INDEX 



353 



Shade plants of forests, 31, 32, 33, 



246-267 

 Shamrock, the, 263 

 Shoots specialised to parasites, 288- 



291 

 Shortness of the flowering season, 6, 



80, 114, 148, 170 

 Sibbaldia procumbens, Linn,, see the 



Sibbaldia 

 Sibbaldia, the, 197 

 Sieversia, see the Avens 

 Silene, see the Campion 

 Silene acaulis, Linn., see the Common 



Moss Campion 

 Silene cucubalus, WibeL, see the 



Campion 

 Silene exscapa. All., see the Sessile- 

 flowered Moss Campion 

 Silene inflata, Sm., see the Campion 

 Silene rupestris, Linn., see the Rock 



Catchfly 

 Silene, the Rock, see the Rock 



Catchfly 

 Silene vallesia, Linn. ,295 

 Sils (Engadine), 21-22 

 Silvaplana (Engadine), 211, 243 

 Simplon, the, 90 

 Slugs as flower pollinators, 279 

 "Slums, plant," p. 82 

 Smilacina bifolia, Schult., see the 



May Lily 

 Smuts, the, 288 



Snails as flower pollinators, 279 

 Snap-Dragons, the, 115 

 Snow, Crocus flowering in, 62, 154- 



155 

 Soldanella flowering in, 62-64 

 Snow-Finch, the, 221 

 Snow-line, the, 170, 236 

 Soil, temperature of, 36, 171 

 Soils, 34, 38, 47, 72, 77, 117-119, 151- 



152, 296 

 Soils, primitive, 95-07, 170 

 Soldanella alpina, Linn., see the 



Alpine Soldanella 

 Soldanella pusilla, Baumg., see the 



Small Soldanella 

 SoldaneUa, the Alpine, 62-66 

 cross-pollination of, 64-66 

 flowering in the snow, 62-64 

 Soldanella, the SmaU, 62-66 

 flowering in the snow, 62-64 



Soldanellas, the, 33, 61-66, 155, 280 

 Solomon's Seal, the, 247, 255 

 Sphinx, see Hawkmoths 

 Sprengel, C. K., 2, 269 

 Spring flowers, early, 28, 81 

 Spruce Fir, see the Spruce 

 Spruce, the, 6, 97, 218, 234, 235, 



236, 237, 239, 240-241, 242, 244, 



246, 247, 248, 289, 291 

 Spruce, the Norway, see the Spruce 

 Spurge family, the, 124 

 Spurges, the, 124, 289, 290 

 SUr-of-Bethlehera, the, 119 

 State legislation in regard to forests, 



238 

 Steppe region, the, 180 

 St Gotthard region, the, 78 

 Stinging nettles, 119 

 St Moritz, 30 

 Stonecrop family, the, 98 

 Stonecrops, the, 103 

 Stone Pine, the, 234, 242-248 

 Strawberry, the, 100, 127, 128 

 Strawberry, the Wild, 285 

 Streptopus amplexifolius, D. C, see 



the Knot-foot 

 Stylar brush mechanism, 86-87, 92, 



126 

 Subalpine zone defined, 4 

 Succulent fruits, 220-221, 285 

 Sundews, the, 214 

 Sunflower, the, 18, 19 

 Surenen Pass, the, 120 

 Sweet-William, the, 113 

 Symptoms of disease, 287-291 



Taraxacum officinale, Weber, see the 



Dandelion 

 Tasmania, 20 

 Temperature, lowering of, during 



the Ice Age, 301-304 

 Temperature, variations in, 146, 



171, 173 

 Tertiary period, the, 302 

 Tessin (Ticino) Canton, 90, 165, 182, 



295, 296, 299 

 Thalictmm aquiUgifoliwrn, Linn, , 272 

 Thalictrum, see the Meadow Rues 

 Th6odule Pass, the, 173 



