INDEX 
(* Signifies reference to figures.) 
Abies balsumea, canker on, 26 
abnormal wood in larch canker, 31, 
32* 
abscission layer, 10 
acacia, false, improvement of soil, 
185 
accidiospore, 174 
accidium, 175 
acration of soil, 184-5 
Fomes annosus and, 119-121 
Al'escherta laricts, 172 
Alps, larch canker in, 65, 183 
amphitheatre, canker compured 
with, 20 
anchor roots, 184 
in relation to Fomes anwosus, 117 
Anderson, A. P., on Dasyscypha, 26, 
39 
annular rot caused by Fomes un- 
nosus, 99 
annulus, 145 
Antennaria pithyophila, 25 
aphis (see Chermes) 
apothecia, of D. calycina, 37, 38* ; 
of Hypodermella laricis, 172 
Armillaria mellea, 144-67, 189 
basidia, 149, 150* ; black line in 
wood, 155*, 157*; decomposition 
of wood, 154, 155*, 157* ; effects 
on host, 153-8; ejection of 
spores, 149, 150; fructification 
of, 145, 149; infection by spores, 
160; infection by rhizomorphs, 
161; means of prevention, 163, 
189; method of infection, 159; 
paraphyses, 149, 150*;  resin- 
flow, 158 ; rhizomorphs, 146, 150- 
3; species attacked by, 147; 
treatment, 163, 189-91" 
artificial infections, Armillaria mel- 
lea, 162; Dasyscyphu calycina, 
49; Fomes annosus, 111 
ascus, of Dasyscyphu, 
Iypodermella, 172; 
170 
Athol, frigate, 1 
Atholl, larch at, 1; Duke of, 1, 19 
Sphacrellu, 
38, 40*; 
Atkinson, A. F., on Polyporus sul- 
phureus, 137 
autoecious rusts, 173 
autotrophic plants, 3 
Bacteria inhibiting growth of fomes 
annosus, 111 
basidia, 102 
Armillaria mellea, 149, 150* ; 
Fomes annosus, 102*, 103; 
Polyphorus Schweinitzti, 128* 
basidiospores, 102*, 103 
Berkeley, M. J., biographical note, 
20; on larch canker, 20 
birch, intermediate host of Melam- 
psoridium betulinum, 176 
Blackman, V. H., on Botrytis ci- 
nerea, 30; on sexuality of rusts, 
42 
Boden, F., on relation of larch 
canker to altitude, 65 
Borthwick, A. W., on larch canker, 
25; rusts, 176 
branches, source of larch canker, 58 
folds at base of, 61 
Brefeld, O., biographical note, $6 ; 
on Fomes annosus, 86; on Armil- 
laria, 162 
Brooks, F. T., on Botrylis cinerea, 30 
Brown, W., on Boirytis cinerea, 30 
buckle connexions, 135, 136* 
buds, dormant, infection of canker 
through, 62 
Buller, A. H. R., on spore ejection, 
104, 150 
Calcium oxalate crystals, accumu- 
lation of in canker, 28, 29; in 
cultures of Dasyscypha, 29; in 
oe 11*, 12, 13* ; in cortex, 
canker (see larch canker) 
cambium, structure of, 14 
carbon assimilation, 3 
a ae J. B., on larch canker, 
