



Standing Cypress 



675 



Sfaphylea 557 



trifolia 557 



Stai'uyleaceae 557 



Star Flower 646 



Grass 294, 299 



of liethlehem 2.S9 

 Thistle 859. S60 



Starry Campion 3S6 



Starwort 381, 799 

 Water 550 



Statice 643 



Limonium 643 



Steeple Jiush 456 



Stcinchisma hians 



117 



Steironema 646 



ciliatum 646 



intermedium 646 

 lanceolatum 646 

 longifolinm 646 

 quadriflorum 646 

 radicans 646 



ton sum, 646 



Stellaria 381 



aquatica 383 



borealis 381 



crassifolia 382 



fontinalis 382 



glauca 382 



graminea 382 



Holostea 382 



humifusa 382 



longifolia 382 



longipes 382 



metlia 382 



neglecta 382 



pubera 382 



uliginosa 381 



St em less Lady's 



Slipper 307 



Stenanthium 284 



anguj^tifolium 284 

 gramincum 2i<4 

 robust um 284 



Stenophragma 



Thalianum 430 



Stenophyllus 186 

 capillaris l.'^6 



Stenosiphon 602 



linifolius 002 



virgntus 602 



Stewart ia 570 



Malachodendron 



570 

 prnta«yna 570 

 firgiriica 570 



Stick Loaf 5.VS 



Stick*eed %1 



Stirk-tiRht R40. 841 



Stiff Ccrnel 625 



Water Crowfoot 



304 



StillinKia 544 



sylvatjca 544 



StinKiriK Nettle 348 



Stink Crass 150 



Stinking Clover 439 



Willie 853 



Stipa 123 



avenarea 123 



canadensis 123 



comata 124 



Macounii 123 



RichnrdBoni 123 



spartea 124 



viridula 123 



Stone Clover 509 



Stonecrop 442 



Ditch 442 



Mossy 443 



Stone-root 711 



Storax aOO 



Family 6-J9 



Storksbill 536 



Stromoniura 717 



Strawberry 479 



Barren 4S0 



Blite 366 



Bush ."iSe 



In.lian 480 



Tomato 715 



Streptopus 292 



amplcxifoliufl 292 



longipea 292 



roseus 292 



Striped Maple 558 



Strophostyles 528 



atiguliisa 529 



helvola 528 



pauciflora 529 



peduixcxilnns 629 



umbollata 529 



Stylophorum 415 



•liphylium 415 



Stylosiinthes 525 



biflora 525 



elatuir 525 



riparia 525 



Styhacaceae 649 



Sty rax 650 



americana 6.">0 



grandifolia 6.'>() 



pulveruleuta ti.'>" 



Suae* la 3tH> 



atnericana 370 



deprc.HSJi 370 



linearis 370 



muritima 370 



Richii 370 



Subulnrin 426 



atiuntica 426 



Surcisa "6.3 



australis "04 



pratonsia "<^'* 



Succory 862 



Gum W4 



