Equisetum arvense, xlvi, 83. ---- boreale, xlvi, 90. ---- eburneum, xlvi, 84. ---- giganteum, xlvi, 91. ---- hyemale, xlvi, 89. ---- lævigatum, xlvi, 87. ---- limosum, xlvi, 86. ---- palustre, xlvi, 85. ---- pratense, xlvi, 85. ---- robustum, xlvi, 88. ---- scirpoides, xlvi, 91. ---- sylvaticum, xlvi, 84. ---- variegatum, xlvi, 90. Erythronium albidum, xi, 177. Eupatorium huaco, xxiv, 279. Fedia radiata, iv, 57. ---- umbilicata, xlii, 50. Flœrkea, on the genus, _C. S. Rafinesque_, i, 373. Geum agrimonoides, iv, 64. ---- geniculatum, xlii, 35. Gnaphalium, decurrens, i, 310, 330. Gratiola micrantha, v, 287. ---- missouriana, x, 258. Grevilleanum serratum, xi, 183.^f Gyropodium coccineum, ix, 56.^f Hedeoma hirta, x, 260. Hedyotis purpurea, xlii, 27. Helianthus Dowellianus, xliv, 82. Herniaria americana, v, 291. Heterotropa, characters of the genus, xlii, 18. ---- arifolia, xlii, 19. ---- asaroides, xlii, 19. ---- virginica, xlii, 19. Hibiscus pentaspermus, v, 298. Hoteia, characters of the genus, xlii, 39. Houstonia minima, x, 262. ---- ciliolata, x, 263. ---- cœrulea, x, 263. ---- longifolia, x, 263. ---- purpurea, x, 263. Hypericum Buckleii, xliv, 80. ---- graveolens, xlv, 174. ---- rosmarinifolium, xiv, 115. Hyssopus anisatus, iv, 65. Ilex laurifolia, v, 289. Iris Duerinckii, xlv, 176. ---- lacustris, iv, 57. Jatropha manihot, v, 303. Juncus cylindricus, xliv, 83. ---- Greenei, xlv, 37. Juniperus repens, iv, 69. Jussieua tenuifolia, v, 294. Justicia lætivirens, xlv, 176. Kalmia cuneata, xxvi, 314. Kobresia filiformis, xxix, 253.^f ---- globularis, xxix, 253.^f Lilium canadense, xi, 177. ---- Catesbæi, xi, 177. Lepidanche, new genus, _C. Engelmann_, xliii, 343. ---- appressa, xlv, 77. ---- compositarum, xliii, 344^f; xlv, 77. Liatris flexuosa, xxxvii, 388.^f ---- fruticosa, v, 299. ---- oppositifolia, v, 299. ---- scariosa, iv, 67. ---- squarrosa, iv, 66. Ligustrum vulgare, x, 258. Limonia acidissima, v, 295. Lindernia saxicola, xliv, 83. Lobelia aphylla, v, 297. Lodoicea sechellarum, notice of, _J. E. Teschemacher_, xxxvii, 396. Lychnopora, a new genus from South America, notice of, ix, 375. Lycoperdon tuber, or Indian bread, ii, 369. ---- giganteum, xxxviii, 391. Lycopodium annotinum, xlv, 46. ---- inundatum, xlv, 47. ---- selago, xlv, 48. Magnolia grandiflora, xxvi, 314. Malva Lecontii, xlv, 176. ---- Nutalloides, xxvi, 313. ---- triangulata, vii, 62. Maranta arundinacea, v, 302. Matelea lævis, v, 291. Melanthium virginium, xi, 178.