Page 



Rose Acacia 46 



Rose Family 41 



Roseroot 40 



Rosin Weed 69 



Rough Bedstraw 65 



Round-Leaved Cornel 55 



Round-Leaved Sundew 40 



Royal Fern 13 



RUBIACEAE 65 



Rubus 44 



Rudbeckia 69 



Rue 46 



Rue Anemone 36 



Rue Family 48 



Rumex i2 



Rush 13.21.25 



Rush Family • 25 



Rush Grass 18 



Russian Thistle 2>i 



RUTACEAE 48 



Rye 20 



Rye Grass 20 



Rynchospora 21 



Sabatia 58 



Sage 60,61 



Sagina 34 



Sagittaria 16 



Saint John's Wort 51 



Saint John's Wort Family.. 51 



Salicaceae 28 



Salix 28 



Salsify 71 



Salsola a 



Saltwort 2i2i 



Salvia 61 



Sambucus 66 



Sandalwood Family 31 



Sand-Bar Willow 29 



Sandbur 17 



Sand Cherry 45 



Sand Spurrey 34 



Sandwort 34 



Sanguinaria 38 



Sanguisorha 44 



Sanicula 54 



Santalaceae 31 



Sapindaceae 50 



Saponaria 35 



Sarracenia 40 



Sarraceniaceae 40 



Sarsaparilla 54 



Sassafras 38 



Saw Brier 27 



Saxifragaceae 40 



Saxif raga 40 



Saxifrage 40 



Saxifrage Family 40 



Scarlet Lychnis 34 



Scarlet Oak 30 



Page 



Scheuchzeria 15 



Schizaeaceae 12 



Scirpus 21 



Sclcranthus H 



Scleria 21 



Scorpion Grass 60 



Scouring Rush 13 



Scrophularia 63 



Scrophulariaceae 62 



Scrub Oak 30 



Scrub Pine 14 



Scutellaria 60 



Secale 20 



Sedge 21 



Sedge Family 20 



Sedum 40 



Seedbox 53 



Selaginella 14 



Selaginellaceae 14 



Self Heal 60 



Senecio 71 



Senna 45 



Sensitive Fern 12 



Sensitive Plant 45 



Sericocarpus 68 



Service Berry 42 



Setaria 17 



Shad Bush 42 



Sheep Laurel 56 



Sheep's Fescue 19 



Sheep Sorrel 32 



Shell-Bark Hickory 29 



Shepherd's Purse 39 



Shield Fern 12 



Shining Willow 28 



Shin Leaf 56 



Showy Orchis 27 



Shrubby Bitter-Sweet 49 



Shrubby Cinquefoil 44 



Sickle Pod 40 



Sicyos 66 



Side-Saddle Flower 40 



Silene 34 



Silkv Cornel 55 



Silky Willow 29 



Silphium 69 



Silver-Leaved Poplar 29 



Silver Maple ^ . 50 



Silvery Cinquefoil 43 



Simarubaceae 48 



Simple-Stemmed Bur-Reed. 15 



Sisymbrium 39 



Sisyrinchium 27 



Sium 54 



Skullcap 60 



Skunk Cabbage 24 



Skunk Currant 41 



Sleepy Catchfly 34 



Slender Gerardia 63 



Slender Nettle 31 



85 



