ENGLISH AND VULGAR NAMES. 
Partridge Pea . 205 
Pennsylvania Catchfly 211 
Pearl-wort Spurrey 214 
R. 
Rich-weed . . 15 
Rattle-weed . - 15 
Red-root . . 22 
Rough-spiked Mariscus 30 
Rush, three-sided . 34 
Rough-headed Fuirena 36 
Rice-grass, Virginian 41 
Red-top . . 43, 64 
Reed-like Cinna . 44 
Reed-grass . . 44 
Reed-like Calamagrostis 45 
Rough -stemmed Spear- 
grass . . 60 
River Festuca . . 66 
Reed, cinna-iike . 70 
Rye-grass, Virginian 72 
Red Willow . . 87 
Rose Willow . . 87 
Rib-wort ... 88 
Red Chickweed . 106 
Red-flowered Fever-root 115 
Round-leaved Sun-dew 116 
Red-root . . 126 
Red Elm . . 151 
Rush, slender . 170 
Rough-headed Rush 170 
Rush, rough-headed 170 
Rush, field . . 171 
Red Maple . 185 
Red-bud . . 198 
Round-leaved Winter- 
green . . 202 
Red-bud . .207 
Rose, small wild . 231 
Rose, swamp . .231 
Raspberry, red-fruited 232 
Red-fruited Raspberries 232 
Raspberry, black . 233 
Raspberry, rose-flowering 234 
Rubus, sweet-scented 234 
S. 
Smooth Speedwell . 5 
Scull-cap Speedwell 5 
Shawnees-wood . . 9 
Sage, lyre-leaved . 15 
Sword-pointed B.lue-eyed- 
grass . . 23 
Schollera, grass-leaved 24 
Short-leaved Xyris . 97 
Sheathed Dulichium 29 
Scirpus, autumnal . 34 
Spreading Muhlenbergia 39 
Sickle-grass . . 41 
Sweet-scented Vernal-grass 45 
Sweet Anthox . 45 
Slender Paspalura . 52 
Slender-spiked Beard-grass 56 
Salem-grass . - 58 
Spear-grass, common 60 
Spear-grass, rough-stemmed 60 
Slender Meadow-grass 62 
Short-leaved Fescue-grass 67 
Sky-blue Houstonia 84 
Swamp Dogwood . 87 
Skunk Cabbage . . 92 
Skunk-weed . . 92 
Skunk Cabbage, narrow- 
spathed . . 92 
Scorpion-grass, mouse-ear 100 
Scorpion-grass, field 100 
Scorpion-grass, Virginian 101 
Scarlet Pimpernel 106 
Spotted-stemmed Phlox 107 
Spotted-stalkedLychnidea 107 
Stramonium . . Ill 
Sun-dew, round-leaved 116 
Sun-dew, long-leaved . 116 
Summer-grape . . 117 
Spindle-tree . . 127 
St. John’s-wort-leaved 
Dog’s-bane . . 130 
Syrian Swallow-wort . 131 
Silk-weed . . 131 
Swallow-wort, Syrian . 131 
Soapwort Gentian . 134 
Spreading Orache . . 148 
Salt-wort . . . 150 
Slippery Elm . . 151 
Sugar-berry Tree . 151 
Stag-horn Shumach . 153 
Smooth Shumach . . 153 
Shumach, stag-horn . 153 
Shumach smooth . .154 
Shumach, poison . . 154 
Shumach, swamp . 154 
Swamp Shumach . . 154 
Sarsaparilla . . 156 
Spikenard . , 156 
