Cooper, Bransby, 113. Cooper, Elwood, Cal., 768. Cope, 624. Copyrights, 816. Corda, A. C. J., 130, 221. Corema, 775, 776. Cosson, E., 611, 709, 713, 715. Coulter’s collection, 328. Coulter, T., 784, 785. Cowles, 689. Crewe, J. B., 18, 19, 32, 43. Creighton, 789. Cross Fertilization. See Fertilization. Curtis, M. A., 652. Cusick, W., 726. “Cyperaceæ, North American Gramineæ and,” 19, 45, 46. “Cyperaceæ of North America,” 60. Cypress knees, 416, 421. Cypresses of Chapultepec, 763. Dale, T., 141. Dalton, 808. Dana, J. D., letters to, 424, 430, 521, 626, 785; references to, 337, 338, 430, 459. Dana, R. H., Sr., 296. Darbya, 686, 687. Darlington, William, 370, 423, 499, 500. Darlingtonia, 648, 649. Darwin, Charles, letters to, 456, 472, 484, 496, 501, 522, 536, 548, 553, 561, 599, 615, 623, 631, 645, 664, 668, 676; references to, 117, 380, 447, 454, 455, 459, 463, 498, 509, 528, 550, 559, 565, 566, 594, 626, 642, 695, 714, 722, 732, 734, 751, 815. ---- Letter to Asa Gray, 557. “Darwin, Charles, Life of,” by A. Gray, 646. Darwin, Mrs., 800. Darwin, George, 507, 759. “Darwiniana,” 655, 656, 662. Darwinism. See Evolution. Daubeny, C., 332, 379. Dawson, Sir William, 734, 740. Death, 815. De Bary, 807. Decaisne, J., 23, 157, 161, 162, 168, 174, 381, 382, 611, 683, 687, 709, 712, 721, 733, 734. De Candolle, Auguste Pyramus, 26, 47, 267, 281, 332, 374, 498; bust of, 727. De Candolle, Alphonse, letters to, 232, 276, 377, 380, 396, 409, 413, 419, 426, 451, 481, 497, 519, 526, 552, 566, 587, 592, 606, 624, 635, 639, 642, 669, 680, 684, 692, 694, 699, 702, 712, 714, 717, 727, 733, 783, 793; references to, 26, 267, 375, 448, 702, 712, 718, 719, 720, 724, 746, 781, 785, 796. De Candolle, Casimir, 451, 566, 719. Degree, medical, 14. Degrees at, Cambridge, England, 800; Edinburgh, 806; Oxford, 801. Delessert, Benjamin, 24, 166, 169, 171. Delessert, François, 382. Delessert Herbarium, 720. Delile, A. R., 24, 186, 187. De Morgan, 759. Derby, Lord, 805. “Descent of Man,” Darwin, 615. Desfontaines Herbarium, 23. Desfontaines plants, 176. Design in Nature, 485, 489, 498, 502, 508, 512, 638, 648, 656, 658, 659. Detroit, 73. Development Theory. See Evolution. De Vriese, W. H., 376. Dewey, Chester, 57. Dextrorsum, 699. Diamorpha pusilla, 652, 653. Diell, 54, 58. Dionœa, 556, 557, 561, 633, 642, 649. Distribution of Plants. See Geographical Botany. Dogs, 435, 436, 599, 676-678. Don, David, 110, 137. Douglas, David, 90, 92, 123, 279. Douglass, Professor, 78. Downing, Major Jack, 45. Drake, Miss, 131. Drosera rotundifolia, 510, 556, 557, 633, 641. Drummond’s Louisiana plants, 173, 279. Duby, J. E., 263. Ducie, Lord, 713, 810. Duff-Gordon, Lady, 582. Dufferin, Lord, 737. Dunal, M. F., 24, 187. Durham University, 109. Dyer, W. Thisleton, 734, 762.