252 



INDEX. 



Aristolochia, 61. 

 Aristolochiace^, 60. 

 Arrow-arum, Green, 22. 

 Arrowhead, Broad-leaved, 17. 

 Arrow-wood, 224. 

 Arrow-wood, Maple-leaved, 224. 

 Arrow-wood, Kough, 224. 

 Arum Family, 21. 

 Asarum, 60. 

 Asarum, Virginia, 60. 



ASCLEPIADACE.E, 186. 



Asclepias, 187. 

 Asclepias, Pine-barren, 187. 

 Ascyrum, 150. 

 Ash, Red, 178. 

 Ash, Water, 179. 

 Asli, White, 178. 

 Asimina, 75. 

 Asparagus, 34. 

 Aster, 239. 

 Aster, Blue, 239. 

 Aster, Bushy, 240. 

 Aster, Purple, 240. 

 Aster, Silvery, 240. 

 Aster, Wavy-leaved, 239. 

 Atamasco Lily, 88. 

 Azalea, 168. 



Baldwin's Pink, 70. 

 Baneberry, 77. 

 Baptisia, 115. 

 Barberry Family, 83. 

 Basswood, 145. 

 Bay-berry Family. 46. 

 Bean, Traihng, 120. 

 Bean, Wild, 128. 

 Beard-tongue, Gray, 211. 

 Beard-tongue, Hairy, 210. 

 Bedstraw, 223. 

 Bedstraw, Hairy, 222. 

 Beech, 51. 



Beech Family, 51. 



Beggar Ticks, 244. 



Beggar-weed, Hoary, 124, 



Beggar-weed, Naked-flowered, 124. 



Beggar- weed, Pointed-leaved, 124. 



Bell-flower Family, 228. 



Bell-flower, Tall, 229. 



Bell wort, Large-flowered, 28. 



Bellwort, Perfoliate, 28. 



Bellwort, Sessile-leaved, 28. 



Benzoin, 86. 



Berberidace^, 83. 



Berchemia, 142. 



Bergamot, Wild, 204. 



Betula, 50. 



Betulace.e, 48. 



Bidens, 244. 



Bignonia, 215. 



Bignonia Family, 215. 



BlGNOXIACE.^, 215. 



Bindweed, 191. 

 Bindweed, Blue, 191. 

 Birch, Black, 50. 

 Birch, Cherry, 50. 

 Birch Family, 48. 

 Birthwort Family, 60. 

 Bitterbloom, 182. 

 Bittercress, Hairy, 90. 

 Bitterweed, 245. 

 Blackberry, 102. 

 Blackberry, Sand, 102. 

 Black Gum, 166. 

 Black Haw, 224. 

 Bladderwort Family, 213. 

 Bladderwort, Horned, 214. . 

 Bladderwort, Small. 214. 

 Bladderwort, Swollen, 214. 

 Blazing Star, 237. 

 Blazing Star, Showy, 238. 

 Blood Root, 87. 

 Bloodwort Family, 37. 



