432 



PLANT SOCIOLOGY 



Salvinia, 370 



Sample plots, size of, 27, 39, 56 



{See also Quadrats) 

 Sand binders, 152, 319 

 Saprophytes, 7, 63 



hemi-, 7 

 Saramatic climate, 267 

 species, 114 

 steppe, 137 

 Sarcobatihs vermiculatus, 199 

 Sarcocaulon, 296 

 Sarothamnus, 112, 131, 183 

 Saturated huynus, 162 

 Saturation deficit, 133, 134, 137 

 daily range of, 136 

 in various habitats, 136 

 measurement of, 135 

 Saussurea alpina, 61, 70 



depressa, 63 

 Saxifraga, 234, 293 

 biflora, 242 

 cebennensis, 187, 373 

 exarata, 310 

 moschata, 63 

 oppositifolia, 120, 310 

 stellaris, 239, 310 

 tridactylitis, 64 

 Scabiosa songarica, 329 

 Scapose plants, 292 

 Scheuchzeria, 251 

 Schismus marginatus, 186 

 Schizogonion cruenti, 371 

 Schizotricetum, 371 



Schoenetum eleocharetosum paucifiorae, 

 332 

 nigricantis, 61, 183, 332 

 schoenetosum ferruginium, 332 

 Schoenopledus supinus, 364 

 Schoenus nigricans, 61 



-Plantago crassifolia assn., 183 

 Schools of plant ecology, 305 

 Schott, halophytic vegetation of, 202 

 Scilla autumnalis, 51 

 Ufolia, 91, 120 

 non scripta, 214 

 sibirica, 120 

 Sciophytes, 107 

 Scirpus littoralis, 206, 375 

 maritimus, 197, 206, 375 



Scirpeto-Phragmitetum, 37, 40, 206, 375 

 Sclcranthus annuus, 373 

 Sclerochloa, 374 

 Scleropoa rigida, 67 



loliacea-Statice echioides assn., 376 

 Scorzonera parviflora, 205 

 Scotiella antarctica, 289 

 cryophila, 289 

 nivalis, 289 

 Scrophularia nodosa, 69 

 Scytonema crassum, 188 

 Scytonemetum, 188 

 Sea water concentration, growth rate in, 



195 

 Seasonal aspects, 47 



succession, 12 

 SecaUnetalia, 373 

 Secalinion, 373 

 S^ches, 86, 87 



Secondary succession, 279, 325, 326 

 after fire, 280 

 in garigue, 326 

 Sector, definition of, 355 

 Sedimentation apparatus, 209 

 Sedum, 130, 210, 292 

 -Arabis verna assn., 376 

 atratum, 71 

 gypsicola, 186 

 spectabile, 102 

 telephium, 102 



-Tortella inclinata initial stage, 210 

 woodwardii, 102 

 Seed disperal and ants, 271 

 Selaginella, 289 



selaginoides, 71 

 Selective species, 59 

 Sempervivum, 130, 292 

 Senecio, 276 

 carniolicus, 343 

 jacobaea, 314 

 uniflorus, 343 

 Sequoia sempervirens, 133 

 Sere, 321 



(See also Succession) 

 Seres, euchamaephyte, 336 

 forest, 336 

 shrub, 336 

 therophyte, 335 

 turf, 335 



