INDEX 



617 



Trifolium, Continued. 



hybridum, 405. 



incarnatum, 426. 



pannonicum, 410. 



repens, 411. 



suaveolens, 434. 

 Trisetum flavescens, 234. 

 Tufted vetch, 481. 

 Tunis-grass, 260, 263. 



Ulex europseus, 570. 

 Upright brome, 233. 

 Urd, 552. 

 Uromyces phaseoli, 511. 



striatus, 358, 398. 

 Urophlyctis alfalfae, 356. 

 Ustilago crameri, 294. 



Velvet bean, Florida, 544. 



description, 544. 



history, 544. 



utilization, 544. 

 Velvet grass, 232. 

 Vernal grass, sweet, 229. 

 Vetch, bird, 481. 



Bitter, 478. 



Black bitter, 478. 



Chickling, 454. 



Common, 457. 



comparison of species, 485. 



Dakota, 439. 



English, 457. 



Gray, 459. 



Hairy, 467. 



Kidney, 566. 



Narbonne, 479. 



Narrow-leaved, 477. 



Oregon, 457. 



Pearl, 458. 



Purple, 477. 



Russian, 467. 



Sand, 467. 



Sardinian, 459. 



Scarlet, 478. 



Siberian, 467. 



Smooth, 457. 



Tufted, 481. 



Villose, 467. 



White-seeded, 458. 



Winter, 467. 



Woolly-pod, 478. 

 Vetchling, 454. 



flat-podded, 484. 

 Viability of seed, 68. 

 Vicia angustifolia, 477. 



atropurpurea, 477. 



cracca, 481. 



dasycarpa, 478. 



ervilia, 478. 



faba, 479. 



fulgens, 478. 



hirsuta, 481. 



narbonnensis, 479. 



sativa, 457. 



tetrasperma, 481. 



villosa, 467. 

 Vigna sinensis, 491. 



Wall-barley, 354. 



Water-grass, 251. 



Weed seeds, 78. 



Weeds, in alfalfa, 78, 352-354. 



in clover, 78. 



in crimson clover, 434. 



in Kentucky blue-grass, 163. 



in Lespedeza, 78. 



in orchard-grass, 183. 



most dangerous, 78. 

 Weevil, cowpea, 511. 

 Weight, relation of green to dry, 32 



of seeds, 78. 



Western wheat-grass, 221. 

 Wheat-grass, slender, 219. 



western, 221. 

 White clover, 411-417. 



adaptations, 412. 



agricultural history, 412. 



botany, 411. 



description, 411. 



importance, 413. 



Ladino, 416. 



pollination, 415. 



seed, 416. 



seeding, 413. 



seed production, 415. 



yields, 414. 

 White melilot, 417. 



