INDEX 



Abies, 309 



Absorption, 67, 150, 155, 223 

 Accessory fruit, 110 

 Acer, 362 

 Achene, 111 

 Acids, 17, 139 

 Aeration, 221, 224 

 jEscuIus, 362 

 Agaricineaj, 286 

 Agave, 329 

 Agriculture, 251 

 Agronomy, 3, 247 

 Alt, composition of, 192 

 Albugo, 275, 276 

 Alder, 332 

 Aleurone, 17 

 Alfalfa, 354 

 Algse, 7, 260 

 Alkaloids, 17, 137 

 Alnus, 332 

 Aloe, 329 



AmaryUidacese, 329 

 Amelanchier, 349 

 Amides, 140 

 Ammonification, 204 

 Ampelopsis, 364 

 Anacardiaceae, 361 

 Ananassa sativa, 325 

 Andrealea, 293 

 Angiosperms, 7, 258, 303, 304 

 Anise, 370 

 Annuals, 6 

 Anonaceae, 338 

 Antheridium, 264, 289, 298 

 Anthocerotales, 289, 292 

 Antipodals, 97 

 Apium, 370 

 Apple, 347 

 Arachis, 354 

 Archegonium, 289, 297 

 Artichoke, 383 

 Asclepiadacese, 373 

 Asolepias, 373 

 Ascomycetes, 260, 273, 278 

 25 



Ash, 199, 371 

 Asimina, 338 

 Asparagus, 328 

 Aspergillus, 279 

 Avena sativa, 316 



B 



Bacteriology, 250 



Banyan, 336 



Barberry, 339 



Barley, 316 



Basidiomycetes, 260, 273, 283 



Bast, 24 



Bean, 117, 353 



Beech, 332 



Beets, 337 



Berberis, 339 



Berry, 110 



Berveridacese, 339 



Beta, 337 



Betula, 332 



Betulacese, 331 



Biennials, 6 



Bignonia, 379 



Bignoniacese, 379 



Birch, 332 



Blackberry, 350 



Bladder nut, 362 



Bleeding, 178 



Blueberry, 320 



Botrydium, 269 



Brassica, 342 



Breeding, 107, 249 



Bromeliacese, 325 



Brown, Robert, 14 



Brussels sprouts, 342 



Bryales, 293 



Bryophytes, 258, 289 



Buckeye, 362 



Buckwheat, 336 



Budding, 104 



Buds, 31, 37, 43 



Bud scales, 74 



Bulbs, 31, 34 



• 385 



