284 
BRITISH GALLS 
Senecio Sarrasenicus, 246 
,, sylvaticus, 117 
,, viscosus, 117 
,, vulgaris, 245 
Service Tree, 204 
Sesia formicaeformis, 57 
“ Sexuparae” (definition of), 82 
Sharp, Dr. David, 18, 26, 47, 59, 
89 
Sheep’s Bit, 101, 240 
,, Fescue Grass, 24 
Shepherd’s Purse, 75, 109, 193 
Sherardia arvensis, 237 
Shoreham, 56 
Sich, Alfred, 6 
Silene acaulis, 183 
„ inflata, 183 
,, latifolia, 183 
Silk-button gall, 37 
Silver Firs, “witches’ brooms” on, 
118 
Siphocoryne xylostei, 238 
Siphonophora alliarae, 248 
,, pisi, 198 
,, rubi, 199 
,, solidaginis, 241 
Sisymbrium officinale, 190 
,, Sophia, 190 
Sloe, 122 
Smicronyx caecus, 51 
,, jungermanniae, 51 
Smith, Worthington G., 113, 118 
Sneezewort, 243, 244 
Solid galls, 9 
Solidago Virgaureae, 241 
Sonchus arvensis, 251 
,, oleraceus, 250 
Sorosphaera veronicae, 121, 122 
Sorrel Dock, 48 
,, Mountain, 181 
,, Sheep’s, 182 
Sow Thistle, 72 
,, ,, Corn, 251 
,, ,, Sharp-fringed, 250 
Spangle galls, 37 
Spathegaster albipes, 165 
,, Aprilinus, 169 
,, baccarum, 166 
,, similis, 167, 168 
,, Taschenbergi, 168 
,, tricolor, 166 
,, verrucosus, 167 
,, vesicatrix, 167 
Speedwell, Germander, 64, 231, 232 
,, Marsh, 49, 232 
,, Thyme-leaved, 231 
,, Water, 232 
Spergula arvensis, 184 
Spiraea Filipendula, 63, 64, 199 
„ Ulmariae, 63, 64, 198, 129 
Spittal, Miss M. K., 71 
Spruce, Common, 80-84, 133, 134 
,, galls, 11, 79 
,, Oriental, 84, 134 
Spurge, Leafy-branched, 214 
Spurrey, Corn, 184 
Stachys sylvatica, 229 
Starwort, Sea, 241 
Stellaria graminea, 184 
,, Holostea, 184 
Stenolechia gemmella, 54, 173 
Stictodiplosis corylina, 159 
,, jacobaea, 246 
,, scrophulariae, 231 
Stitchwort, Greater, 184 
,, Lesser, 184 
St. John’s Wort, Common, 218 
,, ,, Trailing, 218 
,, ,, Small, 218, 219 
St. Leonard’s, 13 
Stock, Hoary, 187 
Stocks, 75, 103 
Straton, Dr. Charles, 24, 43 
Strawberries attacked by eelworms, 
107 
Strawberry, Wild, 201 
’ Swartz, E. J., quoted, 121 
Swedes, 49, 192 
Sweet Briar, 29 
,, Gale, 141 
Sycamore, 94, 97, 215 
Synchytrium taraxaci, 116, 250 
Table of British cynipidous gall- 
causers on oak, 32, 33 
,, of genera of British gall- 
causers, 16, 17 
Tanacetum vulgare, 244, 245 
Tansy, 244, 245 
Taphrina aurea, 152, 154, 155 
,, bullata, 207 
,, johansonii, 154 
,, Sadebeckii, 158 
,, ulmi, 177, 178 
Taraxacum officinale, 250 
Tare, Hairy, 213 
