Index 



Kats, 103, 129 



Red spider, 31, 115 



Rhododendron Jerrugineum, 70 



Rhododendrons, 27, 95 



Rhytisma, 65 



Roots, general functions of, 6 ; 

 destruction of. 111 ; tun- 

 nelling in, in 



Roses, 95, 96 ; mildew, 44-47 ; 

 rust, 62; galls, 115 



Rotation of crops, 62 



Rumex Acetosella, 28 



Rusts, 53-55 



Salsify, 97 



Sawflies, 108, 112, 119, 122, 127 



Saxifrage, 62, 97 



Scab in apples, 68, 69 



Scalding, 31 



Scale insects, 108, 114 



Scillas, 50, 97 



Sclerotinia frucUgena, 69 



" Solerotium disease," 49, 66, 78 



Scolytus, 129 



Seakale, 97 



Seed protection, 105 



Sempervivum, 98 



Senecio pulcher, 98 



Septoria antirrhini, 66 ; S. 

 Dianthi, 74 ; 8. Petrose- 

 lini, 74, 87 ; S. chrysan- 

 themi, 76 ; S. Populi, 93 



Shaking, 126 



Shanking, 37 



Sheep sorrel, 28 



Shepherd's Purse, 20 



Shot-hole fungi, 110 



Silver leaf. 50, 53, 89, 92 



Slow-worms, 141 



Slugs, 110, 112, 116, 117, 124, 

 127 



Snails, 110, 117, 124 



Snowdrop, 98 



Soap, soft, 123, 133, 134 



Soda, caustic, 118 



Soda-Bordeaux mixture, 61 ■ 



Soft-soap -sulphur dip, 134 



Soil, chemical constituents of, 

 7 ; acidity, 24, 26, 28 



Sour soils, 24, 25, 28 



Spergula arvensis, 28 



Sphaerella Fragariae, 99 



Sphaeropsis malorum, 67 



Sphaerotheca Mors-uvae, 80 ; 

 S. pannosa, 83, 96 ; S. 

 HumuU, 99 



Spiders, 141 



Spinach, 98 



Splitting, 38 



Spongospora subterranea, 93 



Spore distribution, 43-55 



"Spotting," 31, 34 



Spraying, 68-62, 121, 143 



Spurrey, 28 



Stem structure, 9 



Stereum purpureum, 50, 92 



Stock, 98 



Strawberries, 98, 128 



Sucking insects, 113 



Sulphur-dusting, 59 ; fumiga- 

 tion, 59 



Sweet Pea, 99 



Sycamore, black blotches on 

 leaf-tissue, 65 



Synchytriwm endobioticum, 94 



Taphrina aurea, 93 



Tar, Stockholm or gas, 57 



Temperature, best, 6 



Thielavia hasicola, 88 



Thrips, 108, 115 



Toads, 141 



Tomato, 99; moth, 112 



Toothwort, 42 



Trapping, 127-129 



Trees, effect of grass on, 21 ; 

 best grass to grow under, 

 25 ; fungus on Scots firs, 

 54 ; large boring cater- 

 pillars in, 129 ; lime-wash 

 for, 135 



Tulips, fire in, 49, 100 



Turnip, 100; flea beetle, 116,117 

 Tussilago Farjara, 28 



Uromyces Fabae, 70 ; U. Betae, 

 11 ; U. caryophylUnus, 73 ; 

 V. Scillarum, 97 



Vstilago violacea, 74, 84 ; U, 

 Vaillantii, 75, 97 



153 



