252 THE STORY OF PLANT LIFE 
Senecio vulgaris, 138 
Sensitive plant, 86 
Seseli, 112 
Sexual system, 28 
Shade plants, 13 
Shamrock, 146 
Shelley, 51 
Shepherd’s Purse, 54, 58, 59 
Short shoots, 14 
Shropshire, 190 
Shrub, 13, 26, 27, 60, 75, 97, 152 
Sibbaldia, 96 
Siler, 112 
Simple fruits, 23 
Sisyrinchium, 203 
Skull Cap, 167 
Sloe, 96, 100, 101, 108 
Small-leaved Lime, 70, 71 
Small seeds, 23 
Snowball, 124 
Snowdrop, 38, 203 
Soapwort, 65, 66 
Soil, 2 
Soldanella, 159 
Sorrel, 169 
Sparmannia, 70 
Spearmint, 168 
Spear Thistle, 143, 144, 145 
Specularia, 149 
Spermatophytes, 32 
Spotted orchis, 77, 201 
Spring, 5, 6 
Spurrey, 65 
Stachys sylvatica, 171 
Starworts, 34 
Steironema, 159 
Stellaria Holostea, 67 
Stinking Mayweed, 139, 140, 141 
Stitchwort, 65, 67 
Stock, 53, 54 
Stone Parsley, 112 
Stork’s Bill, 27, 74, 76 
Stratford-on-Avon, violet culti- 
vated at, 62 
Strawberry, 8, 24, 96, 97, 98 
” Tree, 152, 153 
Streaming habit, 40 
Struggle for existence, 9, 23, 71 
Subalpine species, 4 
Sulphur Wort, 112 
Summer, 5, 6 
Sun plants, 13 
Surrey, 35, 68, 98, 101 
Swallow Wort, 43 
Swede, 54 
Sweet Chestnut, 186 
» Flag, 205 
» Pred,8s5 
» Violet, 62, 63, 64 
» William, 65 
Swertia, 164 
Switch plant, 87 
Sympetalz, 30 
Symphoricarpus Group, 123 
Syncarpous plants, 17 
Syringa, 155 
Tagetes, 132 
Tamarind, 85 
Tamus, 197, 210 
» communis, 211 
Tansy, 130, 132 
Tap-root, 10 
Taraxacum officinale, 146 
Tare, 85 
Teasel, 126, 127, 144 
» Group, 126, 128, 129 
» habit, 126 
Teesdale’s Cress, 54 
Temperature, 5 
Testudinaria, 5 
Thalamiflore, 29, 3°, 33, 34 
