INDEX 



141 



Red Maple, 91. 



Mulberry, 53. 



Oak, SI. 



Raspberry, 80. 

 Red-berried Elder, 120. 

 Redbud, 82. 



Red-osier Dogwood, 100. 

 Rhododendron, loi. 



nudiflorum, 102. 



viscosum, loi. 

 Rhus, 89. 



canadensis, 89. 

 Rib-grass, 116. 

 Ribes, 75. 



Cynosbati, 75. 



floridum, 75. 



oxyacanthoides, 75. 

 River Birch, 48. 



Grape, 93. 

 Robinia, 84. 



pseudacacia, 84. 

 Rock Cress, 73. 



Cress, Smooth, 73. 

 Rockrose Family, 94. 

 Rosa, 79. 



blanda, 79. 



Carolina, 79. 



humilis, 79. 

 RosACEAE, 76. 

 Rose Family, 76. 



Pasture, 79. 



Swamp, 79. 



Wild, 79. 

 Rosemary, Bog, 102. 

 Rough Cinquefoil, 78. 

 RuBiACEAE, 116. 

 Rubus, 80. 



allegheniensis, 81. 



hispidus, 81. 



idseus, 80. 



occidentalis, 81. 



odoratus, 81. 



triflorus, 81. 



villosus, 81. 

 Rudbeckia, 121. 



hirta, 121. 

 Rue Anemone, 61. 



Early Meadow, 60. 



Family, 86. 

 rutaceae, 86. 



Salicaceae, 42. 

 Salix, 42. 



amygdaloides, 42. 



cordata, 43. 



discolor, 43. 



longifolia, 43. 



nigra, 42. 

 Sambucus, 120. 



racemosa, 120. 

 Sand Cherry, 80. 

 Sand-bar Willow, 43. 

 Sandalwood Family, 54. 

 'Sandwort, 56. 

 Sanguinaria, 68. 



canadensis, 69. 

 Santalaceae, 54. 

 Sapindaceae, 92. 

 Sarsaparilla, Wild, 97. 

 Sassafras, 67, 68. 



variifolium, 68. 

 Saxifraga, 74. 



pennsylvanica, 74. 



virginiensis, 74. 

 Saxifeagaceae, 74. 

 Saxifrage, Early, 74. 



Family, 74. 



Swamp, 74. 

 Scarlet Oak, 52. 

 Scrophularia, 113. 



marilandica, 113. 

 Scrophulakiaceae, 112. 

 Seneca Snakeroot, 87. 

 Senecio, 123. 



aureus, 123. 

 Service Berry, yj. 

 Shadbush, 77. 

 Shingle Oak, 7. 

 Shepherd's Purse, 71. 

 Shepherdia, 96. 



canadensis, 97. 

 Shooting Star, 105. 

 Silene, 57. 



antirrhina, 57. 

 Silver Maple, 91. ., 



Weed, 79. 

 Silvery Cinquefoil, 78. 

 Sisyrinchium, 41. 



augustifolium, 41. 

 Skunk Cabbage, 33. 

 Sleepy Catchfly, 57. 

 Slippery Elm, 52. 

 Small Solomon's Seal, 38. 

 Small-flowered Buttercup, 59. 

 Smilacina, 36. 



racemosa, 36. 



