543.Edinburgh, visit to (1839), 97-105.Education, 5-8.Education, Botany, in liberal, 325.Egypt,572-586;plants in,575,576;medical practice in,582.Ehrenberg, C. G., 26, 269.Eichler, A. W.,795.“Elements of Botany,” 20, 27, 32, 54.“Elements of Botany,” 1887,792.Eliot, S., 28.Eliot, C. W.,526;letters to,620,634.Ellimia, 171.Elwes, H. J.,810.Embryo of Pinus, 151.Emerson, G. B., 288, 292.Emory, 356.Endlicher, S. L., 25, 210, 215,795.Engelmann, G., letters to, 281, 291, 297, 305, 312, 340, 351, 355, 360,373,383,391,399,404,417,446,452,465,471,493,514,530,545,551,558,589,670,680,686,696,715,725;references to, 272,663,686,729,746,753,782.—— Obituary notice,753.—— Herbarium,753.Engelmann, G., Jr.,772.“Epistolæ Linneano-Jussieuanæ,”410.Erie Canal opening, 9.Eriogoneæ,600,601.Eschscholtz, 152.“Essays and Reviews,”464.Europe, journeys to: First, 21, 85, 271;second,369-388;third,414-420;fourth,565-599;fifth,701-724;sixth,792-810.European politics,604,606,608.Evolution,424,428,430,450,455,489,497,504,508,510,528,626,637,666,695.Evolution, Agassiz’s views of, in 1847, 345.Exhibition, London, 1851,379,384.Exploring Expedition, U. S., 21, 61, 64, 66, 359, 366,376,398,409,484,623.—— North Pacific,435.Fairchild,666,667.Fairfield Academy, 8.Fairfield Medical College, 12, 29.Faraday, 114.Farlow, W. G.,617,625,640,762,765,766,770.Farnsworth, Chancellor, 78.Farrar, Canon,780.Father of Asa Gray, 2, 4, 5, 334.Felton, C. C.,479.Fendler, A., 341, 343, 351, 355, 360, 361,426,447,515,531,540,650.Fendlera,391.Fenzl, E., 25, 218, 222,795.Ferns,402.Fertilization,425,484,485,493,505,508,509,539,664,695.Fink,766.First Book, 20, 32, 54.First contribution to American Journal of Science, 19, 32.“First Lessons in Botany,”414,418,429,444.First Plant determined, 14.Fischer, 74.Fisher, G. P.,696.Fisher Professorship, 27.Flax spinning introduced, 5.Flora, Beck’s, 39.Flora of California,636,641,643,694.Flora or Fauna, objects of,657.Flower, Sir W. H.,595,722,754.Folwell, N. W., 35.Forbes, H. O.,780.Forbes, James, 99, 103,413.Forestry, 276.Forster, E., 134, 139, 143.Fouquiera,400,401,419.Fox, Miss,755.Franco-German War,606,608,609,612.Fraser, J., 134, 135.Fraser, Bishop,560,602.Freeman,725.Fremantle,806.Frémont Expedition, 294, 297, 327.Fresenius, J. B. G. W.,373.Froude,742.Fry, Sir E., Letters to,729,738,746,754,779,789,810.Galileo,743.Garber’s Porto Rico Collection,702.Garwood, Rev. Mr., 123.Gaudichaud, 24, 158, 162,383.Gaura Lindheimeri, 313.Gay, Jacques, 24, 159, 171,381,383,418.“Genera Illustrata,” 340, 344, 347, 353, 355, 357, 361, 363.Geographical Botany, 46, 276,420,424,427,434,445,447,449,775.“Géographie Botanique,” De Candolle, A.,410,419.Geum triflorum, 46.Geyer, C., 298.Gilbert, J. H.,806.Gilman, D. C.,695.Gladstone,444,536,563,604,736,737,743,790,804.Gladstone, Miss,804.Glasgow, visit to (1839), 89-95.Godet, C. H.,375,592.Goldie, J.,785.Goodale, G. L.,635,640,728,787.Gould, A. A.,441.Graham, Col.,390.Graham, R., 22, 98, 100, 101, 105.