460 



THE WHEAT PLANT 



Prizetaker, 299 

 Prolific, Hickling's, 295 

 Prophyll, 44, 51, 52 (Fig. 59) 

 Proportion, grain to chaff, 432 



grain to straw, 432 

 Prostrate habit, 69, 162 (Fig. 66) 

 Pubescence of leaves, 364 

 Pudel, 297 

 Punjab, Type i, 219 



Type 2, 221 



Type 3, 212 



Type 4, 323 



Type 5, 324 



Type 6, 324 



Type 7, 324 



Type 9, 281 



Type 20, 299 



Type 21, 298 



Type 22, 301 

 Pure line, 41 1 

 Puriewitsch, 30 

 Pur os, 335 

 Purple grain, 17, 195, 196 



Rachilla, 101 (Fig. 76) 

 Rachis, 100 (Fig. 76) 



anatomy of, 105, 106 



brittle, 100, 364 



tough, 100, 364 

 Rainfall and growth, 5 



and tillering, 75 



Rapado de espiga quadrata, 318 

 Ratel, 258 

 Ray, 230 

 Raynbird, 361 

 Regel, 16, 382 

 Rent Payer, 296 

 Requien, 380 

 Resistance, frost, 162 



rust, 375 



Reynold's Discovery, 260 

 Rhizome, 65, 67 (Figs. 59-61) 



anatomy of, 105, 106 

 Richard, 7 

 Rieti, 277 



Right-handed plants, 45, 46 (Fig. 36) 

 Rimpau, 357, 388, 399, 402 

 Rimpau's Schlanstedt, 301 

 Ripening of grain, 139, 140 



inheritance of, 363 



stage of grain, 141 

 Risciola, 214 

 Rivet wheat, 156, 241-261 



Red, 258 



White, 259 

 Roemer, 150 

 Roermaker, 275 

 Romanella, 284 



Root, anatomy of, 39-43 (Figs. 26-34) 

 Root-cap, 42, 43, 135 (Figs. 31, 107, 108) 

 Root-hairs, 35, 39 (Figs. 26, 28) 

 Root-system of embryo, 14 



of plant, 35-38 

 Roots, adventitious, 35-37 (Figs. 22, 24, 25) 



and lodging, 79 



origin of lateral, 43 (Fig. 33) 



Roots of Spring and Winter wheats, 79 



(Fig. 67) 

 seminal, 35, 36 

 Rostafinski, 231 

 Rothamsted, 34, 419, 420 

 Rouge barbu de Mars, 285 

 Rough Chaff, Essex, 297 

 Riimker, 354, 402 

 Russian, North, 302 

 Rust-resistance, 375 

 Rye, Giant, 231 

 Rye grass x wheat, 380 

 Rye, Montana, 231 

 Rye x wheat, 386 



Sachs, 17 

 Saidi, White, 263 

 Sakamura, 119 

 Salmon, 129 

 Sandomir, 300 

 Santa Marta, 223 

 Saragolla, 213 

 Sari Bashak, 222 



Bogda, 280, 287 



Sakij, 222 



Saumur de Mars, 294 

 Sounders, C. E., 366 

 Sax, 119, 130 

 Schenk, 1 1 



Schimper, W., 195, 231, 262 

 Schlegel Dinkel, 333 

 Schliemann, 170, 206 

 Schoute, 68, 72 

 Schrank, 148 

 Schiibeler, 84 

 Schiibler, 150 

 Schultes, 150 



Schulz, 183, 184, 187, 336, 377 

 Schwendener, 58 

 Scutellum, 13, 16, 17, 134 (Figs. 9, 10) 



vascular bundles of (Figs. 13-15) 

 Seed, 10-17 



amount sown, 421 



large v. small, 426, 427 



size of, 425 



variety, 422 

 Seigle wheat, 305 

 Selection, individual, 408 



mass, 408 



of hybrids, 41 1 



pedigree, 410-41 1 

 Self-pollination, 129 

 Seringe, 150, 151, 173, 231, 263 

 Serum reactions, 338 

 Seven-headed wheat, 253 

 Shaw, 420 

 Shcrard, 168 

 Shirreff, C. H., 429 

 Shirreff, Patrick, 73, 358, 360, 409 

 Shirreff, S. D., 296 

 Shirreff's White Bearded, 276 

 Shooting of the stem, 81-92 

 Shutar Dandan, 205 

 Siah Das, 205 

 Sicilio, 252 

 Siebritz, 282 



