INDEX 



671 



Oryza, sativa, minuta, 206 

 Osage orange, 252 

 Ovary, 48 



inferior, 54 



superior, 54 



wall, loi 

 Ovules, 48, 50 

 Oxypolis, S30 

 Oxyria digyna, 284 

 Oyster plant, 633 



Spanish, 635 



Pacific Coast dewberry, 352 

 Painted lady bean, 423 

 Palea, 80 

 Palet, 80 



Palisade tissue, 44 

 Panicle, 56, 79 



oats, 130 

 Panicum, 210 



miliaceum, 210, 213 

 compactum, 215 

 contractum, 215 

 eSusum, 215 

 PapaveracejE, 326 

 Paper mulberry, 252, 254 

 Pappus, 627 



Papyrus papyrifera, 252, 254 

 Parsley, 539 

 Parsnip, 536 

 Parthenocarpy, 374 

 Parthenocissus, 492 

 Fastinaca, 533 



sativa, 536 

 Pasture crop, 149 

 Patent flour, 108 

 Patanas, 69 

 Pea, 417 



chick, 467 



common sweet, 432 



edible-podded, 418 



family, 413 



everlasting, 432 



Pea, field, 418, 420 



flat-podded, 432 



garden, 418 



perennial, 432 



shelling, 418 



sugar, 418 



Tangier, 432 



wild, 432 

 Peach, 407 

 Peacock barley, 146 

 Peanut, 462 



butter, 464 



meal, 465 



oil, 465 

 Pear, 384 



Chinese, 384, 385 



common, 384, 385 



Japanese, 384, 385 



sand, 384, 38s 



tomato, 587 

 Pearl barley, 149 



millet, 211 

 Peepul tree, 267 

 Pencilaria, 213 

 Pennisetum, 88, 210 



spicatum, 211 

 Penny cress, 326 

 Pepino, 561 

 Pepo, 608 

 Pepper, 592 



Cayenne, 595 



Tabasco, 595 



vine, 492 

 Perennial, 20, 70 



pea, 432 



tree onions, 243 

 Perianth, 49 

 Periblem, 17 

 Pericarp, loi 

 Pericycle, 17 

 Peridrigon plums, 399 

 Perisperm, 102 

 Perpetual strawberry, 363, 364 



