204 



INDEX 



Rabbits carrying spores of Fomes 

 annosus, 113 



red-rot, caused by Fomes annosus, 

 88 ; Poly par us Schweinitzii, 138 



resin, 13, 28, 87, 148 



resin cysts, 8, 11, 13 



resin ducts, 8, 9, 14 ; abnormal, 31 



resupinate fructifications, Fomes an- 

 nosus, 100 ; Poria raporaria, 134 



rhizomorphs, 146, 150-3 



Ribbentrop, B., on heart-rot, 122 



rusts, 172 



Saprophyte, 3, 4 



Schrenk, H. von, on Polyporus 

 Schweinitzii, 127, 129 ; on P. sul- 

 phweus, 138 ; on Trametes Pint, 

 141 



Sclerenchymatous elements, 11*, 13 



Scots pine, Armittaria on, 147 ; 

 Dasyscypha, 50 ; Fomes annosus, 

 86 ; Polyporus Schweinitzii, 126 ; 

 Trametes Pini, 140 



Secondary causes of larch canker, 64 



secondary rot of Fomes annosus, 116 



seedling diseases, Fusoma, 180 ; 

 Melampsora, 177 ; Melampso- 

 ridium, 175 ; Meria, 171 ; Phyto- 

 phthora, 179 



Siberian larch, canker on, 50 



sieve areas, 12 



sieve tubes, 11*, 12 



Smith, R. E., on Botrytis cinereu, 30 



Smith, W. G., on Melampsora, 179 



soil, cultures of Fomes annosus on, 

 108 ; -in relation to larch canker, 

 66 ; infection of Fomes annosus 

 through, 115; requirements of 

 larch, 184 ; sections, observa- 

 tions on, 118 



soluble gum in stems attacked by 

 Fomes annosus, 88 



Somerville, W., on larch canker, 25 ; 

 on Fomes annosus, 84 



spermatia, of Dasyscypha, 40*, 42 ; 

 of rusts, 175 



spermogonia, of Dasyscypha, 37, 39, 

 40* ; in pure cultures, 48 ; of 

 rusts, 174 



Sphaerella, laricina, 168-71 



asci, 170 ; conidia, 169 ; peri- 

 thecia, 170 



spore, 5 



sporidia, 174 



spruce, Armillaria mellea, 147; 



Dasyscypha on needles of, 49; 



Fomes annosus, 92 ; needle cast 



encouraged by, 170; Polyporus 



Schweinitzii, 126 

 sterigma, 103 

 stipe, 145 

 swarm -spores, 179 



Tannin, 12, 14 ; in larch canker, 28 

 tap-root in relation to Fomes 



annosus, 117 

 teleutosorus, 173 

 teleutospore, 173 

 temperature, influence on growth of 



mycelium of Dasyscypha, 47 

 tracheide, 14 

 Trametes Pini, 83, 140-3 



cystidia, 141 ; fructification, 141 ; 



paraphyses, 141 ; rot in wood, 141 

 Trametes radiciperda. 86 

 turpentine, secretion induced by 



Fomes annosus, 87 

 Tubeuf on Hypodermella laricis, 172 

 Tyrol, larch canker in, 64 



Underplanting larch, 70, 171 

 uredosorus, 173 

 uredospore, 173 



Vacuoles, 4 



Vochting, H., on abnormal wood, 31 



Vuillemin, P., on Meria laricis, 171 



Wagner, G., on Armillaria, 161 

 warted hyphae of Dasyscypha, 37 

 Welsford, E. S., on Botrytis cinerea. 



30 

 Weymouth pine, Armillaria mellea, 



148 ; Fomes annosus, 86 ; Poly- 



porus.Schu'einitzii, 126 

 Willkomm, M.W., biographical note, 



21 ; on Dasysciipha calycina, 21, 



46 



willow, 178, 179 

 wood, structure of, 14 

 wounds, causes of, 50, 53, 54 ; in- 

 fection of Dasyscypha by, 62 ; of 



Fomes annosus by, 114 



Xylem, structure of, 14 



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