Index 
Abies, 465 Actinomyces Myricarum, 179, 373, 500 
Abies balsamea, 466 Adder’s Tongue, 434 
Abies sibirica, 466 Adhesion, 268 
Abrus precatorius, 540 Adiantum, 434, 435 
Absinthium, 615 Adiantum Capillus-Veneris, 436 
Absorption of nutrient salts, 155 Adiantum pedatum, 436 
selective, 155 Adnation, 265 
Acacia, 301, 536, 539 Adonis N, F., 519 
Acacia Catechu, 540 : Adonis vernalis, 519 
Acacia Senegal, 95, 539 cidiospores, 401 
Acajou Gum, 552 AEcidium, 401 
Acanthacea, 602 AEcium, 401 
Acanthus Family, 91, 602 Aigle Marmelos, 546 
Accretion, defined, 27 Aerobe, 34 
Acer, 554 : Aerogens, 364 
Acer spicatum, 554 AEthallia, 374 
Aceracea, 554 Agar, 361 
. Acetic acid, 680 Agaricacea, 405 
Achillea, 615 : Agaricales, 403 
Achillea millefolium, 615 Agaricus, 404 
Achras Sapota, 582 Agaricus campestris, 405 
Acid alcohol, 680 Agathis australis, 466 
Acidum Gallicum, 507 Agathis loranthifolia, 466 
~ Acidum Tannicum, 507 Agave, 619 
Aconite, 162, 518 Agave americana, 75 
Aconiti Folia, 519 Agavose, 75 
Aconitine, micro-chemic test for, 86 Aggregation-body, 243 
Aconitum, 518 Agricultural Botany, defined, 3 
calyx of, 266 Agrimonia, 535 
fruit of, 301 Agronomy, defined, 3 
galea of, 268 Agropyron repens, 485 
histology of, 175 Fig. of cross section of stem, 219 
Aconitum Napellus, 86, 518, 619 Ailanthus Family, 546 
Aconitum Napellus var. roseum, Fig. of  Arzoacea, 514 
cross sect. of stem, 130 Akene, 303 
Aconitum U.S.P., 519 Albumen, defined, 314 
Acorus Galamus, 487, 618 endospermic, 314 
Fig. of, 488° mode of formation, 314 
Fig. of cross section of root, 144 perispermic, 314 
Actea, 518 Albumens, 93 
Alburnum, 213 
Actinomyces, 372 
Actinomyces bovis, 373 Alcaligenes melitensis, 373 
741 
