5'dS 



INDEX 



All numbers refer to pages, heavy type indicating illustrations. 



showy ladies' slipper, 220; yel- 

 low ladies' sHoper, 220; vanilla, 

 149 



Orchid Order, 391, 397, 424, 425 



Orchids, 218, 219, 311 



Order, 8, 428 



Orderly progress, 469 



Orders, Linna^an, 309; natural, 

 310, 311 



Ordinary English in describing, 

 312 



Organic, compounds, 562; evolu- 

 tion, 431, 572; materials, 570; 

 realm, 562, 569; substances, 321 



Organisms, 321, 562; as self-build- 

 ing boats, 569 



Organs, 321; adhesion of, 365; 

 analogous, 321 



Oriental food-plants, 124 



Origanum Majorana, Sweet IMar- 

 jorum 



Origin, of adaptations, 442; of hfe, 

 566; of life in the sea, 491; of 

 species, 441 



Origins, the problem of, 428 



Ornamental, flowers, 303; woods, 

 268, 269 



Ornaments, 268, 276 



Orpine Family, 399 



Orthotropous ovule, 372 



Oryza saliva, Rice 



Osiers, 241 



Osmunda, 537 



Osmnndacece, Roval-fern Family 



Ovaries, inferior, 350, 365, 380; 

 half-inferior, 350; superior, 350 



Ovary, 12, 14, 319, 345, 556 



Overproduction of offspring, 447 



Overshoes, 283 



Overstimulation, 159, 160 



Ovulary cavity, 345; divided by 

 partition, 363 



Ovule, 12, 14, 319, 325, 352, 550, 

 551; parts of, 346 



Ovules, anatropous, 346, 355; 

 campylotropous, 363; ortho- 

 tropous, 372 



OxalidacecE, Oxalis Family 



Oxalis Family, 399 



Oxeye, 380, 435 



Oxidized hydrocarbons, 285, 287 



Oxygen, 570; in grains, 31 



Packing, 223, 235, 279, 280 



Packing material, 239 



Paionia officinalis, Peony 



Pails, 243; paper, 224 



Painting, 222, 296 



Paints, 295 



Palaqidum Gutta, Taban-tree 



Pahnacea, Palm Family 



Pahnce, Palms 



Palmales, Palm Order 



Palm, oils, 296, 297, 389, 397, 422, 

 423; sago, 388; seeds, 282; stem, 

 255 



Palm Family, 388, 397, 422, 423: 

 coconut, 46, 47; date, 100, 101; 

 rattans, 237, 238; sago palms, 

 109, 110; vegetable ivory, 276, 

 276 



Palm Order, 389, 397, 422, 423 



Palmatic acid, 296 



Palmatin, 296, 297 



Palmate nervation, 340, 352 



Palmately compound, 340; di- 

 vided, 340; ribbed, 337 



Palm-leaf fans, 388 



Palms, 311, 389 



Paneling, 263 



Paniculate inflorescence, 345, 352 



Panspermia, 567 



Papaveracea', Poppy Family 



Papaverales, Poppy Order 



Papaver somniferuin, Opium Poppy 



Paper, 223, 224, 228, 230, 235, 241; 

 boxes, 224; canoes, 224; car- 

 wheels, 224; making of, 222; 

 manila, 232; napkins, 224; pails, 

 224 



Papier-mache, 224 



Papilionaceous corolla, 366 



Pappus, 386 



Parallel-veined leaves, 387 



Paraphyses, 487, 503 



Parasite, 303, 494 



Parasitic fungi, 504 



Parchment, vegetable, 230 



Parenchyma, 530 



Parietal placenta, 362 



Parmeliacece, Shield-lichen Family 



Parsley, 137, 140, 370, 410, 411 



Parsley Family, 370, 400, 412, 413 

 anise, 142; asafetida plant, 175 

 caraway, 142; carrot, 55, 56, 57 



