INDEX 



Page numbers in bold-faced type indicate location of illustrations. 



Abaca, 351 

 Acacia, 387, 476 

 Accessory fruit, 168 

 Achene, 167, 168 

 Aconite, 381 

 Acorn, 168 

 Agar, 91 

 Agave, 352 

 Aggregate fruit, 168 

 Alcohol, 240, 397 

 Ale, 243 

 Aleurone, 170 

 Alder, 285 

 Algae, 5, 9, 10 



blue-green, 15, 86, 87, 107 



brown, 28-30, 88, 89, 90 



green, 86, 88, 108 



red, 90, 91, 108 

 Algae-like fungi, 91, 92 

 Allspice, 229 

 Almond, 145, 200, 201 

 Aloes, 376 

 Alternate host, 407 

 Alternation of generations, 56, 57, 



60, 63, 66, 81 

 Alum root, 442, 443 

 Amaryllidaceae 469 

 Amaryllis Family, 469, 490, 491 

 Amber, 384 

 Amino acid, 135 

 Amorphophallus, 107 

 Anemone, 437, 438 

 Angiosperm, 67, 100-102, 108 

 Anise, 231 



Annual ring, 43, 249, 252 



Antheridium, 55 ^ 56, 57, 58 



Anthocyan, 137 



Apple, 145, 194, 196 

 acreage, 195 

 life history of, 72, 81 



Apricot, 147, 200 



Araceae, 463, 464 



Arbor vitae, 273, 274 



Archegonium, 55, 56, 57, 58 



Arrowroot, 397 



Arum Family, 107, 109, 463, 464, 

 490 



Ascomycetes, 92, 423-427 



Ascus fungi, 92, 423-427 



Asexual reproduction, 20, 50 



Ashes, 77, 307, 308, 309, 324, 328, 

 332 



Asparagus, 159, 160 



Aspen, 282 



Aster, 460, 462 



Atropine, 376 



Attar of rose, 390 



Autotrophic, 13 



Auxiliary pigments, 87 



Avocado, 149, 188 



Azalea, 148, 330, 452, 453, 479 



Bacilli, 46, 403, 408 



Bacteria, 5, 14, 45, 46, 51, 86, 



107, 113-116,403-412 

 Bamboo, 354 

 Banana, 147, 207, 208 

 Baneberry, 436, 437 



505 



