INDEX 



511 



Solanum, 128 



„ nigrum, 131 (133) 



Sorrel, 207 



Southern plants, 93 



Sparganium, 347 



simplex, 348 (350) 



Spartina townsendi, 398 (399) 



Spathe, 27 



Special contrivances for race per- 

 petuation, 14 



Species, 47, 66 



Speedwell, 124, 139 



Spermatophytes, 18, 52 



Sperm-cell, 15, 18 



Sperm-nucleus, 15 



Sphagnum-vioor, 86 



Sphenophylls, 90 



Spike Rushes, 388 



Spinach, 196 



Spines, 30 



Spiranthes Romanzoffiana, 344 



Spores, 49, 58 



Sporophyte, 18, 19 



Spotted Orchid, 287 

 „ Persicaria, 209 



Spring Snowflake, 313 

 ,, traps, 28 



Spurge Group, 233, 246 

 „ Laurel, 217, 218, 219 

 „ „ Group, 215, 220, 



229 



Spurges, 233 



Stachydeae, 177 



Stachys, 177 



Stagnant water, plant formations 

 of, 83 



Stalk, 27 



Stamens, 19, 27, 34, 43, 44, 45 



Star fruit, 369 



Stems, 25, 23y 3^ 



Stigma, 19, 20, 21, 44, 45, 46 



Stinging hairs, 39 

 Stipa tenacissima, 398 

 Stipules, 40 

 Stock, 18 

 Stolons, 16 

 Stomata, 29, 34 

 Stonecrops, 22, 24 

 Stopes, Dr. Marie, 270 

 Strapwort Group, 191 



191 



Stratiotes aloides, 285 (287) 



Structure of plants, 30 



Style, 20, 21, 45, 46 



SucBda fruticosa, 202 (204) 



Sub-classes, 51 



Sub-maritime fen pasture associa- 

 tion, 86 



Sub-species, 49 



Sub-tropical zone, 65 



Succulents, 24 



Suckers, 16, 25 



Sun plants, 12, 161 

 „ spurge, 24 



Survival, 57 



Suspensor, 21 



Swamp carr, 85 



Sweet Flag, 354, 361, 362 

 „ Gale, 250, 251, 291 

 „ „ Group, 250 



„ Potato, 123 



Sycamore, 3, 26 



Synergidae, 19, 20 



Syringa, 96 



Systematic botany, 47 



„ work (appendix), 462 



Tamarisk, 251 

 Tamus, 270 

 Tansley, Prof., 55 

 Tapioca, 236 

 Tap roots, 25 



