INDEX 
All numbers refer to pages, heavy type indicating illustrations. 
Abnormalities, 436 
Absinthe, 159 
Absorbent cotton, 228 
Acacia Senegal, Gum Arabic Tree 
Accommodation versus competi- 
tion, 454 
Acer Saccharum, Sugar-maple 
Aceracee, Maple Family 
Acetic Acid, 156 
Achene, 351, 386 
Aconite, 182, 189, 190 
Aconitine, 190 
Aconitum Napellus, Monkshood 
Acorn, morphology, 375 
Acorus Calamus, Sweet-flag 
Acquired adaptations, 441, 443; 
characters, 443, 445 
Acquirement, permitted by nat- 
ural selection, 450; versus selec- 
tion, 452 
Aerid juice, 357 
Actea spicata, Baneberry 
Adaptation, 428, 572 
Adaptations, 431; acquired, 441, 
443; characteristic, 442; in- 
dividual, 442; origin of, 442; 
selected, 446; sudden, 457, 459 
Adder-tongue, 532, 533, 558 
Adder-tongue Family: 
tongue, 532, 533, 558; grape- 
fern, 532, 533. 
Adhere, 365 
Adhesion of organs, 365 
Aération, 530 
fEstivation, 349; convolute, 369; 
imbricate, 349, 354; open, 371; 
plicate, 381; plicate-convolute, 
381; valvate, 349, 354 
ome Gill-mushroom Fam- 
ily 
Agaricus campestris, Field Mush- 
room 
adder- 
Agriculture, primitive centers, 122, 
123 
Air-cushions, 284 
Air-plant, 508 
Albumen, 316,°351, 352 
Albuminous seeds, 355 
Alcohol, 156 
Alcoholic beverages, 156 
Alcoholic fermentation, 495 
Alga Subdivision, 395, 396 
Algae, Seaweed Subdivision 
Alge, as gonidia, 509; in general, 
491; of hot springs, 475 
Algo-fungal air-plants, 509 
Alkaloids, 150, 177, 181 
Allium Cepa, Onion 
Allspice, 128, 130, 177; oil, 130, 
297 
Almond, 35, 42, 120, 124, 167, 363; 
kernel, 114; oil, 296; philopena, 
365 
Alpine Rose, 378 
Alternate, floral organs, 350, 354; 
leaves, 342, 352 
Alternation, of floral organs, 350; 
of generations, 485, 512 
Althea ojficinalis, Marshmallow 
Amadou, 239, 241 
Amanita muscaria, Fly-amanita 
phalloides, Death-cup 
Amarantacee, Amaranth Family 
Amaranth Family, 378 
Amaryllidacee, Amaryllis Family 
Amaryllis Family, 397 
Amber, 288 
Amentaceous inflorescence, 373 
Aments, 373 
American, aspen, 264; food-plants, 
124; elm, 259; laurels, 416, 417; 
sycamore, 267, 268; wood- 
anemony, 205 
Ammonia, 33 
577 
