200 



MIDDLESEX FLOEA. 



Tower Mustard, 7. 

 Tradescantia, 110. 

 Trapa, 37. 

 Tree of Heaven, 20. 

 Trichostema, 70. 

 Tricuspis, 129. 

 Trientalis, 65. 

 TrifoUum, 23. 

 Triglochin, 101. 

 Trigonella, 26. ' 

 Trillium, 106. 

 Ti-iosteum, 43. 

 Triplasis, 129. 

 Triticum, 133. 

 Tropidocarpum, 10. 

 Trumpet-weed, 46. 

 Tsuga, 96. 

 Tupelo, 43. 

 Tussilago, 46. 

 Twayblade, 104. 

 Twig-rush, 114. 

 Twin-flower, 43. 

 Typha, 98. 

 Typhaceae, 98. 



Ulmus, 91. 

 Ulota, 142. 

 Ulothrix, 157. 

 Ulva, 157. 

 TJmbelliferae, 40. 

 Umbilicari£^, 168. 

 Umbrella-grass, 113. 

 Uroeolarla, 171. 

 TJrtiea, 91. 

 Ul:tlcacese, 91. 

 Usnea, 166. 

 Utricularia, 66. 

 Uvularia, 107. 



Vaccaria, 14. 

 Vaccinium, 61. 

 Vallisneria, 102. 

 Vanilla Grass, 125. 

 Vaucheria, 154. 



Velvet Grass, 128. 

 Velvet-leaf, 18. 

 Venus' Looking-glass, 60. 

 Veratrum, 107. 

 Verbascum, 67. 

 Verbena, 70. 

 Verbenaceae, 70. 

 Vernal Grass, 125. 

 Vernonia, 45. 

 Veronica, 68. 

 Verrucaria, 173. 

 Vervain, 70. 

 Vetch, 28. 

 Vetchljng, 28. 

 Viburnum, 44. 

 Vicia, 28. 

 Vilfa, 126. 

 Vincetoxicum, 82. 

 Vine, 21. 

 Viola, 10, 175. 

 Violacese, 10. 

 Violet, 10, 175. 

 Virginia Creeper, 21. 

 Virginian Cowslip, 75. 

 Virgin's Bower, 1. 

 Vitacese, 21. 

 Vitis, 21. 

 Volvox, 158. 



Wake Robin, 106. 

 Wall Barley, 134. 

 Walnut, 92. 

 Water Chestnut, 37. 

 Water Chinquepin, 4. 

 Water Cress, 5. 

 Water-fern, 139. 

 Water Hemlock, 41. 

 Waterleaf, 76. 

 Water Lily, 4. 

 Water Marigold, 53. 

 Water Milfoil, 36. 

 Water Oats, 124. 

 Water Parsnip, 41. 

 Water Pepper, 87. 



