INDEX 
663 
Shoe-flower, Hibiscus Rosa-si- 
nensis L. 
Shola, see Sola 
Shoot, 32, 42 ; adventitious, 44 ; 
of limited and unlimited growth, 
42, 6 r , Coniferae ; short-, 42, 63 
Shore plants on mountains, 187 
Shore -weed, Littorella 
Short-leaved pine, Pinus 
Short-shoots, 42, 63, Coniferae 
Showers of sulphur, Pinus 
Shrubby trefoil, Ptelea 
Shrubs, 154 
Siberian cedar, Pinus 
Sichel, 64 (fig.), 65 
Side-saddle flr., Sarracenia 
Sigmoid, S-shaped 
Silica, 165 
Silicula, Cruciferae 
Siliqua, 108, Cruciferae 
Silk-cotton tree, Ericdendron 
Silk weed, Asclepias 
Silkworms, plants useful to, 206 
Silver- fir, Abies , Picea ; -tree, 
Leucadendron ; -wattle, Acacia ; 
-weed, Potentilla 
Simple fruit, 107 ; leaf, 51 
Sinistrorse, turned to left 
Sinuate leaf, 53 
Sinus, bay, re-entrant angle, 82 
Siphonogamy, fertilisation by pol- 
len-tube 
Sisal hemp, Agave 
Sissoo, Dalbergia 
Sitka cypress, Chamaecyparis 
Sketching, 15 
Skirret, Sium 
Skull-cap, Scutellaria 
Skunk-cabbage, Symplocarpus 
Sleep-movements, 49 
Slide zone, Nepenthes , Sarracenia 
Slime formation, 16 1 
Sloe, Prunus 
Smell of firs., 102 
Smith, 179 
Snail flowers, 99, Alocasia, Aris- 
aema , Aspidistra , Rohdea 
Snake gourd, Trichosanthes an- 
guina L. 
Snake-root, Cimifuga ; Senega-, 
Polygala 
Snake’s head, Fritillaria 
Snapdragon, Antirrhinum 
Sneezewort, Achillea 
Snow and plant distribution, 143 
Snowball-tree, Guelder rose 
Snowberry ,Sympho?'icarpos ; -drop, 
Galanthus ; -tree, Chionanthus , 
Halesia ; -flake, Leucojum 
Snow-leaves, 144 
Soap, 203, Chlorogalum , Liliaceae , 
Li?nonia , Sapindus ; -tree, Quil- 
laja ; -wort, Saponaria 
Sobole, shoot from ground 
Social habit of trees, 185 
Soft-grass, Holcus 
Soil, effects of, 145 
Soja-beans, Glycine 
Sola, wood of Aeschynomene 
Solitary flower, 66 ; ovule, 82 
Solomon’s seal, Polygonatum 
Sorauer, 197 
Sorosis, fleshy multiple fruit 
Sorrel, Rumex 
Sorus, 54, Cycadaceae , Filicineae 
Leptosporangiatae, Pteridophyta 
Souari-nut, Caryocar 
Sour-sop, Anona 
Southern cold zone, 192 
Southernwood, Artemisia 
Sow-bread, Cycla?nen 
Sow-thistle, So 7 ichjis 
Soybean, Glycine 
Sp., species 
Spadiceus(Lat-), chestnut-coloured 
Spadix, 62 
Spanish-broom, Spartium 
Spanish liquorice, Glycyrrhiza 
Spanish needle, Bidens 
Sparrow-grass, Asparagus 
Sparsus (Lat.), scattered 
Spathe, 62 
Spatulate, 52 
Spec., specific 
Species, 118 
Specific areas, 147 ; name, 21 1 
Speciosus (Lat.), handsome 
Spectabilis (Lat.), remarkable 
Speedwell, Veronica 
Spelt, Triticum 
Sperm- (Gr. pref.), seed- or# 
Spermaphyta, 124 
