“Monograph of North American Rhynchosporæ,” 19, 31, 60. Montagne, J. F. C., 24, 164, 418. Montpellier, 185-189, 569. Moquin-Tandon, 400. Morell, 479. Morris, D., 762. Moseley, 772. Mother of Asa Gray, 3, 5. “Movement in Plants, Power of,” Darwin, 714. Mozley, 665. Muhlenberg, H. L., 685. Mulder, G. J., 328, 331. Müller, J., 593, 625, 644, 720. Müller, Max, 488, 489, 491. Munich, 231-240. Munich Botanic Garden, 233, 240. Munro, 100. Munro, W., 446. Murfree, Miss M. N., 812. Murillo, 705. Murray, Miss, 416. Museum, Botanical, at Cambridge, 440-442. Muséum, Paris, herbarium of, 172. Museum of Natural History, at Cambridge, 351. Name of Asa, 5. National Academy, 551. Natural selection, 459, 461, 489, 497. See also Evolution. Naudin, C., 382, 399, 434, 472. Naville, E., 588, 719. Nees von Esenbeck, 44, 130, 223, 716, 726. “New or Rare Plants of State of New York,” 19. Nicoll, W., 99, 101, 102, 105. Noel, Baptist, 122, 133, 144. Nomenclature, 305, 408, 427, 434, 448, 515, 521, 552, 607, 685, 699, 700, 744, 746, 813. North, Christopher (Professor Wilson), 100, 104. North, Miss, 810. “North American Gramineæ and Cyperaceæ,” 19, 45, 46. “North American Plants, Synopsis of,” 559. North Carolina, journeys to, 26, 28, 280, 306, 663, 686, 757. Nuttall, 92, 282, 326. Nuttall’s herbarium, 697; plants, 278. Nuttalia, 90. Nymphæa flava, 790. Oaks, W., 334-336, 672. Oaks, 672. Oliver, D., 512, 592, 617, 702, 810. Olmsted, F. L., 371, 421. “Orchids, Fertilization of,” Darwin, 480, 484, 486, 489, 509. Orchis, pyramidalis, 481; spectabilis, 53, 481. Oregon, collection of Wilkes’ Expedition, 622, 639. Origin of Species, 455, 456, 457, 458, 472, 480, 485, 486, 498. See Evolution. Orthodox Botany, 733. Owen, 117, 459, 505, 510, 521. Oxford University, 404. Oxford, degree at, 801. Packard, 623. Padua, 204. Paget, 802. Palgrave, Sir Francis, 117, 118, 122. Palmer’s Chihuahua collection, 782. Palmer, E., 686. Palmerston, 536, 540. Pangenesis, 561. Pardie, J., 100. Paris, visit to (1839), 153-180. Parish, S. B., 726, 767. Parish collection, 726. Park, Prof., 655, 656. Parker, Judge, 494. Parliament (1839), 139, 142. Parry, C. C., 468, 628, 636. Parry and Palmer’s “Mexican Compositæ,” 686. Parsons, T., 507. Pascal, 743. Passion flower, 611. Passiflora acerifolia, tendrils of, 611. Pasteur, 511, 550. Peabody, A. P., 656, 805. Peabody Museum, Harvard, 543. Peck, Prof., 326, 327. Pedro, Dom, 659. Peirce, Benjamin, 296, 328, 330. Pentstemon, 391. Penzig, O., 718. Persoon, C. H., 336. Petalanthera, 146. Peters, T. M., 394. Philadelphus, 428. Philip, 209. Photography, discovery of Daguerreotypes, 127; Talbotypes, 379. Phyllotaxis, 505, 507. Pickering, Charles, 337, 347. Pickering, E. C., 744. Pictet, 460, 519. Pictures in Spain, 705. Pinus monophylla, 674, 675; ponderosa, 674. Planchon, J. E., 569. Plantamour, 719.