INDEX 
Angiosperm, development of female 
gametophyte, 292, 474 
development of male gametophyte, 
292, 474 
life history of an, 471 
Angiospermz, 443 
Angiosperms, 15, 443, 471 
classes of, 479 
distinctions from gymnosperms, 
478 
fertilization in, 292 
resemblances between and gymno- 
sperms, 478 
Aniline, blue, 681 
brown, 681 
chloride, 681 
sulphate, 681 
Anise, 258, 576 
Anisum, 576 
Annatto, 565 
Annual plants, 162 
Annual rings, 205, 206 
thickening, 205 
Annulus, 67, 407, 433 
false, 409 
true, 407 
Anonacea, 515 
Anthemis, 615 
Anthemis nobilis, 615 
Anther, 274, 277 
adnate, 276, 282 
attachment of, 282 
confluent, 276 
dehiscence, 279, 475 
development of, 279 
extrorse, 282 
Figs. of cross sect. of, 278, 280 
gross structure of, 277 
histology of, 277 
innate, 276 
introrse, 282 
lobes, 277 
syngenesious, 276 
versatile, 276, 282 
Antheridia, 346, 348, 355, 426 
Antheridium, 358 
Antherozoids, 339, 441 
Anthocarp, 298 
Anthoceros, 419 
743 
Anthocerotales, 419 
Anthocyanins, 100 
Anthophore, 266 
Anthotaxy, 256 
Antigonon leptopus, 512 
Antipodals, 292 
Apetala, 499 
Apii Fructus, 577 
Apiol, 577 
Apium graveolens, 577 
Apocynacea, 587 
Apocynum, 589 
Apocynum cannabinum, 587, 589 
Apothecia, 388 
Apothecium, 388, 416 
Appendages, epidermal, 124 
Apple, 305, 534 
Fig. of flower, 271 
Fig. of fruit, 306 
Rust, 402 
Appressorium, 378 
Apricot, 534 
Aquifoliacea, 552 
Aquilegia, 269 
Arabis, 528 
Aracea, 487 
Arales, 487 
Aralia, 575 
Aralia hispida, 575 
nudicaulis, 575, 576 
racemosa, 575 
spinosa, 575, 576 
Araliacea, 575 - 
Arbor vite, 465 
Arbutus unedo, 579 
Archegonia, 422, 426 
of pine, 451, 452, 453 
Archegonium, 69, 418 
Archichlamydez, 499 
Arctium Lappa, 615 
minus, 612, 615 
Arctostaphylos, 580 
manzanita, 582 
Uva Ursi, 580, 581 
Fig. of, 581 
Areca Catechu, 487 
Areca, 487 
Arecoline Hydrobromidum, 487 
Aril, 313 
