Species and Varieties, Their Origin by Mutation

by Hugo de Vries

N

Nageli, 60, 439, 443, 448, 795
Nagelian principle, 448, 450, 451
Natural selection, 18, 119, 120, 445, 456, 682,
694, 703, 743, 744, 798-826
basis, 604
nature of, 6, 19
Naudin, 118
Nectarines, 137, 138, 226, 627
Nemec, 578
Neo-Lamarckians
principle of, 8
Neo-Lamarckism 447
Nepenthes, 671, 672, 673, 674
Newton, 1, 732, 767
Nicandra, 152
Nigella, 134
Nightshade, 298
black, 282
Nourishment
meaning of, 732
variability and 771
Nuphar, 268
Nutrition and growth, 720, 722
Nymphaea, 698

O

Oats, 98, 100, 101, 105, 112, 113, 115, 119, 133,
452
"Early Angus," 115
"Early Fellow," 115
"Fine Fellow," 115
"Hopetown," 112
"Longfellow," 115
"Make-him-rich," 112
wild, 207, 803
Oak, 136, 239
Oenothera, 260, 262, 279, 700, 706, 708, 709
European species, source of, 575
mutation in, 521, 525, 585, 690, 708
new species of, 516-546
albida, 537, 553, 555, 563, 565, 573
biennia, 82, 205, 256, 257, 258; 259, 262,
263, 264, 521, 524, 527, 574, 575, 586,
587, 683, 690, 708
biennis cruciata, 22, 587
brevistylis, 263, 280, 526, 529, 530, 547,
563, 564, 565, 573, 574, 702, 706
cruciata, 575, 585, 586, 589, 590, 683
elliptica, 540, 545, 555, 562
gigas, 533, 534, 535, 536; 537, 553, 554,
563, 565, 566, 567, 573, 574, 702
glauca, 424
hirtella, 262
laevifolia, 526, 528, 529, 547, 563, 564,
573, 574, 701, 706
lamarckiana, 17, 262, 262, 522, 523, 527,
528, 529,, 533, 574, 575, 586, 690, 699
pollination of, 524
lata, 540, 541, 542, 549, 550, 551, 552,
555, 559, 563, 566, 573, 574, 702
leptocarpa, 540
muricata, 256, 257, 258, 259, 262, 263,
264, 513, 575, 690
pollination of, 524
nanella, 526, 531, 549, 50, 551, 552, 555,
563, 564, 565, 566, 703
oblonga, 537, 538, 552, 555, 563, 565, 566,
572
rubrinervis, 533, 534, 536, 537, 550, 551,
552, 555, 563, 565, 568, 573, 574
scintillans, 540, 543, 553, 555, 563, 566,
573, 574
mutability of, 544
semilata, 540
suaveolens, 521
Oleander, 684
Onagra, 262, 708, 709
Onions, wild, 684
Ononis repens, 577
Orange, 90, 133, 134
Orchids, 631
Origin of species (Darwin), 109
Orobanche, 220
Othonna crassifolia, 442
Otin, 618
Oviedo, 89

