INDEX 



413 



Chenopodietalia, 371, 374 



Chenopodietum murali, 374 



Chenopodion murali, 374 



Chinook, 96 



Chionophily, 119 



Chionophoby, 119 



Chlamydolhrix ferriiginea, 191 



Chlora perfoliala, 314 



Chlorine content, determination of, 



200 

 Chlorococcus, 309 

 Chlorophyll, formation of, 99 

 Chlorosis, iron, 180 



Ume, 180 

 Chrysanthemum, 102 



alpinum, 308, 310 



vulgare v. delarbrei, 63, 156 

 Chrysospleniurn alpinum, 310 



alternifolium, 36 

 Cicendia, 353 

 Cicerbita alpina, 124 

 Circaea alpina, 98 

 Circle of vegetation, 305, 370 

 Cirsium, 276 



arvense, 291 



monspessulanum, 375 



spinosissimum, 124 

 Cistion ladaniferi, 376 

 Cistus, 86, 115, 130, 280 



alhidus, 130 



monspeliensis, 50, 281 

 and alhidus stage, 326 



salvifolius, 46 

 CUromyces, 180 

 Cladonia, 253, 280 



alpestris, 124, 292, 301 



botrytis-Parmeliafurfuracea assn., 309 



pyxidata, 72 



rangiferina, 124, 292 



silvaiicn, 72, 124, 292, 301 

 Cladium, 339 



mariscus assn., 200 

 Cladophora, 169, 347 



profunda-Chamaesiphon incrustans 

 assn., 109 

 Class, 365 



Classification according to sociological 

 progression, 370 



application of principles of, 372 



ecological systems of, 361 



Classification, floristic principle of, 3(J3 



floristic systems of, 362 



of communities, 361 

 of Bas Languedoc, 372 



of soil types, 255 



of soils, climatic, 256 



physiognomic-ecologic system of, 

 361 



phytosociological, 354 



sociological, 2 



syngenetic, 334 

 Clay, 163, 211 



cup atmometer, 139 

 Clematis, 296 

 Clevea, 291 



Climate, according to temperatures, 

 93 



alpine, 261 



of plateaus, 262 

 Climates, classes of, 94 



local, 89 

 Climatic classification of soils, 256 



communities, 361 



factors, 83 



in soil formation, 255 



isolations and relict communities, 

 352 



periods, post-glacial, 339 



zones, 94 

 Climax areas, 323, 324 

 in Alps, 232 



climatic communities, 371 



community, an organism, 315 



complex, 323 



deciduous forest, 369 



fluctuations, 325 



forest, tropical, 284, 368 



soil, 255 



and vegetation, 322 



vegetation, alpine, 270 

 Climbing plants, 292 

 Closed communities, 371 

 Clostridium spp., 235 

 Cloudiness, distribution of, 106 

 Coefficients of community, 362 



of soil moisture, 214, 215 

 Coeloglossum viride, 24 

 Cold air drainage, 87 



injury, to plants, 85 



limit, of beech, 93 