“Gramineæ and Cyperaceæ, North American,” 19, 45, 46.Granville, Lord,804.Grasses, Hooker’s. 92.Gray, Asa, Estimate of, by R. W. Church,750.Gray, J. E., 112, 114,596.Gray, J. L., 358.Gray, Miss A. A., letter to,710.Gray, Mrs. Asa, letters to, 349,659.Gray, Moses, 2, 4, 5, 334;letters to, 47, 49, 53, 61, 67, 83, 270, 313.Gray, Mrs. (mother of Asa), letters to, 48, 84.Gray, Family Reunion,786.Gray Herbarium, 287,515,519,523,525,527,529,535,816.Grayia, 93,629.Gray’s Peak,627,632.Greene, B. D., 17, 27, 283, 288.Greene, Copley, 17.Gregg, Josiah, 356.Greville, R., 22, 98, 101, 105, 106, 132.Grisebach, H. R. A., 224,383,516,532,540,541,550.Grisebach’s manuscripts,495.Gronovian plants, 150.Guillemin, 24.Guiteau, Trial of,730.Guthrie, Rev. Dr., 102.Guyot, A.,459,463.Hadley, J., Prof., 10, 12, 15, 18, 41, 42.Hadley, Prof. J., Junior, 13.Haenke’s plants,795.Hakim-Pacha,583.Hamilton College, 10, 18, 42, 45.Hanbury,570,571.Harcourt, Colonel,803.Harkness, Dr.,769.Harris, T. W.,398,420.Hartweg, T., 150.Harvard Botanic Garden, 285, 290, 291, 299;House, 314, 327.Harvard College, appointment, 27.Harvard College, called to, 283-286.Harvard College, quarter-millennial,789.Harvey, W. H., 363,376,547.Hauer,795.Haughton, Prof.,736.Hayden, Dr.,669,710.Heer, O.,508,521,528.Helianthus tuberosus,398.Henry, Joseph, 15, 30, 31, 78, 349,403,559,623,639,681,684.Heuchera hispida and pubescens, 307.Herbariums—Bank’s, 132, 148.Boissier, Geneva,374,720.British Museum, 110, 132, 146, 151,387.Cosson,715.De Candolle, 18, 267,374,718,724.Delessert,720.Desfontaines and Poiret, 23, 176.Engelmann,753.Fraser, 135, 136.Gronovian, 150.Humboldt, 173.Jardin des Plantes, Musée du, 172,382,709,715,799.Joad,752.Jussieu, 23, 173, 175,709.Kew,377,378,565,701,791.Kunth, 269.Labilliardière, 173.Lagasca,720.Lamarck, 173,716,792.Lambert, 111, 128.Lehmann, 269.Lindley,715.Linnæan, 22, 149, 150.Madrid,701,720.Mercier, 173.Michaux, 23, 162, 164, 172, 178,681.Mill,659.Nuttall, 193,697.Oxford,379.Poiret, 173.Pursh, 22, 111, 128, 136, 148, 152, 174.Pylaie, de la, 173.Requien, 185.Richard, 172, 173, 178.Royal Herbarium, Berlin, at Schönberg, 269.Sims, 151.Schultz,715.Short,499.Torrey,641.Ventenat, 178.Vienna, 210, 214, 223,795.Walter, 130, 134, 136, 174.Webb, 157, 173.Willdenow, 268,392,709,716.Heterogeny,505.Heterogone,664.“Historicus,”506,513.Hodge, Prof. Charles,646.Hollister, Col.,768.Holmes, O. W.,694,725.Holton, I. F.,415,421.Home Rule,790.Hooker, W. J., letters to, 50, 57, 268, 273, 277, 282, 289, 298, 304, 306, 324,334, 350, 357, 364, 367,392,401,408,411,415,421,433,440,449,498,531;references to, 21, 22, 33, 89-92, 103, 110, 130,370,378,381,418,437,442,499,541,542.—— work with (1838), 90, 92, 93.Hooker, J. D., letters to, 317, 336,455,702,707,718,728,734,742,744,751,758,781,785,790,794,811;references to, 22, 92, 110, 115, 119, 123, 125, 130, 270, 307,380,413,417,442,449,468,478,489,512,520,532,541,565,566,592,666,669,670,671,675,678,679,702,712,714,717,722,723,752,792,806,810.Hope, Prof., 99.Horner,613.Horsfield, T., 119.Houghton, 73, 76.“How Plants Behave,”624.