592 
INDEX 
All numbers refer to pages, heavy type indicating illustrations. 
Individual adaptations, 442; dif- 
ferences, 565 
Individuality, 572 
Induced variations, 448 
Indusium, 179 
Industrial implements, 245; plants, 
222 
Inferior ovary, 350, 365, 380 
Infertile hybrids, 430 
Inflorescence, 343, 352; amenta- 
ceous, 373; botryose, 344, 345, 
352; capitate, 373; compound, 
344, 345, 352; corymbose, 345, 
352; cymose, 343, 345, 352; 
determinate, 343, 352; ‘diaeci- 
ous, 360; ebracteate, 362; in- 
determinate, 344, 352; monce- 
cious, 374; paniculate, 345, 
352; polygamous, 354; race- 
mose, 345, 352; simple, 352; 
spicate, 373 
Inflorescence, parts of: awn, 13; 
beard, 18; bract, 13, 354; bract- 
let, 354; chaff, 11; disk, 61; 
elume, 387; husk, 11; involucel, 
344; involucre, 61, 344, 354; 
lodicule, 13; rachis, "14, 344; re- 
ceptacle, 61; spathe, 388; spike- 
let, 13 
Inflorescences, ament, 373; catkin, 
373; cyme, 344; ear of grain, 11; 
head, 373; head of grain, 11; 
panicle, 345; raceme, 344; spa- 
dix, 388; spike, 373; umbel, 370; 
umbellule, 370 
Inheritance of acquired charac- 
ters, 446; of acquirements, 443 
Ink, 290; India, 294; printing, 
294, 295; writing, 294 
Inorganic, realm, 562; substances, 
321, 570 
Insect-pollination, 557 
Insects attracted by sweets, 557 
Insertion, 349 
Insoles, 280 
Insulating material, 287 
Insulators, 284 
Integuments of ovule, 551, 556 
Intensity of the struggle for ex- 
istence, 453 
Interior finish, 257, 259, 261, 263, 
268, 270 
Internode, 317, 318 
Interval cell-division, 495 
Involucel, 344 
Involucre, 61, 344, 354 
Ipomea Batatas, Sweet Potato 
Tridacee, Iris Family 
Iris Family, 390, 397, 424, 425: 
saffron crocus, 176 
Irish moss, 105, 112, 163, 165, 491 
Iron and steel versus wood, 248 
Irregular flowers, 349, 354 
Ivory, Vegetable, 275, 276, 388 
Ivy, Poison, 218, 21 
Jambosa Caryophyllus, Clove 
Japanese Cycad, 5 
Jerusalem Artichoke, 43, 61, 62, 
120, 125, 385, 420, 421 
Jimson-weed, 199, 200, 208, 210, 
382, 416, 417 
Johnson Grass, 236 
Joinery, 242, 260, 266 
Juglandacee, Walnut Family 
Juglanaales, Walnut Order 
' Juglans cinerea, Butternut 
nigra, Black Walnut 
regia, Walnut 
Juice, acrid, 357; milky, 361; 
poisonous, 357 
Juncus effusus, Rush 
Juniper, 158, 159, 392, 426, 427 
Juniperus communis, Juniper 
virginiana, Red Cedar 
Jussieu, Antoine Laurent de, 311, 
328; Bernard de, 311 
Jute, 224, 230, 232, 367, 410, 411 
Kale, a 120; garden, 68; wild, 
Kaleidoscope analogy, 461 
Kalmia latifolia, Mountain Laurel 
Keel, 48, 366 
Keels, 263 
Kelps, 485 
Kidney Bean, 49, 50, 85, 114, 120, 
124 
Kilogrammeter, 116 
Kingdom, 8, 428 
Kingdoms, The Three, 561 
King of dyestuffs, 291 
Kinship, 403, 428 
Knitting, 223 
