INDEX 



353 



Radish, Wild, 152 

 Ragged Robin, 126 

 Ragweed, 307 



Great, 307 

 Ragwort, Golden, 339 

 Ransted, 279 

 Raspberry, Black, 167 



Dwarf, 166 



Purple-flowering, 166 



Purple Wild, 167 



Wild Red, 167 

 Rats-tail, 38 

 Rattle-box, 182 

 Rattlesnake Plaintain, 

 Downy, 95 

 White-blotched, 



95 

 Rattlesnake-root, 307 



Corymbed, 307 

 Tall, 307 

 Rattlesnake-weed, 306 

 Raj'-grass, 40 

 Red-bud, 179 

 Red-root, 207 

 Red-top, 28 



False, 35 

 Tall, 32 

 Reed, 32 



Reed-grass, Bog, 29 

 Nuttall's, 29 

 Porter's, 29 

 Salt, 31 



Slender Wood, 28 

 Wood, 27 

 Rhodora, 238 

 Rib-g^ass, 289 

 Ribwort, 289 

 Rice, Indian, 23 



Wild, 23 

 Richweed, 109 

 Rich-weed, 274 

 River-weed, 158 

 River-weed Family, 158 

 Robin's Plantain, 326 

 Rock-cress, Hairy, 155 

 I,yre-leaved, 155 

 Smooth, 155 

 Spreading, 155 

 Toothed, 155 

 Rocket, American Sea, 

 152 

 Dyer's, 157 

 False, 150 

 Purple, 150 

 Wall, 156 

 Yellow, 151 

 Rock-rose Family, 213 

 Rose, Canker, 173 

 Climbing, 172 

 Cotton, 327 

 Dog, 173 

 Low, 173 

 Meadow, 172 

 Pasture, 173 

 Prairie. 172 

 Shining, 173 

 Smooth, 172 

 Swamp, 173 



Rose Family, 163 

 Rose-Mallow, Halberd- 

 leaved, 210 

 Swamp, 210 

 Rosemary, Wild, 239 

 Rose-of-Sharon, 210 

 Rose-pink, 247 

 Rose Bay, 239 

 Roseroot, 159 

 Rose wort, 159 

 Rosin-weed, Whorled, 



329 

 Rotala, 220 

 Rue Family, 195 

 Rue-anemone, 138 

 Ruellia, Hairy, 288 



Smooth, 288 

 Rush, Awl-leaved, 79 



Baltic, 78 



Bayonet, 79 



Bog, 78 



Brownish-fruited, 79 



Canada, 79 



Chair-maker's, 47 



Dudley's, 79 



Forked, 79 



Grass-leaved, 79 



Jointed, 79 



Knotted, 79 



Pennsj-lvania, 78 



Richardson's, 79 



Scirpus-like, 79 



Secund, 79 



Sharp-fruited, 80 



Slender, 79 



Small-fruited, 79 



Thread, 78 



Toad, 78 



Torrey's, 79 



Yard, 79 

 Rush Family, 77 

 Rush-grass, India, 27 



Long-leaved, 27 

 Rough, 27 

 Sheathed, 27 

 Rye-grass, 40 



Sage, Lyre-leaved, 269 

 Nettle-leaved, 269 

 American Wood, 264 

 Sagittaria, Grass-leaved, 

 10 

 Subulate, 10 

 St. Andrew's Wort, 211 

 Stjohn's-wort, Canadian, 

 213 

 Clasping-leaved, 



213 

 Common, 212 

 Creeping, 212 

 Dwarf, 213 

 Elliptic-leaved, 



212 

 Giant, 212 

 Great, 212 

 Kalm's, 212 

 Larger Canadian, 

 213 



St. John's- wort. Larger 

 Marsh, 213 

 Marsh, 213 

 Northern, 212 

 Pale, 212 

 Shrubby, 212 

 Spotted, 212 

 Virgate, 212 



St. John's-wort Family, 



211 



St. Peter's- Wort, 211 

 Salsify, Meadow, 303 

 Saltwort, 121 

 Sandalwood Family, 112 

 Sand Bur, 276 

 Sand-grass, 32 

 Sand-reed, Sea, 29 

 Sandwort, Blunt-leaved, 

 130 



Mountain, 130 



Rock, 130 



Thyme-leaved, 130 

 Sanicle, 228 

 Sarsaparilla, Bristly, 226 



Virginian, 225 



Wild, 225 

 Sassafras, 143 

 Savory, 270 



Summer, 270 

 Saxifrage, Early, 160 



Golden, 161 



Lettuce, 160 



Pennsylvania, 160 



Swamp, 160 

 Saxifrage Family, 160 

 Scabious, Sweet, 326 

 Scoke, 123 



Scorpion-grass, Blue, 260 

 Field, 260 

 Spring, 260 

 Yellow, 260 

 Scotch Broom, 182 

 Scutch-grass, 31 

 Sea-blite, Low, 121 

 Sedge, Awl-fruited, 68 



Bailey's, 61 



Barratt's, 63 



Bent, 66 



Black-edged, 68 



Bladder, 60 



Blunt Broom, 71 



Bottle, 61 



Bristle-leaved, 67 



Bristle-stalked, 68 



Bristly, 62 



Broad-leaved, 67 



Broad-winged, 71 



Brome-like, 70 



Brown, 63 



Brownish, 70 



Bur-reed, 69 



Button, 61 



Carey's, 67 



Carolina, 64 



Cat-tail, 62 



Collins', 60 



Creeping, 68 



Crested, 71 



23 



