INDEX TO VOLUME VIII 
(New names and final members of new 
Ahutilon berlandieri, 195; incanum, 195; 
jacquini, 195; malacum, 199; parvulum, 
199; peduncular e, 195; texense, 198; 
triquetrum, 195; wrightii, 195 
Acacia, 197 
Aceraceae, 330 
Achlya, 231; paradoxa, 236 
Actaea, pollen tubes of, 474 
Aecidium Dicentrae, 445 
Agave, 198, 218 
Agrostemma, pollen tubes of, 472, 477 
Aira, 255; caespitosa, 255; caryophyllea, 255 
Alisma, embryogeny of, 505; pollen of, 472 
Alnus, pollen of, 472 ; glutinosa, pollen of, 479 
Alternaria, 320 
Althaea rosea, 201 
Alveolaria, 447 
Amaryllidaceae, 331, 387 
Anacardiaceae, 330 
Anagallis, stylar canal of, 475 
Andropogon, 193; alopecur aides, 48; divari- 
catum, 48; hirtus, 255; virginicus, 255 
Anemone, pollen of, 472 
Anions, effect upon permeability of poly- 
valent cations in combination with poly- 
valent, 382; quantitative study of the 
effect of, on the permeability of plant 
cells, 366 
Anonaceae, 330 
Antiaris toxicaris, 238 
Antirrhinum, 472; tortuosum, pollen of, 479 
Apium graveolens, infected with Septoria 
apii, 523 
Aplopsora, description of genus, 442; Nys- 
sae, 442 
Apocynaceae, 330 
Apple, pollen of, 480 
Araceae, 330; food plants of, 329 
Araucaria brasiliana, 219; imbricata, 226 
Araucarioxylon Hoppertoniae, 224 
Aristolochia Sipho, 185 
Arthur, Joseph Charles. Specialization 
and fundamentals in botany, 275 
Arundinaria Simoni, 219 
Asclepiadaceae, 330 
Aspergillus aurantiacus, 122; aureus, 123; 
chrysospermum, 119; citrisporus, 119; ef- 
combinations are in heavy face type.) 
fusus, 105; flavescens, 112; flavus and 
associated species, loy, flavus-oryzae, 103; 
fulvus, 120; fumigatus, 109; giganto-sul- 
phureus, 107; glaucus, 11 1; gymnosardae, 
108; luchuensis, 117; micro-virido-citrinus , 
107; nidulans, 123; niger, no; effect of 
salt proportions and concentration on the 
growth of, 147; oryzae and associated 
species, 103; oryzae var. basidiferens , 108; 
parasiticus, 105; perniciosus, 107; pseudo- 
flavus, 108; repens, in; Siebenmanni, 112; 
tamari, 103; terricola, 114; var. Ameri- 
cana, 114; Tokelau, 122; umbrinus, 120; 
variabilis, 126; Wehmeri, in; Wentii, 103 
Atropa belladonna, stylar canal of, 475 
Avena sativa aristata, 259; sterilis, 456 
Azotobacter, i, 24; beyerinckii, 25; chroococ- 
cum, 24; vinlandii, 25 
Bacillus fluorescens liquefaciens , 478; radi- 
cicola, 26 
Bacteria, soil, i 
Bacterium tumefaciens, cancer of beet pro- 
duced by, 507; beticolum, 508 
Baeodromus, 447 
Bald cypress, 198 
Ball, Carleton R. The relation of crop- 
plant botany to human welfare, 323 
Bambusa arundinacea, 219; tesselata, 219 
Banana wilt, losses from, 315 
Baptisia, 193 
Bastardia viscosa, 195 
Bechtel, Albert Reiff. The floral anat- 
omy of the Urticales, 386 
Beet, 33, 37, 257 
Berberis Thunbergii, leaves of, 433 ; vulgaris, 
433 
Bergman, H. F. The effect of cloudiness 
on the oxygen content of water and its 
significance in cranberry culture, 50 
Beta vulgaris, the nature of the soil as a de- 
termining factor in the health of the beet, 
and its relation to the size and weight of 
the crown gall produced by inoculation 
with Bacterium tumefaciens, 507; pollen 
of, 480 
Betulaceae, 331 
