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, qnincuneial, 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 (Tahle), 165. 



American and Asiatic plants contrasted 

 (Tahle), 165. 



American climate described, 208. 



American (Pacific North) plants com- 

 mon to eastern Asia (Tahle), 174. 



American (North) plants common to 

 Europe, 171. 



American vegetation, aspects of, 143. 



Amianthium muscaitoxicum, 49. 



Amphicarpma, 50. 



Apios tuber osa, 201. 



Arboretum Britannicum, account of 

 the, 77. 



Archaeology and forest-geography, 204. 



Arcueil, Soci^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, In. 

 Banyan-tree, mod.- of growth of, 81, 

 Baobab-tree, 1 18. 

 Bartram, William, his journey to the 



Alleghany Mountains, --. 

 Bee, Wyman'a Notes on tin- ('''lis of 



the, 394. 

 Bentham, George, herbarium of, 1l'; 



sketch of, 451. 

 Berlin, royal herbarium at, 1*.*. 

 Bigelow, Jacob, sketch of. 413. 

 Birthplace of existing floras, 

 Boissier, Edmond, sketch of. 17'.'. 

 Boott, Francis, sketch of. 315. 

 Botanic Garden, the Elgin (not.). 247. 

 Botanical excursion to the mountains 



of North Carolina. 22. 

 Boykinia aconitifolia, 42. 

 Brasenia peltata, 141, 173. 

 Braun, Alexander, Bketch of, 403. 

 British Museum, herbarium of, 9. 

 Brown and Humboldt, Bketch of. - 



California forests, composition of. 151. 



California, weeds <>f. 241. 



Cardamim rotundifolia, ■>'-. 



Carer aestivalis, ~> { '• 



Carex Frankii, 36. 



Carex Tflraseriana, 54. 



Carex gracillima, 51. 



Carex Stenolepsis, ">*''. 



Carex Sullivantii, 51. 



Castagno <li <->ut>> cavaUi t ( .'- 



Caxdophyllum, 154. 



Cedar of Lebanon, 1<»". 



Characteristics of the North American 



Flora. 260. 



Chilnu Lyonif •">•'>. 



Chestnut-tree of Tortworth Court. '.'1 



