INDEX 



203 



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 

 Dasyscypht calycina) 

 Larix leptolepis, canker on, 50 

 Larix sibirica, canker on, 50 

 Laslett, T., 1 

 leaf cushions, 8 

 leaf diseases, 168 

 leaf scars, weak jjoints, 10 

 Leptostroma lariciniun, 169 

 long shoots of larch, 6 

 Lophodenniiini laricinum, 169 

 Loudon, J. C, early notice of larch 

 canker, 19 



Mackintosh, C, on larch diseases, 



2o 

 Massee, G., on larch canker, 25, 50 

 medulla, 8, 15 

 medullary ray, 1 5 



in phloem, 11*, 13* 

 Melampsora Larici-Capraeanun, 178 

 M. Lfirici-epitea, 178 

 31. Larici-populiua, 178 

 M. Larici-treinulae, 178 

 jyi. tremulae, 177 

 2Iel/impsoridium befulinuoi, 175 

 Mer, E., on Meiia laricis, 171, 172 

 Meria laricis, 171, 172 

 ' ]\Iicrococcusschwarmer ' of WUl- 



komm, -46 

 mixed woods less liable to canker, 



67 

 Miinch, E., on larch canker, 26 

 mushroom, instance of saprophji:e, 



4 

 mycelium, t^ 



Neclria ditissima, 33 



needle cast, due to Sphnerdla lari- 

 cina, 168; Meria laricis, 171 



Newfoundland, larch canker re- 

 ixjrted from, 19 



Nieman, ship built of .Scots pine, 1 



Xisbet, J., criticism of Xovar sys- 

 tem, 70 



Novar system of treating canker, 70 



nuclei, 4 



nursery diseases (see Seedling) 



Obligate parasites, 4 

 oospore of Phytophthora omnivora, 

 180 



Pan in soils, 187 



paraphyses, of Armillaria, 149, 

 15U* ; of Dasyscypha, 39, 40* ; 

 of Fomes annosus, 102* ; of Poly- 

 porus Schweinitzii, 126* ; of Tra- 

 tnete-s Pini, 141 



jiarasites, 3, 4 



parenchyma, 9 



pathogenetist, 182 



Penicilliion sp. growing on Dasy- 

 scypha, 41, 46 



pericycle of larch stem, 11 



periderm of larch stem, 9, 10* 



Peridermium laricis, 175 



peridium, 175 



j)erithecium of Sphaerella laricina, 

 170 



Peziza calycina (see Dasyscypha 

 calycina) 



P. IVillkommii, 23 



phelloderm, 9 



phellogen, 9, 10 



phloem of larch stem, 8,' 11*, 12, 

 13* 



Phytophthora omnivora, 179 



pileus, 145 



Polyporus destructor, heart-rot at- 

 tributed to, 2 



P. Schweinitzii, 82, 126-34, 189 ; 

 basidia, 128* ; fructification, 127, 

 137 ; general remarks on, 132 ; 

 hjonenium, 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 



Ijoplar, 177, 178 



Poria vaporaria, 83, 134-6 



buckle connexions, 135, 136* ; 

 causing dry rot, 136 



predispositionist, 182 



primary and secondary causes uf 

 canker, 64 



primary rot of Fomes annosus, 

 116 



])romycelium of rusts, 174 



l>rotoj)lasm, 4 



pure cultures, Armillaria, 162 ; 

 Dasyscypha, 46, 49 ; Fomes anno- 

 sus, 106 ; suitable medium for, 

 47 



pycnidia, of Dasijscypha, 37, 40*, 

 42 ; of rusts, 1 74] 



