450 



INDEX 



Thistle, Sow, 7, 8, n, 24, 27, 28, 

 140, 396 



Spear, 178, 394 



Stemless, 178, 394 



Thistles, i i, 28, 140, 150, 177, 233 



Thlaspi arvense, 66, 369, 387 



Thorn Apple, 305, 398 



Thrashing machines, cleansing of, 33 



Thyinelacea, 308, 401 



Thyme-leaved Sandwort, 71, 388 



Tillage promoted by weeds, 3 



Toadflax, Yellow, 109, 233, 398 



Toadpipe, 228 



Toothwort, 273, 399 



Torilis Anthriscus, 171, 369, 392 



nodosa, 82, 392 

 Tormentil, 165, 390 

 Totter Grass, 223 

 Tragopogon pratensis^ 191, 395 

 Transpiration by plants, 9 

 Traveller's Joy, 13, 151, 384 

 Trenching to kill weeds, 3, 41 

 Trifolium arvense, 369 



minus, 369 



pratense, 13, 39, 359 



procumbent , 369, 370 



repens, 39 



sp. , 27 



Triticnm repens, 132, 233, 319, 370, 



407 



Tufted Hair-grass, 143, 220, 406 

 Turnip Flea Beetle or Fly, 1 1 

 Tussilago Farfara, 24, 87, 185, 394 

 Tussock Grass, 28, 220, 406 

 Twitch, 132, 218, 233, 407 



Surface, 1 16 



Tylenchus devastatrix, 10, II 

 Typha latifolia, 334, 406 

 Typhacece, 333, 406 



Ulex europatis, 161, 389 

 - Gal Hi, 161 



nanus, 161 



Umbelliferce, 81, 151, 167, 294, 328, 



39i 



Upright Hedge Parsley, 171 

 Urtica dioica, 124, 207, 402 



iirens, 125, 402 



Urticacece, 124, 207, 402 

 Uses of weeds, 2 



VALERIAN, 329, 392 



officinalis, 329, 392 



Valerianacece, 329, 392 



Venus' Comb, 81, 392 

 Veronica agrestis, 109, 233, 399 



Anagallis, 330, 399 



Beccabunga, 330, 399 



Buxbaiimii, 109 



Chamcsdrys, 140, 199, 399 



hedercefolia, 109, 399 

 Vetches, effect of spraying on, 48 



growth of, to combat Annual 



Knawel, 76 



weeds, 30 



Viola tricolor, 68, 369, 370, 387 

 Violacea, 68, 387 

 Violet Root Rot, 12 

 Viper's Bugloss, 28, 106, 397 

 Visctcin album, 274, 402 

 Vitality of seeds, 23, 59 



WALL BARLEY GRASS, 226 



Wart Cress, 68, 233, 387 



Waste corners, weeds seeding in, 22 



"Watch Wheels," 53 



Water Bedstraw, 393 . 



Cress, 5 



Crowfoot, 323, 324, 384, 385 



Dropwort, 296, 392 

 Figwort, 398 



fowl, 341 



- Hemlock, 296, 391, 392 



- Lilies, 323, 325, 326, 386 



- Milfoil, 327, 393 



- Mint, 323 



- Parsnip, 328, 391 



Plantain, 335, 403 



- Speedwell, 330, 399 



- Starwort, 326, 393 



- Thyme, 332, 403 



Wavy Hair Grass, 151, 218, 406 

 Waybent, 226, 407 

 Waybread, 198, 398 

 Weed seeds, eaten by birds, 429 



grinding of, 33 



illustrations of, 378-383 



in farm seeds, 368 



number in soil, 26 



reduce value of agricultural 



seeds, 14 



vitality of, 23 

 Weed-cutter, 341 



r motor punt, 342 

 Weed cutting saw, 342 



killers, 346, 350 



Weevil, Cabbage and Turnip Gall, 

 il 



