328 



INDEX 



Rhizoctoniae, 43, 48, 78 

 Rhizoids, 26 

 Rhizomorphs, 43, 48 

 Rhododendron, Chrysomyxa on, 177 

 Rhododendrons and spruce-leaf blister, 



9 



Rhytisma acerinum, 70, 105 

 punctatum, 106 

 salicinum, 107 

 Ribes, Caeoma on, 171 

 Robinia, Polyporus sulphureus on, 200 



seedlings, Disease of, 58 

 Rcesleria hypogaea, 83 

 Raestelia cancellata, 158 

 cornuta,'i58 

 lacerata, 158 



Root-fungus of conifers, 123 

 rot of vine, 82 

 suckers, 241 



Roots, adventitious, 240, 264, 279 

 Effects of heaping earth on, 278 

 Injuries to, 264 

 Natural engrafting of, 262 

 Rose, Mildew of, 70 



Rust of, 1 56 

 Rosellina quercina, 78 



an example of mycelial infection, 



48 



Effect of iodine on, 42 

 in relation to water, 12 

 Mode of attack of, 50 

 Sclerotia of, 43 



Rosette shoots on the pine, 240 

 Rot, Dry, 214 



Green, 42, 224 



Red, i, 186,244 



Root, 276 



White, 195 



Wound, 236, 244, 247, 257, 262, 



295 



Rubus caesius, Phragmidium incrassa- 

 tum on, 1 56 



fruticosus, Phragmidium incrassa- 



tum on, 1 56 

 Idaeus, Phragmidium incrassatum 



on, 156 



Rust, Spruce-leaf blister, 175 

 of Asparagus, 1 56 

 Crucifers, White, 66 

 Larch, 169 

 Pine, 172 

 Poplar, 164 

 Rhododendron, 177 

 Rose, 156 

 Spruce, 175 

 Wheat, 48, 155 

 Colour of, 40 



Rust, Protection against drought of, 45 



Fungi, 153 

 Rye, Puccinia striaeformis on, 1 56 



Brand, 68 

 Sac Fungi, 69 



Saffron, Rhizoctonia violacea on, 82 

 Salix, see also Willow 



aurita, Rhytisma salicinum on, 107 



Caprea, 107 



nigricans, 107 



purpurea, 107 



Saprolegiaceae, 57 

 Saprophyte, the term defined, 46 

 Saprophytes, Facultative, 47 

 Schinzia Alni, 39 

 Schizomycetes, 37 

 Sclerotia, 43, 48 

 Sclerotinia, 129, 130 



baccarum, 130 



Libertiana, 130 



megalospora, 130 



Oxycocci, 130 



Vaccinii, 130 

 Scorching of bark by fire, 300 



sun, 300 



Scrophulariaceae as partial parasites, 24 

 Sea-water, Effect of, on trees, 20, 280 

 Seed from stunted pines, 16 



Germination of, 44 



Importance of care in selecting, 



13,22 



Seeding, Effects of thick, 299 

 Seedling beech disease, Early mention 

 of, 58 



conifers, Effects of drought on, 112 



Parasitic disease of, 147 



pines, Caeoma on, 166 

 Sempervivum seedlings, Disease of, 



58 



Senecio, Coleosporium on, 172 

 Septogloeum Hartigianum, 141 

 Septoria parasitica, 143 

 Sexual generation, 44 



processes in fungi, 44 

 Shake Bark, Ring, or Heart, 191 

 Shedding of pine-leaves, 1 1 1 

 Shoots, Stool, 261, 262 

 Shortening of branches, 259 

 Shrinkage of wood due to frost, 284 

 Sickliness and disease distinguished, 5 

 Sinkers of Mistletoe, 26 

 Sirex, 248 

 Slime Fungi, 39 

 Slips, 264 



may prolong life, 7 

 Sloe, see Prunus spinosa 

 Smoke, Damage due to, 300 



