844 



Index 



Sports, 191, 715, 689 



bud, 427 



Sprenger, 610 4 611 

 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," 13.5 



"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. Johns wort, 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 

 Sweet-pea, 160, 776 

 Sweet William, 163, 282, 322 

 648 



twisted variety 

 Syncotyls, 417, 424 



Syringa vulgaris azurea ple- 

 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 

 Tavus, 136 

 baccata, 169 



baccata 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 

 Tilia 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 



