195 



Rockweed, 162, 163. 



Roiniin Wormwood, 64. 



Rosa, 50. 



Rosacese, 47. 



Rose Acacia, 45. 



Rose Family, 47. 



Rough Bed-straw, 59. 



Rough Meadow Grass, 126. 



Round-leaved Cornel, 58. 



Round-leaved Violet, 35. 



Roxljury Waxwork, 43. 



Royal Fern, 136. 



Rubiacese, 59. 



Rubus, 49. 



Rubus odoratus, 19, 49. 



Rudbecliia, 65. 



RiKlbeckia hirta, 16, 65. 



Rue Anemone, 29. 



Rue Family, 42. 



Rumex, 92. 



Running Swamp Blackberry, 50. 



Ruppia, 104. 



Rush Family, 113. 



Russell, John L., 24. 



Rutaccse, 42. 



Rye, 128. 



Sagedia, 155. 



Sagina, 39. 



Sagittaria, 106. 



St. Jolin's-wort, 37. 



St. John's-wort Family, 37. 



Salicaceae, 99. 



Salicornia, 90. 



Salix, 99. 



Salix Candida, 12. 



Salix myrtilloides, 12, 99, 100. 



Salsola, 90. 



Salt-marsh Fleabane, 64. 



Salt-marsh Grass, 125. 



Saltwort, 90. 



Sambucus, 59. 



Sandal-wood Family, 93. 



Sand Grass, 125. 



Sand Spurry, 39. 

 Sand-wort, 38. 

 Saiiguinaria, 32. 

 Sanicula, 56. 

 SantalucesB, 93. 

 SapindacesB, 43. 

 Saponaria, 37. 

 Sarracenia, 32. 

 Sarraceniacese, 32. 

 Sarsaparilla, 57. 

 Sassafras, 93. 

 Saxifraga, 51. 

 Saxifragaceas, 51. 

 Saxifrage, 51, 52. 

 Saxifrage Family, 51. 

 Scapania, 145. 

 Scarlet-fruited Thorn, 50. 

 Scarlet Oak, 97. 

 Scheuchazeria, 106. 

 Schistidium, 139. 

 Scliistidium (Grimmia), 170. 

 SchoUera, 114. 

 Scirpus, 116. 

 Scleranthus, 39. 

 Scotch Lovage, 56. 

 Scotch Pine, 101. 

 Scouring Rush, 133. 

 Scrophularia, 78. 

 Scrophulariacese, 78. 

 Scutellaria, 82. 

 Scytosiplion, 165. 

 Sea Blite, 90. 

 Sea Cabbage, 166. 

 Sea Club Rush, 117. 

 Sea-cocklebur, 65. 

 Sea-colander, 163. 

 Sea Rocket, 35. 

 Seashore Plantain, 75. 

 Seaside Crowfoot, 30. 

 Seaside Goldenrod, 63. 

 Sua Lettuce, 166. 

 Sea Milkwort, 76. 

 Seaweeds, 157. 

 Secale, 128. 



