MIDDLESEX FLOEA. 



197 



Eay Grass, 133. 

 Red-top, 130. 

 Reed, 129. 

 Reed Grass. 127. 

 Rhamnacese, 21. 

 Rhamnus, 21. 

 Rhexia, 39. 

 Rhizoclonium, 156. 

 Rhododendron, 62. 

 Rhodora, 63. 

 Rhodymemia. 153. 

 Rhus, 21. 



Rhynchospora, 114. 

 Ribbon Grass, 125. 

 Ribes, 34. 

 Ribgrass, 64. 

 Riccia, 149. 

 Eichweed, 72, 91. 

 Rlnodina, 170. 

 Riverweed, 90. 

 Riyularia, 162. 

 Robinia, 27. 

 Robin's Plantain, 49. 

 Rock Cress, 6, 7. 

 Rocket, 7, 9, 10. 

 Rock-rose, 12. 

 Roman Wormwood, 51. 

 Rosa, 33. 

 RosacesB, 30. 

 Rose, 33. 

 Rose Acacia, 27. 

 Rose Mallow, 18. 

 Rosin-weed, 51. 

 Roxbury Waxwork, 22. 

 Royal Fern, 137. 

 Rubiaceee, 44. 

 Rubus, 32. 

 Rudbeckia, 62. 

 Rue, 20. 

 Bumex, 88. 

 Ruppia, 99. 

 Rush, 109. 

 Rutacese, 20. 

 Rye, 133, 134. 



Rye Grass, 133. 



Sabbatia, 80. 

 Sacheria, 153. 

 Sagina, 16. 

 Sagittaria, 102. 

 Salicacese, 94. 

 Salieornia, 84. 

 Salix, 94, 

 Salsola, 85. 

 Salt Grass, 124. 

 Salt-marsh Fleabane, 51. 

 Salt-marsh Grass, 124. 

 Saltwort, 85. 

 Salvia, 72. 

 Sambucus, 44. 

 Saraolus, 66. 

 Samphire, 84. 

 Sandalwood, 89. 

 Sand Grass, 129. 

 Sandwort, 15. 

 Sanguinaria, 5. 

 Sanicula, 40. 

 Santalacese, 89. 

 Sapiadacese, 22. 

 Saponaria, 14. 

 Sarraceuia, 4. 

 Sarraceniaceas, 4. 

 Sarsaparilla, 42. 

 Sassafras, 89. 

 Satnreia, 71. 

 Savin, 97. 

 Saxifraga, 35. 

 Saxitragacese, 34. 

 Saxifrage, 35. 

 Scheuchzeria, 101. 

 Scapania, 150. 

 Scarlet-fruited Thorn, 34. 

 Scilla, 108. 

 Sclrpus, 113. 

 Scleranthus, 17. 

 Scleria, 114. 

 Scouring-rush, 135. 

 Scrophularia, 68. 