P

Paeonia corallina leiocarpa, 126
Paillat, 618
Pangenes, 306
Pangenesis, 306, 689
Panicum, 105
Pansies, 640
Pansy, 118, 121
Papaver alpinum, 139
bracteatum, 661
bracteatum monopetalum, 661
commutatum, 357
dubium glabrum, 126
hybridism, 662
somniferum Danebrog, 162
somniferum monstruosum, 371
somniferum polycephalum, Parris, 754
Parsley
crisped, 158, 181
Parsnip, water, 457
Pea-family, 344
Peach, 138, 226, 240
Peach-almond, 769
Pears, 79, 90, 134, 147, 152, 203, 283
Pearson, Karl, 716
Peas, sugar, 135, 158
Pedicularis, 410
palustris, 410
Pedigree-culture, 109
experimental, 547
Pelargonium, 272, 355
Peloria, definition of, 164
Peloric toad-flax
first record of, 466
origin of, 459, 464, 472
sterility of, 467
Pelorism
Antirrhinum majus (see snapdragon)
Digitalis purpurea, 482
Gloxinia, 484, 485
labiates, 486
Laburnum, 485
Lamium, 486.
Linaria, see Toad-flax
Linaria dalmatica, 482
Linaria vulgaris, 464
orchids, 479, 486, 487
Salvia, 486
Scrophularia nodosa, 486
snapdragon, 481
toad-flax, 459-487
Tropaeolum majus, 485
Uropedium Lindenii, 487
wild sage, 486
Peltaria alliacea, 663
Pennywort, marsh, 668
Penzig, 638
Periodicity, law of, 365, 368, 721, 722
Periods, mutative, 706, 708
Periwinkles, 322
Persicaria, water, 433, 434, 435, 643
Petalomany, 330
Petunia, 491, 626
Phacelia, 420, 422, 820
Phaseolus lunatus, 592
multiflorus, 202
nanus, 202
Phleum alpinum, 696
Phlox, 232
drummondi, 161
Phyllonoma ruscifolia, 676
Physiologic units, 144, 153, 249
Picris hieraoioides, 411
Pimpernel, scarlet, 162
Pinacothec, Munich, 164
Pine, 368, 804
Pine-apples, 90, 134
Pinks, 178
Pinus sylvestris, 368
Pistillody in poppies, 369, 370, 372
Pitcher-plants, 671
Plankton, 711
Plantago, 53
lanceolata, 520, 671, 684
Plantain, 684
Plater, 610
Plum, 79, 134, 789
beach, 58
Japanese, 58
purple-leaved, 619
Plusia, 204
Poa alpina vivipara, 684
Podocarpus koraiana, 169
Polemonium coeruleum, 282
coeruleum album, 200
dissectum, 161, 202
Polygala, 242
Polygonum amphibium, 432
var. natans Moench, 433, 434
var. terrestris Wench, 433, 434
Convolvulus, 419, 424
viviparum, 684
Polymorphy, 188
Pomegranate, 90
Pond-lily, yellow, 268
Poplar, fastigiate, 623, 624
Italian, 623
Populus italica, 622
nigra, 624
Poppy, 146, 151, 152, 163, 165, 241, 356, 640,
723
"Danebrog," 283, 291
garden, 661
"Mephisto," 283, 291
opium, 89, 189, 195, 198, 282, 291, 369,
371, 373, 379, 383, 391, 405, 406, 420, 452,
720, 789
pistillody in, 369
pistilloid, 508
polycephalous, 405
Potatoes, 765, 810
Potentilla Tormentilla, 52
Pre-Linnean attitude, 2
Primrose, 268, 372, 410
evening (see evening-primrose).
Primula acaulis, 52, 632
elatior, 52, 633, 635
grandiflora, 268
imperialis, 697
japonica, 410
officinalis, 52, 268, 633, 635
variabilis, 268
veris, 52, 633, 634
Prodromus (De Candolle) 370
Progression, 430, 705, 774, 775, 777, 779, 805
in evolution, 630
Propagation
asexual, 745, 751, 766, 767, 770, 774, 777
sexual, 745, 777
vegetative (see asexual)
Proskowetz, Em. von, 70
Prototype
definition of, 170
Prunus, 52
cerasifera, 619
Mahaleb, 617
nana, 612
maritima, 59
Padus, 617
Pissardi, 619
variation in, 56
Pyrethrum roseum, 511
Pyrola, 222, 661

Q

Quartile, 736, 737, 767
Quercus pedunculata fastigata, 596
Quetelet's law, 463, 716, 717, 725, 730, 734,
738, 748, 753, 759, 767, 775, 779, 780, 806

R

Races, inconstancy of improved, 770-797
Raciborsky, 682
Radishes, 325, 806
Ragwort, tansy, 157
Raisins, 134
Rameses, 697
Ranunculus, 331
acris, 331
arvensis, 282
arvensis inermis, 125
asiaticus, ,241
bulbosus, 357, 410, 740
Ra-n-Woser, King, 104
Raphanus Raphanistrum, 202, 424,520
caudatus, 202
Rasor, John, 588, 589
Raspberry, 268, 768
"Phenomenal," 268
"Primus," 269
Siberian, 269
Ratzeburg, 467
Raunkiaer
on variation in Taraxacum, 60
Recessive character, 280
Sports, 191, 715, 689
bud, 427