142 
PAGE 
x 
Schizoneura laniger@ — ..ecccecccccceeceeee 22 
Sedge and gooseberry rust » 93 
Seed coat occ 42 
Seeds, germination of . 42 
maturing of . 40 
Seed potatoes ........... 78, 80 
bepee deen “a 
Seeds, vitality of ....... 41 
Seedlings ‘ oping off” 61 
Seedlings 44 
Selection, natural 44 
Self-fertile flowers 38 
pollination ....... 37 
sterile flowers 38 
Septoria lycopersici ....... 84 
Seven-spot Ladybird _.... 131 
Silkworms, Pebrine in _............... 35 
1 
Siphonophora (Rose Aphides) 122, 123 
Skylark 98 
Sleepy disease of. tomatoes 
Slightly diseased tubers, effect of 
DANCIN ise suse tes ctaadednedeneenletnntend 
SlUgS: _ siete eercrsesmnravqrencun 101, 130 
natural enemies of ............ 103 
Slug, carnivorous _................ ... 130 
Smoky atmosphere, effect of 54 
Sais. ereuctnsanssurecimtesonvucctadsun 101 
natural enemies of 103 
Sparrow, hedge ..............4. . 129 
house .......... 98 
Sphaerothect pannosa . 87 
Spongospora Solani —wicccceeeeeesseeeeee 72 
Spores of Cladosporium fulvum ... 84 
Plasmodiophora _......... 67 
Sporidia from teleutospores 92 
Sports: sesamiae 45 
Spraying of potatoes ................ 79 
with lead arsenate... 108 
109, 110, 111 
with nicotine 
with soft soap 
Spring spraying 
Soft soap spraying ..... 
with quassia 
Soil, acidity o 
bacteria of ..... 
Soils, chemistry of 
Soil disinfectants 
Soil, partial sterilisation of its bad 
physical condition of _........ "10 
spores cf fungi 63,64, 68, 82 
Soot for Cabbage Root Fly ......... a4 
and Lime for Slugs . ue 
for Onion Fly 
Starling 98, 99, 103, iit 
Steam, for sterilising soil 14 
Stem HEelworm 
function of . 
Sterilisation of soil 
Stocks, insect enemies of 
Stomat: 
Bierce of potatoes 76 
Strawberries, Eelworms oct a 100 
Insect enemy of .., 131 
1 
Strawberry snail ..........0... 01 
SODSOLL,  eenwcsiespnneticecenaeonueawisitncans 15 
Sulphate of Potash for Eelworms eH 
Swallow wsnwdsenpoaasnneuavasncmninanteansvs 
Swedes, ‘‘ Fingers-and-Toes”’ in % 
Swedes, insect enemies of 
Sweet Pea ............0. 39 
Sweet Peas ciossed . 47 
Swilt:  — srasascsomcnnagaviernes . 129 
Swift’s arsenate paste . 108 
Swimming spores ............. 63 
Symptoms of wilt in Asters 81 
Synchytrium endobioticum 
Syrphidae 
Teleutospores of Puccinia 
malvacearum 95 
Hi i 91 
a 
of wheat rust 
Tendril 
Testacella 
Theobald quoted 
Thrips 
Thrush, Mirtle 
song... 
Thysanoptera © .... 
Tipula oleracea 
Tits 
Toluene, for sterilising soil 
Tomato, leaf rust 
pollination of 
Tomatoes attacked by Eelworms... 100 
by White Fly... 127 
Transpiration 
Transplanting 
Traps for Earwigs 
for Leather Jackets 
for Wireworms 
“Tree Tanglefoot ” 
WRENCHING: sc cscsdivsniesacaindtonsanaieonciiuns 15 
Trombidide . 103 
Tsetse flies . 13 
Tubers _....... 4, 26 
EDD: scpracsisarsne nastics eeesedniewtaataatny seaieaity 28 
9) 
Turnip A his 
‘ingers-and-Toes ” 
structure of healthy root 66 
Turnips, insect enemies of ... 116, 122 
Turf Traps for “Leather Jackets 314 
Twiners 18 
Tylenchus devastatrix ...........00cc00 99 
Uredospores of wheat rust ..... 90, 91 
Variation in plants ... ........... . 44 
