626 



INDEX 



Salisbury', E. J., xvii, 127 



Salix (Willow), 68, 102, 173, 222, 274, 



325, 342, 346, 384, 385, 391, 392, 



393. 406, 4". 454- 553 



— of arctic scrub, 390, 391, 392 



— in arctic tundra, 383, 384, 385, 387 

 — , erosion checked by, 569 



• — , heathland, 359 

 — , seed of, 102 



— in semi-desert oases, 365 



— , snow-patches and, 403, 404 



S. olaxensis agg. (Feltleaf Willow), 



392 

 S. crctica s.l. (Arctic Willow), 385 

 S. cordifolia s.l. (Broad-leafed 



Willow), 392 

 S. glatica s.l. (Glaucous Willow), 390, 



391. 392 



S. herbacea (Herb-like Willow), 192, 



403, 404 

 S. polaris agg. (Polar W illow), 389 

 S. richardsonii agg. (Richardson's 

 Willow), 392 

 Salsify, 258 



Sahoia kali var. tetniifolia (Russian- 

 thistle), 249 

 S. pestifer (Russian-thistle), 102 

 Salt-bush, see Atriplex conum 

 content of sea-water, 507-8 



— crusts. Algae on, 502 

 • — desert, 366, 367, 368 



marsh, 6, 296, 333, 367, 368-70, 



458, 459, 533, 550 



— , Algae of, 368, 369, 370 



, arctic, 399, 400, 401 



Sedge, see Car ex saliiia s.l. 



vegetation, 368-70, 400, 459 



, warm-temperate, 367, 370 



marshes, location of, 368, 399 



— relations of Algae, 474, 490, 502, 508, 



509, 523, 533 

 Saltatory dispersal, 103 

 Salts needed by plants, 12, 368 

 Saltwort, see Salicornia 

 Sambticus (Elder), 349 



— nigra (Elder), 342 

 Sand fraction in soil, 298 



binding plants, 122, 123, 277, 328, 



371, 400, 407, 458, 542, 548, 550 



box Tree, see Hura crepitans 



dunes, 296, 316, 371, 458, 547, 548, 



555 

 , climax forest following, 371, 



548 



, Gramineae of, 371, 458, 542, 



, migration of, 548 [548 



, secondary colonization of, 371 



, stabilization of, 328, 371, 458, 



548, 549, 566, 569 



, succession on, 371, 548, 549 



— , wet, organisms inhabiting, 495 



Sandeman, C. A. W., 414 



Sandwort, see Arenaria 



Sandy shores, 371, 399, 458, 495, 532-3 



— soils, 301, 303, 443 

 Santonin, 263 



Sap green, 274 

 Sapodilla, 258 



— tree, 272 

 Sappanwood, 274 



Saprophyte, 27, 41, 43, 51, 53, 100, 120, 

 280, 320, 350, 436-7, 493 



Saprophytes, angiospermous, 72, 342, 

 350, 436 



— , cave-flora, 546 



— , marine planktonic, 518, 539 



— of ocean depths, 320, 538 

 Saprophytic prothallus, 57, 59 

 Saprophytism, 80 

 Saproplankton, 480 

 Sargasso Sea, 38, 319, 521, 529 



weed, see Sargassum 



Sargassum (Gulf-weed, Sargasso-weed), 



37, 515, 521, 528 



S. flu i tans, 521 



S. natanSy 521 

 Sarracenia (Pitcher-plant), 91 

 Sarraceniaceae (Pitcher-plant family), 



IQO, 192 

 Sarsaparilla, 260, 262 

 Saskatchewan, 343 

 Sassafras, 262 



Satinwood, see Chloroxylon szcietenia 

 Saturation-deficit, 289, 291 

 Savanna, 213, 246, 318, 332, 333, 352, 



359> 360. 363. 443-7, 464, 465, 466 

 — , bush, 443, 444 

 — , derived, 465 

 — , geographical locations of, 444, 446, 



464 

 — , Gramineae of, 443, 445, 446, 465 

 — , montane, 470 

 — , rainfall and, 444 



— -woodlands (parklands), 343, 440-3, 

 Savoury, 262 [445 

 Sawdust, 271 



Saxifraga (Saxifrage), 108, 116, 387, 

 396, 405, 409, 410, 413 

 5. aizoides agg. (Yellow Mountain 



Saxifrage), 79, 204 

 S. hircidus agg. (Yellow Marsh Saxi- 

 frage), 385, 402 

 5. oppositifolia agg. (Purple Saxi- 

 frage), 186, 189, 192, 395, 397, 399, 

 402, 403 

 S. rivitlaris agg. (Alpine Brook Saxi- 

 frage), 204, 402 

 S. tricuspidata (Three-toothed Saxi- 

 frage), 408 

 Scalding, 87 



Scale of geological time, 145 

 Scandinavia, 181, 184, 231, 343, 348, 563 



