INDEX. 
cxxxvii 
Arsenate of lime as insecticide, 208 
Arsenates, toxic value of, 208 
Arsenical injury through bark, 547 
Artanema longifolium, 548 
Artemisia lactiflora, 288 
stock for chrysanthemums, 247 
Arum Dracunculus, c 
hygrophilum, c 
italicum, c 
Arundina bambusaefolia, xxxiv 
Arundinaria anceps, 92 
Arundo Donax, 286 
Ascochyta clematidina, 214 
Ash, durability of, 248 
wood leopard-moth in, 227 
woodland, 252 
Ashby, A. W„ " Allotments and Small 
Holdings in Oxfordshire," 200 
Asparagus fasciated, xcv 
Rhizoctonia disease, 548 
Aspen, durability of, 248 
wood leopard- moth in, 227 
Aspergillus niger, 546 
Aspidium, 284 
Aster, ' J. S. Baker,' xxxiii 
novi-belgii ' Joan Vaughan,' 
A.M., cxviii 
' Snow Bunting,' cxx 
staticifolius, 581 
subulatus, 250 
Astilbe ' Cream Pearl,' 288 
Davidii, 288 
grandis, 288 
' Queen Mary,' 288 
' Rubens,' 288 
' Salmon Queen,' 288 
Tacqueti, 209 
' Venus,' 288 
' Vesta,' 288 
Astragalus galegiformis, use of seeds, 
548 
Astrantia helleborifolia, xcv 
Athyrium, 285 
Filix-foemina clarissimum, cxvi 
Atropa Belladonna, effect of selection 
for alkaloid production, 548 
Aubrietias, 3, 4 
Aucuba with acidia, xxxv 
Azalea calendulacea, 85 
narcissiflora, 83 
Azaleas in water garden, 282, 285 
in autumn, 342 
Azara Gilliesii, 81 
microphylla, 82 
Azotobacter, 229, 240 
Bacillus amylovorus, 232 
apiovorus, 213 
atrosepticus, 569, 570 
carotovorus, 213 
cereus, 574 
fluorescens, 574 
fruit blossom, 556 
megatherium, 574 
melanogenes, 569, 570 
mycoides, 574 
phytophthoru6, 216 
simplex, 574 
tracheiphilus, 216, 580 
Bacterial disease of peach, 566 
Bacterium citrarefaciens, 214 
juglandis, 579 
nectarophilum, 232 
translucens, 548 
tumefaciens, 216 
Bailey, L. H., " Standard Cyclopaedia 
of Horticulture," 199 
" The Pruning Manual," 536 
Balance sheet, 19 16, xii 
Bamboos in the water garden, 281, 
282, 286 
Bark beetle, 223 
injury through, by arsenical 
sprays, 547 
Barley, bacterial blight of, 548 
Bibio attack upon, 549 
Bastin, H., " British Insects and how 
to know them," 193 
Beans, broad, tried at Wisley, 19 17, 
160, ciii 
insects attacking, 249 
sclerotinia blight, 548 
Beckett, E., on the cultivation of 
vegetables, 5 
" Roses and How to Grow 
Them," 536 
Beech attacked by Bulgaria poly- 
morpha, 209 
durability of, 248 
in autumn, 340 
wood leopard moth in, 227 
Bees, Isle of Wight disease, 209 
Beet, Spinach, cultivation, 14 
spring- sown, tried at Wisley, 
19 1 7, 488, civ, cviii 
summer-sown, tried at Wisley, 
1917-18, 495 
Beetroot cultivation, 13 
Berberis aggregata, 581 
brevipaniculata, 581 
candidula, 581 
Gagnepainii, 581 
in autumn, 340 
Knightii, 581 
levis, 209 
polyantha, F.C.C., cxix 
pruinosa, 581 
Sargentiana, 581 
stenophylla, 581 
diversifolia, 581 
erecta, 581 
Irwinii, 581 
latifolia, 581 
reflexa, 581 
subcaulialata, 581 
Thunbergii, 343 
verruculosa, 581 
virescens, 344 
Wilsonae, 345, 581 
Beta vulgaris, 248 
Betula alba, 285, 340, 343 
Bibio abbreviatus, 549 
hortulanus, 549 
johannis, 549 
marci, 549 
Billardiera longifolia, 92 
Birch, 284, 343 
durability of wood, 248 
