INDEX. 



Aconitum reclinatum, 57. 



Aconitum uncinatum, 27. 



Adansonia digitata, 118. 



^Estivation and its terminology, 181. 



^Estivation, definition of, 181 ; termi- 

 nology of, 183 ; history of. 184. 



.(Estivation, quincuncial, 187. 



Agassiz, Louis, sketch of, 483. 



Age of trees, the manner of determin- 

 ing, discussed, 84. 



Alchemilla alpina, 247. 



Alleghany Mountains, flora of, 276. 



America, plants of North, common to 

 eastern Asia (Table), 1G5. 



American and Asiatic plants contrasted 

 (Table), 165. 



American climate described, 208. 



American (Pacific North) plants com- 

 mon to eastern Asia (Table), 174. 



American (North) plants common to 

 Europe, 171. 



American vegetation, aspects of, 143. 



Amianthium musccetoxicum, 49. 



Amphicarpcea, 50. 



Apios tuberosa, 201. 



Arboretum Britannicum, account of 

 the, 77. 



Archeology and forest-geography, 204. 



Arcueil, Socie'te' d', 302. 



Arnott, Dr., herbarium of, 14. 



Asarum, 40. 



Asia, extra European plants of east- 

 ern, found in North America (Table), 

 165. 



Asia, extra European plants of east- 

 ern, found in Pacific North America 

 (Table), 170. 



Astilbe decandra,61. 



Azalea calendulacea, 47. 



Banks, Sir Joseph, herbarium of, 10. 

 Banyan-tree, mode of growth of, 81. 

 Baobab-tree, 118. 

 Bartram, William, his journey to the 



Alleghany Mountains, 22. 

 Bee, Wyman's Notes on the Cells of 



the, 394. 

 Bentham, George, herbarium of, 12 ; 



sketch of, 451. 

 Berlin, royal herbarium at, 19. 

 Bigelow, Jacob, sketch of, 413. 

 Birthplace of existing floras, 229. 

 Boissier, Edmond, sketch of, 479. 

 Boott, Francis, sketch of, 315. 

 Botanic Garden, the Elgin (note), 247. 

 Botanical excursion to the mountains 



of North Carolina, 22. 

 Boykinia aconitifolia, 42. 

 Brasenia peltata, 141, 173. 

 Braun, Alexander, sketch of, 403. 

 British Museum, herbarium of, 9. 

 Brown and Humboldt, sketch of, 283. 



California forests, composition"^, 151. 



California, weeds of, 241. 



Cardamine rotundifolia, 52. 



Carex aestivalis, 50. 



Carex Frankii, 36. 



Carex Fraseriana, 54. 



Carex gracillima, 51. 



Carex Stenolepsis, 36. 



Carex Sullivantii, 51. 



Castagno di cento cavalli, 92 



Caulophyllum, 154. 



Cedar of Lebanon, 100. 



Characteristics of the North American 



Flora, 260. 

 Chelone Lyoni, 56. 

 Chestnut-tree of Tortworth Court, 94. 



