137 



"\V(t;i(]-waxoii, 61. 

 Wood Aiieinone. 10. 

 Wood Betony, 19. 

 Wood Rush. 16. 

 Wood Ri'cd (Jrass, 87. 

 Wood Sai,^o, 71. 

 Wood -sorrel, 34. 

 Woodbine, 44. 

 Woodsia, 52, 97. 

 Woodwardia, 51, 97. 

 Wool (Jrass, 74. 

 Wormseed, 78. 

 Worinseed Mustard, 46, 

 Wornnvood, 76. 

 Woundwort, 70. 

 Xanthiuin, 88, 110. 

 Xanthoceros, 29. 



Xanthoxylum, 18. 

 Xyridaeeio, 99. 

 Xyris, 72, 99. 

 Yam, 72. 

 Yarrow, 40. 

 Yellow Bedstraw, 63. 

 Yellow Birch, 17. 

 Yellow Bladderwort, 



56. 

 Yellow Clover, 45. 

 Yellow Cress, 35. 

 Yellow Daisy, 55. 

 Yellow Fringed Orchis, 



73. 

 Yellow Melilot, 45. 

 Yellow Oak, 27. 



Yellow Pine. 27. 

 Yellow Pond Lily, 29. 

 Yellow Rattle, 56. 

 Yellow Rocket, 20. 

 Yellow Thistle, 32. 

 Yellow Wood, 43. 

 Yellow Wood-sorrel, 



34. 

 Yello-w-barked Oak, 27. 

 Yellow-eyed Grass, 72. 

 Yucca, 67. 



Zannichellia, 49, 100. 

 Zanthoxylum, 18. 

 Zizania, 73. 

 Zizia, 33. 101, 108. 

 Zostera, 49, 100. 



