INDEX 
Apocynaceae, 384 
Apocynum, cannabinum, 386 
latex of, 94 
Apothecia, 256, 281 
Apothecium, 256 
Apple, 210, 338 
Applied Botany, definition, 2 
Apposition, growth by, 97 
Appressorium, 249 
Arabis, 334 
Araceae, 300 
Arales, 300 
Aralia N. F., 376 
hispida, 376 
nudicaulis, 376 
racemosa, 376 
spinosa, 376 
Araliaceae, 376 
Arbutus unedo, 379 
Archegonia, 42 
Archegonium, defined, 282 
Archichlamydeae, 309 
Arctium Lappa, 406 
Arctostaphylos, 380 
Uva Ursi, 379, 380 
Areca catechu, 300 
nut, 300 
Arenga saccharifera, 75 
Aril, 214 
Arillode, 214 
Arisaema triphyllum, 301 
Aristolochia, 320 
reticulata, 321 
Aristolochia, serpentaria, 5, 320 
sipho, 140, 144 
Arnica, 406 
montana, 406 
Artemisia Absinthium, 406 
pauciflora, 406, 407 
Arum Family, .300 
Asafcetida, 377 
Asagraea officinalis, 303 
Asarum N. F., 321 
canadensis, 321 
Asarum, N. F., flower of, 320 
Asci, 251, 257 
Asclepiadaceae, 386 
Asclepias, latex of, 94 
Asclepias N. F., 386 
Asclepias tuberosa, 386 
Ascocarp, 265 
Ascomycetes, 251 
Ascospores, 251 
of claviceps, 265, 266 
Ascus, 251 
Ash, 381 
mountain, 74 
Asparagine, 85 
Asparagus, 85 
Aspergillus, 256 
fumigatus, 262 
glaucus, 260 
herbariorum, 260, 261 
niger, 263, 264 
oryzae, 261, 262 
Aspidium. See Dryopteris. 
Aspidosperma Quebracho-bianco, 
386 
Assimilation, defined, 155 
parenchyma, 101 
Asteraceae, 402 
Astragalus gummifer, 91 
Atriplex, 323 
Atropa, 391 
Atropa Belladonna, 85, 391 
Aurantieae, 349 
Aurantii Dulcis Cortex, 350 
Amari Cortex, 350 
Auriculariales, 271 
Austrian Pine, Fig. of cones, 47 
Autobasidiomycetes, 271 
Auxospore, 239, 240 
Awn, 214 
Azalea, 191, 379 
amena, 379 
apples, 273 
Azolla, 292 
