314 



American Midland Naturalist Monograph No. 2 



Rhododendron 199 



Rhus 1 77 



Rhynchospora 74 



Ribes 146 



Rich weed 223 



Robinia 1 64 



Rock-brake 39 



Rockcress 141, 142 



Rockrose Family 185 



Rock Pink 123 



Rorippa 139, 142 



Rosa 1 53 



ROSACEAE 147 



Rose 153, 154 



Rose Family 147 



Rose Mallow 183 



Rose-pink 205 



Rosmweed 259 



Rotala 189 



Royal Fern Family 34 



RUBIACEAE 235 



Rubus 1 52 



Rudbeckia 259 



Rue-anemone 1 32 



Rue Family 172 



Ruellia 234 



Rumex 1 15 



Rush 89 



Rush Family 89 



RUTACEAE 1 72 



Rye 55 



R\inchospora 74 



Sabatia 205 



Saccharodendron 1 79 



Sage 220 



Sagina 124 



Sagittaria 45 



St. Andrews-cross 183 



St. John's-wort 183, 184, 185 



St. Johns-wort Family 183 



Salicaceae 101 



Salix 1 02 



Salsify 269 



Salsola 121 



Saltwort 121 



Salvia 220 



Sai.viniaceae 39 



Sambucus 237 



Samolus 201 



Sandalwood Family 113 



Sandbur 67 



Sandwort 124 



Sand Rocket 138 



Sanguinaria 135 



Sanguisorba 1 5 1 



Sanicie 196 



Sanicula 196 



Santalaceae 1 13 



Sapodilla Family 203 



Saponana 126 



Sapotaceae 203 



Sarcosiphon 98 



Sarothra 184 



Sarracenia 1 44 



Sarraceniaceae 144 



Sassafras 1 34 



Satiireia 221, 222 



Saururaceae 101 



Saururus 1 01 



Savastana 61 



Savory 221 



Sawbrier 95 



Saxifragaceae 145 



Saxif raga 145 



Saxifrage 145 



Saxifrage Family 145 



Schedonnardus 61 



Scheuchzeria 44 



Schmallzia 1 77 



Schrankia 161 



Scirpus 72, 73 



Scleraiithiis 122 



Selena 75 



Scouring-rush 33 



Scrophulana 227 



Scrophulariaceae ...; 225 



Scutellaria 218 



Sea Rocket 138 



Secale 55 



Sedge 69, 72, 74, 75 



Sedge Family 68 



Sedum 144 



Seedbox 190 



Selaginella 32 



Selaginellaceae 32 



Selfheal 220 



Seneca Snakeroot 173 



Senecio 267 



Sensitive-brier 161 



Serinia 269 



Serviceberry I 54 



Setaria 67 



Shadbush 1 54 



Shepherdia 188 



Shepherd's Purse 143 



Shinleaf 199 



Shooting-star 202 



Sihara 141 



Sicklepod 142 



Sicycos 24 1 



Sida 183 



Sidopsis 1 82 



Sieversia 1 5 1 



Silene 125 



Silphium 259 



Silverbel! Tree 203 



Silverweed 1 50 



SlMARUBACEAE 1 73 



Sisymbrium 139, 142 



