
Red Ash 50 
Baneberry 30 
Campion 28 
Cedar 5 
Clover 37 
Currant 37 
Maple 41 
Mulberry 24 
Oak 23 
Pine 5 
Spruce 5 
oO 9 
Red-ber’d Elder 55 
Red-ozier Dog- 
wood 47 
Red-root 42 
Red-seeded Dan- 
delion 64 
10 
Bent Grass 
Canary Grass 8 
Meadow Grass I1 
Rhamnus 42 
44 
Rhododendron 45 
Rhus 40 
Ribbon Grass 8 
Ribes 
34 
Rib Grass 57 
Rice Cut-grass 8 
Richweed 24 
River-b’nk Grape 42 
River Bulrush 12 
Ww 33 
Robinia cs 
Robin’s Plantain 61 
Rock Brake I 
Cress 32 
Rockrose 43 
Roman Worm- 
wood 62 
Rosa 37 
Rose 37 
Mallow 42 
Rough Bedstr’w 57 
Rough-stalked 
Mead’w Gr’s 10 
Round-leaved 
Cornel 47 
Sundew 33 
Violet 44 
Rubus 6 
Rudbeckia 2 
Rue Anemone = 29 
Rumex 25 
Rush 17 
Grass 9 
- ae Thistle 26 
utabaga 32 
Rye Grass II 
Rynchospora 13 
Ss 
Sagina 27 
Sagittaria 7 
Salix 21 
Salsif 64 
Salsola 
Saltwort 26 
Sambucus 38 
ye 
Sand Bar Willow 21 
Cherry 37 
Spurrey 27 
Sandbur 8 
Sandwort 27 
Sanguinaria 31 
Sanguisorba 36 
Sanicle 46 
Sanicula 46 
Saponaria 28 
Sarracenia 33 
Sassafras 31 
Satureja 53 
Savory 53 
Saxifraga 33 
Saxifrage 33 
Scarlet Oak 2 
Painted Cup 5 
Scheuchzeria 7 
Schwalbea 35 
Scirpus 12 
Scleranthus 27 
Scleria 13 
Scorpion-grass 52 
Scotch Pine 5 
Rush 3 
Scourin 
Scrophularia 35 
Scutellaria 33 
Sedge 13 
Sedum 33 
Seedbox 45 
Selaginella 3 
Self-heal 53 
Sempervirum 3 
Senecio 3 
Senna 37 
Sensitive Fern 2 
Sericocarpus 61 
Setaria 
Shad Bush 34 
Shagbark Hick’y 22 
Sheep Laurel 48 
Sorrel 25 
rp Fescue II 
Sheph’rd’s Purse 31 
Shield Fern I 
Shin Leaf 7 
Shining Willow = 
ont Lady’s 
Slipper 19 
Orchis 19 
Shrubby Cinque- 
foil 35 
Sickle-pod 32 
Sicyos 39 
Silene 28 
Silky Cornel 47 
Willow 
Silver Maple 41 
Silvery Cinquef’! 35 
Sisymbrium ii, 32 
Sisyrinchium 19 
Sium 40 
Skullcap 53 
Skunk Cabbage 1 
Currant 34 
Sleepy vaca! 28 
Slender Gerardia 56 
Slippery Elm 24 
Slough Grass 10 
Small Cranberry 49 
Bugloss 52 
Small Solomon’s 
Sea 1 
Smaller Bladder- 
wort 5 
Yellow Lady’s 
Slipper 19 
Small-Howered 
Crowfoot 29 
Smartweed 25 
Smilacina 15 
Smilax 18 
Smooth Alder 23 
False Foxgl’e 55 
Gooseberry 34 
Sumac 40 
Winterberry 41 
Snowberry 58 
Solanum 54 
Solidago 
Solomon’s Seal 18 
Sonchus 64 
Sorbaria 34 
Sow Thistle 64 
Sparganium 6 
Spartina 10 
Spearmint 54 
Speckled Alder 23 
Specularia 59 
Speedwell 55 
Sphenopholis 9 
Spergula 27 
Spergularia 27 
Spice Bush 31 
Spiderwort 16 
Spiked Loose- 
strife 44 
Spikenard 45 
Spike Rush I2 
Spiraea 34 
Spiranthes 20 
Spirodela 16 
Spleenwort I 
Sporobolus 9 
Spotted Cowbane 46 
eo 42 
intergreen 47 
Spreading Dog- 
bane 50 
Spring Beauty 28 
Cress 32 
Vetch 38 
Spring-leaved 
Sow Thistle 64 
Spruce 5 
Spurge 40 
Spurred Gentian 50 
Squaw-root 5 
Squirrel Corn 31 
Stachys 33 
Staff Tree 41 
Staghorn Sumac 40 
Staphylea 41 
Star Flower 50 
Grass 18 
Thistle 6 
Star of Bethle’m 18 
Starry Campion 28 
Steironema 49 
Stellaria 27 
Stemless Lady’s 
Slipper 19 
Stenophyllus 12 
Stickseed 52 
Stiff Water Crow- 
foot 29° 
St. John’s-wort 43 
Stonecro 
Stramonium 34 
Strawberry 35 
Blite 26- 
Tomato 34 
Streptopus 18 
Striped Maple 41 
Struthiopteris 2 
Sugarberry 24 
Sugar Maple 41 
Sumac 40° 
Sundew 33 
Sundrops 5 
Sunflower ra 
——- But’rcup 29 
Doc 25 
Loosestrife 44 
Milkweed I 
Saxifrage = 
Thistle 3 
White Oak 23 
Sweet Birch 23. 
Sweetbrier 37 
Cicely 460° 
Clover 8 
Coltsfoot 3 
ern 22 
Flag 16 
Gale 22 
Golden-rod 60 
Pepperbush 47 
Vernal Grass 8- 
Jiburnum 
William Cat nity 
illiam Catc x 
Woodruff 57 
Switch Grass 7 
Sycamore 34. 
Symphoricarpos 58 
Symphytum 52 
Symplocarpus 16 
T 
Taenidia 46> 
Tall Buttercup =f 
heron, 
Meadow Rue 29 
Oat Grass 10 
Red Top 10 
Tanacetum 63 
Tansy 63. 
Tartarian Honey- 
suckle 58 
Taraxacum 4 
Taxus 5 
Teaberry 49° 
Teasel 59: 
Tephrosia 3 
Teucrium 52 
Thalictrum 29 
Thaspium 46 
Thimbleberry 36 
Thin Grass 9 
Thistle 63 
Thorny vornac gue 
