INDEX 



583 



Alkali-grass, Creeping, see Puccinellia 



— pans, 369 [phryganodes agg. 



— soil, 366 



Alkaline water, survival in, 499 



Alkaloids, 263, 266 



Allee, W. C, 17 



Allium cepa (Onion), 91, 258, 282 



Allochthonous ooze etc., 496, 497 



Allogenic effects etc., 304, 370 



Allopolyploids, 179 



Allopolyploidy, 204 



Allspice, 261 



Alluvial cones, 544 



— fans, 544 

 Almond, 238 



Almis (Alder), 325, 342, 344, 372, 373 

 A. crispa agg. (Green Alder), 392 

 A. glutiuosa (Alder), 340 



Aloe, 5, 366 



Ald< 355. 366, 447 



Alopecurus, 364 



Alpine area, diurnal fluctuations in, 1 1 



— Arnica, see Arnica alpina s.l. 



— Bearberry, see Arctostophylos alpina 



agg- 

 ■ — Brook Saxifrage, see Saxifraga rivu- 

 laris agg. 



— Chickweed, see Cerastium alpinum s.l. 



— Fir, see Abies lasiocarpa 



— Forget-me-not, see Myosotis alpes- 



tris agg. 



— Holy-grass, see Hierochloe alpina 



— meadow, 410, 412, 413 



— plants, 91, 93, 109-14 

 , in lowlands, 374 



— Timothy, see Phleuni alpinum s.l. 



— tundra, 377, 383, 410, 414, 469 

 Alps, 156 



Alternation of generations, 38, 39, 49, 59, 

 Alternative hosts, 252 [63-4, 69 



Altitude, vegetational changes and, 376 

 Altitudinal area, 188 



— effects, 409-15 

 , in tropics, 467-70 



— vicariad, 202 



Amanita phalloides (Deadly Amanita), 45 

 Amaranthus retroflexus (Pigweed), 125 

 Amazonian forest, 247 



— region, 423, 430, 444, 462 

 Amber, 273 



Ambrosia (Ragweed), 280 



America, 187, 379 



— , crop plants original to, 253 



American Aspen, see Populus tremtiloides 



— Beech, see Fagiis grandifolia 



— Geographical Society, v, xvii 



— Western Buckthorn, 264 



— Witch-hazel, 264 

 Ammoniacum, 273 



Ammophila arenaria (Marram Grass), 

 122, 123, 328, 371, 548, 549, 566 



Amoeba, 42 



Amoebic dysentery, treatment of, 264 



Anaerobic conditions, 488, 498 



Anaesthetic, local, 263-4 



Analogue, agroclimatic, 574, 576 



— , climatic, 574, 575, 576 



Ananas cotnosus (Pineapple), 235, 239, 



258, 282 

 Anastatica hierochuntina (Rose of 



Jericho), 102 

 Ancyclonema tiordenskioldii, 490 

 Anderson, D. B., 95 

 — , E., 252 

 — , J. A. R., 424, 454 

 Andes, 226, 470 



— , cushion plants of, 413, 414, 470 

 — , high-altitude vegetation of, 414 

 — , montane zone in, 470 

 — , semi-desert scrub of, 447 

 Andreaea, 418 

 Andrews, H. N., 153 

 Andromeda (Marsh Andromeda), 501 

 Anemometer, 293 

 Anemone, fruit, wind-dispersed, 102 



A. nemorosa (Wood Anemone), 342 

 Angelica, 262 

 Angiospermae (Angiosperms), 12, 21 



67-73, 143. 144. 145. 149-51 

 — , aquatic, 483, 484, 485, 494, 503-5 

 — , derivation of, 144 

 — , fossil, 143, 145, 196 

 — , general account of, 67-74 

 — , geological history of, 129, 143, 144, 



145. 149 



— , marine, 527, 528, 529, 530, 531 



— , maritime, 107, 533 



— , mycorrhizal, 72 



— , parasitic, 72, 250, 437, 438 



— , primitive, suggestions of, 139 



— , saprophytic, 72, 436-7 



— , subclasses of, 73 



Animal community, 16 



— geography, 2, 15-17, 18, 19 

 Animals, 14-17, 34, 38, 156, 160, 257 

 — , dispersal bv, 27, 1 1 1, 112, 113, 1 14- 



118 

 — , ecological significance of, 16, 17, 305 

 — , ecology of, 15 

 — , plant-like, 2 



— , plants influenced by, 15, 304-5 

 — , response to climate, 16 

 Anise, 262 

 Annatto, 274 

 Annual habit, survival by, 78, 93 



— Meadow-grass, see Poa annua 



— plants, 78, 93, 217, 327. 355 

 , aquatic, 506 



, desert, 93, 365, 451 



— ■ — , grazing favourable to, 364 

 , scarcity in Arctic, 93, 537 



— production by photosynthesis, 520 



