INDEX 
removal of dead branches, 71 ; 
secondary causes, 183-8; step- 
like configuration of, 35; sum- 
mary of chapters on, 73; trees 
may recover from, 18; vigorous 
trees less liable to, 68; (see also 
Dasyscypha calycina) 
Larix leptolepis, canker on, 50 
Lariz sibirica, canker on, 50 
Laslett, T., 1 
leaf cushions, 8 
leaf diseases, 168 
leaf scars, weak points, 10 
Leptostroma laricinum, 169 
long shoots of larch, 6 
Lophodermium laricinum, 169 
Loudon, J. C., early notice of larch 
canker, 19 
Mackintosh, C., on larch diseases, 
25 : 
Massee, G., on larch canker, 25, 50 
medulla, 8, 15 
medullary ray, 15 
in phloem, 11*, 13* 
Melampsora Larici-Capiaearum, 178 
M. Larici-epitea, 178 
M. Larici-populina, 178 
M. Larici-tremulae, 178 
M., tremulae, 177 
Melampsoridium betulinum, 175 
Mer, E., on Meria laricis, 171, 172 
Meria laricis, 171, 172 
* Micrococcusschwiirmer ’” 
komm, 46 
mixed woods less liable to canker, 
67 
Minch, E., on larch canker, 26 
mushroom, instance of saprophyte, 
of Will- 
mycelium, 4 
Nectria ditissima, 33 
needle cast, due to Sphaerella lari- 
cina, 168 ; Meria laricis, 171 
Newfoundland, larch canker re- 
ported from, 19 
Nieman, ship built of Scots pine, 1 
Nisbet, J., criticism of Novar sys- 
tem, 70 
Novar system of treating canker, 70 
nuclei, 4 ‘ 
nursery diseases (see Seedling) 
Obligate parasites, 4 
oospore of Phytophthora omnivora, 
180 
203 
Pan in soils, 187 
paraphyses, of Armillaria, 149, 
150* ; of Dasyscypha, 39, 40* ; 
of Fomes annosus, 102* ; of Poly- 
porus Schweinitzii, 126*; of Tra- 
metes Pini, 141 
parasites, 3, + 
parenchyma, 9 
pathogenetist, 182 
Penicillium sp. growing on Dasy- 
scypha, 41, 46 
pericycle of larch stem, 11. 
periderm of larch stem, 9, 10* 
Peridermium laricis, 175 
peridium, 175 
perithecium of Sphaerella laricina, 
170 
Peziza calycina (see Dasyscypha 
calycina) 
P. Willkommii, 23 
phelloderm, 9 
phellogen, 9, 10 
Cia of larch stem, 8, 11*, 12, 
13 
Phytophthora omnivora, 179 
pileus, 145 
Polyporus destructor, heart-rot at- 
tributed to, 2 
P. Schweinitzit, 82, 126-34, 189; 
basidia, 128* ; fructification, 127, 
137; general remarks on, 132; 
hymenium, 128*; in America, 
126; paraphyses, 128*; rot in 
wood, 129, 131*, 132*, 
P. sulphureus, 83, 136-40, 189 
conidia, 139; prevention of, 139 ; 
species affected by, 136, 137; 
rot in wood, 138 
P. vaporarius, 134 
poplar, 177, 178 
Poria vaporaria, 83, 134-6 
buckle connexions, 135, 
causing dry rot, 136 
predispositionist, 182 
primary and secondary causes of 
canker, 64 
primary rot of Fomes annosus, 
116 
promycelium of rusts, 174 
protoplasm, 4 
pure cultures, Armillaria, 162; 
Dasyscypha, 46, 49 ; Fomes anno- 
sus, 106; suitable medium for, 
47 
pycnidia, of Dasyscypha, 37, 40*, 
42; of rusts, 174} 
136* ; 
