INDEX 



^533 



Svenson, H. K., xvii 

 Sverdrup, H. U., 312, 540 

 Swale, 445 

 Swallow, 114 



holes, 546 



Swamp-forest, 353, 461-3 

 Swamps, tropical 460-3 

 Sward-forming Lichens, 344, 347, 348, 



401 

 — , grassy (turf), 360, 362, 363-4. 383, 

 Swedes, 231, 258 [399, 401, 403 



Sweet Chestnut, see Castanea 



— Chesnut Blight, 251, 341, 576 

 forest, S. European, 342-3 



— Corn, 282 



flag, see Acorns calamus 



— Pepper, 261 



— Potato, see Ipomoea batatas 

 Sweets, 266 



Swietenia (Mahogany), 247, 268 

 S. macrophylla (Mahogany), 247 

 5. mahagoni (Mahogany), 247 



Switch-plants, 442, 450, 452 



Switzerland, 152 



Symbiosis, 46, 305, 524 



Symbiotic Algae, 495, 524 



Sympatric populations, 177 



Symplocarpus foetidiis (Skunk-cabbage), 

 190, 192 



Synechococciis elongatus, 499 



Synthesis, 263 



Synusia {pi. synusiae), 431, 434, 435, 



437 

 Systematic vicariad, 204 

 Systematy, 4 



Taiga, 343, 346, 347, 348, 380, 383 



— , dominants of, 348 



Tall Cotton-grass, see Eriophorum 



angustifolitim agg. 

 Talus {see also Scree), 296, 315, 328, 366 

 heaps, 551 



— sere, colonization and, 372 

 Tamarack, see Larix laricina 

 Tamaricaceae (Tamarisk family), 366 

 Tamarind, 259 



Tamarisk, see Tamarix 



■ — family, see Tamaricaceae 



Tamarix (Tamarisk), 367, 370, 450, 451 



T. petitatidra, 370 

 Tanganyika, Lake, 318, 477 

 Tangerine, 258 

 Tank-epiphyte, 432 

 Tanner's Dock, 274 

 Tanning, 3, 273 



— materials, 273-4 



Tansley, A. G., xvii, xviii, 311, 368, 378, 



471. 573 

 Tansy, 262 

 Tapa cloth, 271 

 Tape-grass, see Vallisneria 



Tapeworm expulsion, 264 



Tapioca, 231 



Tar, 268 



Taraxacum (Dandelion), 99, loi, 248, 

 249, 258 



— , fruit of, 104, 105 



T. officinale s.l. (Common Dandelion), 

 222 



Tarns, 29, 316, 407, 409, 481, 545 



Taro, 258, 282 



Tarragon, 262 



Tasmania, 379 



Tawny Arctophila, see Arctophila fulva 

 agg. 



Taxodium distichum (Bald-cypress, Bog- 

 cypress), 160, 352, 353 



Taxon {pi. taxa), 24, 177, 182, 202, 553 



Taxonomy, 4, 571 



Taxus baccata (Yew), 340, 342 



Tchihatchef, P. de, 22 



Tea, see Camellia sinensis 



Teak, see Tectona grandis 



Teclaff, E. M., 253 



Tectona grandis (Teak), 247, 440 



Telescoping of succession, 327, 328 



Temperate area, biological spectrum, 95 



— climate, 10 



heathland, 358-9, 374 



— climax grassland, 359-63 



— evergreen forest, 352 



— lands, serai communities of, 370-5 

 , vegetational t^pes of, 336-79 



— rain forest, 350-4 



— region, 10, 323, 324, 377, 379 

 Temperature, 8, lo, 11, 283, 321, 574 



— changes in lakes, 473, 475, 486^ 



495 

 climate, 285-8, 409 



— as ecological factor, 285, 288 

 — , flowering and, 77-8 



— , fruit-setting and, 78 



— groups of seaweeds, 528 

 — , lethal, 288, 522 



— , ocean, 510 



— , photosynthesis and, 77 



— relationships, 1 1 , 77-8 



of Algae, 77, 476, 499, 510, 522 



— requirements, 76 



— , resistance to high, 77, 87, 499 



— , soil, 288, 304 



— , world maps showing, 286, 287 



— zones, 10 

 Terraces, 547 

 Terramycin, 265 



Terrestrial Algae, 29, 32, 34, 365, 464 



— habitats, 314-16 



Terricolous Lichenes, 344, 365, 397, 

 Tertiary forest, 465 [39^ 



— period, 129, 154, 155, 157 



— relic, 201 

 Tetanus, 26, 279 