“How Plants Grow,”438,444.Howard, Joseph, 3.Howland, J., letters to,590,593.Hudsonia montana, 310.Huet,426.Hügel, Baron, 219.Hughes, T.,608.Humboldt’s herbarium, 173.Hunneman, J., 149.Hunter, John, 117.Huxley, T. H.,458,504,505.Hyams, M. E.,681,682,683,692.Hyatt, A.,624.Hybrids,459.Hybridism,458.Hymenophyllum ciliatum,392.Iliad, Bryant’s,613.Imaun, Joseph,584.Impatiens,508.Incas,502.Inheritance,561.Insectivorous plants,510,556,557,561,633,641,645,647,649.Irving, Washington,808.J. S. M., Letter to,778.Jacquin, Baron, 216, 217,795.James, Mrs. T. P., Letter to,500.James, T. P.,423.Jameson, R., 100.Japan Flora,445,447,450,452.Japanese plants, 315.Jardin des Plantes, 23, 24, 157, 161, 178,381,709,715,792.Jellett,802.Jenyns, Soame, 321.Joad Herbarium,752.Johnston, J. T. W., 108.Journal of Mrs. Gray, 309,380,689.Journal in Europe (1838-39), 85, 266.Jussieu, Adrien de, 23, 157, 158, 177, 366,381,382,400,402,411,500.Jussieu’s herbarium,709.Kennedy, G.,517.Kew, 22, 116,370,383,418,542,592,701,702,710,715,720,722,724,792,810.Kingsley, Charles,667.Klotzsch, J. H., 26, 268, 269.Knieskern, P. D., 90, 135, 289, 293.Kohinoor,386.Körner,795.Kunth, K. S., 26, 173, 269.Laboratory,614.Lagasca, F., 146;his plants,720.Lamarck’s Asters and Herbarium, 269,709,716,792.Lambert, A. B., 22, 111, 120, 128, 132, 137.Langley,812.Lapham, I. A., 347,401.Lasègue, 24.Lavallée, A.,713.La Veta Pass,672,673.Lawrence, Abbott,379.Le Conte, J. E., 18.Lecture Room,604,614,619.Lectures, first course, 13, 16.Lectures, first in Cambridge, 300-303, 325;Lowell Institute, 294, 314-316, 318, 324, 328, 330, 331, 339;Smithsonian,403;Yale College, see Yale.Lehmann, J. G. C., 20, 44, 56, 269.Leitner,790.Lemmon, J. G.,675,727.Lenses, Jewel, 135.Lesquereux, L., 360,640.Library, Botanical, at Cambridge,694.Liddell, Dean,802.Liddon, Canon,802.Lindheimer, F., 291, 298, 340, 343,391.Lindley, John, 22, 115, 127, 130, 131, 152,379.Lindley’s asters,715.Link, H. F., 26, 269.Linnæus,497,498,700.Linnæus, Birthday Celebration, 236;portrait of,545.Linnæan Society, 22, 134.Loddiges, 126, 127, 143.London, Visit to (1839), 110-153.Lookout Mountain,650.Loring, C. G.,393,560.Lowell, J. A., 293, 342, 354, 362, 368,530,534.Lowell, John,439.Lowell, J. R.,714,804.Lowell Institute Lectures, 294, 314, 316, 318, 324, 328, 330, 339.Lowell Lectures, Religion in,725.Lubbock,731.Lyceum of Natural History, New York, 20, 31, 37, 56, 63.Lyell, 118, 129, 346,384,503,732.Malan, 265.Mann, H.,545,566,570.“Manual of Botany,” 33, 334, 346, 353, 355,414,433,547.Marcet, Prof.,588.Marcon, J.,643.Marriage, 358.Martins, C. F.,569.Martius, 25, 232, 240,375,514,589.Mary Queen of Scots, 96, 105.Maskeleyne,379.Maspero,802.Masters, M. T.,592,702.Mather, Dr., 13.Maurice,755,756.Maximowicz,680.McDowell, General,769.McGuffey, C. J., 72.Medical College, Fairfield, 12, 29.“Melanthacearum Americæ Septentrionalis Revisio,” 20.Melastomaceæ,478.Mellichamp, Dr. J. H.,647,649.Menzies, A., 23, 121, 126, 141.Mexico, journey to,761-773.Michaux, F. A.,382,500,540,692,813.Michaux’s Herbarium, 23, 162, 164, 172, 178.Michigan, University of, 21, 76, 83, 270, 274, 282, 283;A. G., Professor at, 21.Microscopy, 135, 137, 138, 147, 175.Miers, J., 131.Mill, J. S.,659.Miller, plants of, 146.Mineralogy, 13, 17, 19.“Mineralogy of Jefferson and St. Lawrence Counties, N. Y.,” 19.Miquel, F. A. W.,376.Mirbel, G. F. B., 23, 165, 175, 179.Mivart,459.Mocino, J. M.,782.Moggridge, J. T.,571.Mohl, Hugo von, 267.“Monograph of North American Rhynchosporæ,” 19, 31, 60.Montagne, J. F. C., 24, 164,