202 INDEX 
lium in wood, 92; mycclial 
growth inhibited by bacteria, 
111; paraphyses, 102* ; preven- 
lion, 122 ; primary and secondary 
rot, 116; pure cultures, 106; 
red-rot, 88; resin, 87; rot re- 
stricted by insoluble gum, 92; 
secretions induced by, 87-92; 
soil aeration, 119; soluble gum, 
88; spores carried by rabbits, 
113; spore ejection mechanism, 
104; sterigmata, 103;  treat- 
ment, 188; turpentine, 87; two 
methods of attack, 84; white 
patches in wood, 98; wounds 
necessary for infection of live 
roots, 114 
Fomes ulmarius, 80 
frost as a cause of wounds, 53 
fructifications of fungi, 5 
fungus, general account of, 3 
Fusoma parasiticum, 180 
Geotropism of Fomes annosus, 104 
gills, 146 
goutiness of larch trees, 85 
gum, formation of, 28, 88, 91 
Hail, cause of wounds, 53 
Harper, A. G., on abnormal wood, 
31 
Hartig, R., on abnormal wood, 31 ; 
Allescheria. laricis, 172;  bio- 
graphical note, 22; Fomes anno- 
sus, 86; growth of canker in 
summer and winter, 35; infec- 
tion by Fomes annosus, 113 ; in- 
fection theory criticized, 121; 
larch canker, 22; Polyporus 
mollis, 127; Polyporus sulphu- 
reus, 138; Portia vaporaria, 134 ; 
Sphaerella laricina, 168; Tra- 
metes Pini, 146, 147; trenches at 
Eberswalde, 122; work on tree 
pathology, 24 ~ 
Hartigiella laricis, 172 
Heart-rot, caused by Fomes anno- 
sus, 84-125; Polyphorus Schwei- 
nitzii, 126-34; P. sulphureus, 
136-40, 165* ; Poria vaporaria, 
134-6; Trametes Pini, 140-3; 
detection of, 82; frequency in 
first rotation, 116-22; fungi- 
causing, 82; general, 80; gouti- 
ness, 85 
Teterobasidion annosum, 86 
hetcroccious rusts, 173 
heterotrophic plants, 3 
Hill, A. W., on sieve tubes, 12 
honey fungus (see Armillaria meller) 
host, 5 
hymeniwm, of Armillaria, 149, 150*; 
Dasyscypha, 37, 38*; Fomes 
annosus, 101, 102*; Polyporus 
Schiveinitzii, 128*; Trametes Pint, 
141 
hyphae, 4 
Hypodermella laricis, 172 
Hypostomaceae, 171 
Increment borer, use of, 123, 135 
inner cortex of larch stem, 10 
insoluble gum, 91 
isolation trenches, 122, 165 
Japanese larch, canker on, 50, 69 
Kissling, E., on Bolrytis cinerea, 30 
Kuster, E., on abnormal wood, 31 
Larch, first-year shoot of, described, 
7; introduction of, 1; suitable 
trees for mixing with, 72, 185, 186 
larch canker, 17-80 
abnormal wood, 31; accumula- 
tion of calcium oxalate, resin, and 
tannin, 28; analysis of cankers 
on main stems, 54; artificial in- 
fections, 23,. 49; at base of 
branches, 55, 56 ; connexion with 
Dasyscypha not proved by Will- 
komm, 22; contributory causes 
of, 64-67; cork layers obstruct. 
growth of, 30; distribution of, 
19; earliest notices of, in Britain, 
19; fatal to young trees, 17; 
frequent in damp situations, 21 ; 
frost hollows, 66, 73; general, 
16; importance of wounds ex- 
aggerated, 62 ; increased growth 
of stem at back and sides, 36; 
infection through dormant buds, 
62 ; measurements of growth of, 
24; method of formation, 34; 
methods of prevention, 69 ; mini- 
mum temperature for growth of, 
26; mode of infection in nature, 
52; occurrence at definite levels, 
55; originating from dead 
branches, 58; passing cork layer 
at base of branch, 58, 59, 60* ; 
relation to Chermes abietis, 50; 
