American, remarks on, _W. J. Hooker_, ix, 263. ----, notices of European herbaria, important to, _A. Gray_, xl, 1. ----, of Alabama, new species, _M. C. Leavenworth_, vii, 61. ----, ----, list of rare plants, _M. C. Leavenworth_, ix, 74. ----, ----, new species, _S. B. Buckley_, xlv, 170. ----, of the Cherokee country, new species, _Mrs. Gambold_, i, 245. ----, of Connecticut, Litchfield, _J. P. Brace_, iv, 292. ----, of Florida, _T. Nuttall_, v, 286. ----, ----, _H. B. Croom_, xxv, 74; xxvi, 313. ----, of Illinois and Missouri, contributions to, _L. C. Beck_, x, 257; xi, 167; xiv, 112. ----, ---- ----, catalogue, _G. Engelmann_, xlvi, 94. ----, of the Lakes, and headwaters of the Mississippi, _D. B. Douglass and J. Torrey_, iv, 56. ----, of Maine, list of some plants in, _J. W. Bailey_, xxxii, 22. ----, of N. York, Cylactis, Nemopanthus, Polanisia, three genera, _C. S. Rafinesque_, i, 377. ----, of New England, observations on some plants in, _E. Tuckerman_, xlv, 27. ----, of North Carolina, notes on an excursion, _A. Gray_, xlii, 1. ----, ----, new and rare plants, _M. A. Curtis_, xliv, 80. ----, of Ohio, three undescribed species in, _W. S. Sullivant_, xlii, 49. ----, ----, Belmont Co., _C. Atwater_, i, 226. ----, of the Ottawa river and tributaries, _A. Benedict_, xviii, 349. ----, of Pennsylvania, Easton, list of rare plants, _L. de Schweinitz_, viii, 267. ----, ----, Northampton Co., _J. Wolle_ and _A. L. Hübener_, xxxvii, 310. ----, of the southern states, remarks and new localities, _H. B. Croom_, xxviii, 165. of Brazil, number of species, xv, 390. of Chili, lists of, _C. Bertero_, xix, 63, 299; xx, 248; xxiii, 78, 250. of Ireland, geographical distribution, xxxi, 367. of the Pyrenees, xiv, 377. ----, see farther under _Plants_ and _Vegetation_. _Genera and species described or noticed._ Acacia cavenia, xix, 66. Aconitum reclinatum, xlii, 34. Actinomeris pauciflora, v, 301. Agrimonia suaveolens, xiv, 112. Agrostis altissima, xlv, 44. ---- concinna, xlv, 42. ---- laxiflora, xlv, 43. ---- perennans, xlv, 44. ---- Pickeringii, xlv, 442. ---- scabra, xlv, 45. Allium striatum, xi, 177. Alnus crispa, xlv, 33. ---- incana, xlv, 32. ---- rubra, xlv, 32. Amorpha caroliniana, xxv, 74. Amphianthus, genus of plants, _M. C. Leavenworth_, xlix, 127. ---- pusillus, xlix, 127. Amyris floridana, v, 294. Anantherax viridis, xi, 174. Andromeda montana, xlv, 172. ---- polifolia, iv, 62. ---- recurva, xlv, 172. ---- rosemary-leaved, iii, 283.^f Angelica Curtisii, xlv, 173. Antiaris toxicaria, or Upas tree, analysis of the juice of, xxxix, 206. Apocynum cannabinum, xi, 172. ---- hypericifolium, xi, 172.