844 



Index 



Sports, 191, 715, 689 



bud, 427 

 Sprenger, 610^ 611 

 Stability, 155 

 Stahl, 611 

 Stellaria Holostea apetala, 



585 

 Stocks, 146, 322, 328, 329, 332, 



334, 336, 338, 432 

 Stock 



" Brompton," 329 



chamois-colored, 198 



"Queen," 324 



white, 160 

 Stork's-bill, white hemlock, 



161 

 Strasburger, 196, 448 

 Strawberry, 158, 266, 343 



" Gaillon," 135 



"Giant of Zuidwijk," 614 



one-leaved, 164, 596, 666 



white, 158, 165 

 Striped flowers, 309, 374, 431, 

 606, 607 



races, types of, 328 

 Struggle for life, 674, 571, 

 682, 702, 799, 803, 824, 

 825 

 St. Johnswort, 725 

 St. Sebastian, 164 

 Sub-species (see also Ele- 

 mentary species), 224, 

 225 

 Sugar-beets (see Beets, su- 

 gar). 

 Sugar-cane, 731, 752 



"Black Manilla," 753 



"Cheribon," 753, 755, 756 



"Chunnic," 753 



"Hawaii," 755, 756 



seeds of, 754 



" White Manilla," 753 

 Sundew, 268 

 Sunflower, 410, 425, 820 

 Sweet-flag, 222 

 SAveet-pea, 160, 776 

 Sweet William, 163, 282, 322, 

 648 



twisted variety 

 Syncotyls, 417, 424 



Syringa vulgaris azurea pie- 



na, 763 

 Systematic species, 12, 64, 

 101, 128 

 nature of, 54, 63 

 Systematic units, 61, 91 



Tagetes africana, 510 



signata, 612 

 "Talavera de Bellevue," 97 

 Tanacetum vulgare, 131, 132, 



236 

 Tansy, 131, 132, 236 

 Taraxacum, 125, 126 



officinale, 59, 411 

 Tares, 105 

 Taj)us, 136 



haccata, 169 



haccata fastigiata, 170, 618 



minor, 169 

 Teasels, 402, 642, 645, 674, 

 675 



twisted, 405, 412, 446, 447, 

 643, 646, 647, 648, 819 

 Tetragonia expansa, 162 

 Theatre d'Agriculture, 72 

 Thibault, 618 

 Thomson, Sir William (see 



Kelvin, Lord). 

 Thorn-apples, 139, 142, 143, 

 145, 238, 283, 300, 453 



thornless, 234 

 Thorn-broom, 457 

 Thrincia hirta, 411 

 Thuret, 38, 47, 49 

 Thyme, white creeping, 201 

 Thymus Serphyllum album, 

 201 



vulgaris, 577 

 Tili<i parvifolia, 355, 669 

 Toad-flax, 267, 282, 707 



cross pollination of, 471 



experiment with, described, 



468 

 invisible dimorphous state 



of, 470, 471, 478 

 latent tendency to mutation 



in, 479 



