254 



INDEX 



Breakwell, E., 64 



Britain and Ireland, and outlying 

 islands, distribution in, 70, 73; 

 flora of genera and families by 

 sizes, 235; Hieracia in, 160; in- 

 vasions of, 234, 236; species per 

 family, 237. And cf. Cambridge- 

 shire, Clare, Colonsay, Ireland, 

 Orkneys, Scilly, Wicken, Willow, 

 etc. 



Broken areas, 89 



Burkill, I. H., 12 



Cakile alacranensis, distribution of, 

 152 



Calcutta climate, 43 



Calenduleae, 126, 127, 134 



Callitriche, distribution of, 92 



Colli fris, distribution in Australia, 

 157, 64 



Cambridgeshire flora, 235, 237 



Campanula Vidalii, distribution of, 

 152 



Canary Islands, flora of, 27, 88 



Causes favouring or hindering dis- 

 persal, 32 



Cenchrus insular ia, distribution of, 

 152 



Ceylon, age and area in , 54 ; catalogue 

 of flora, 59; distribution of classes 

 in flora by area, 59; distribution 

 of species in, 59; dry and wet 

 zones, 14; endemics, 54, 55, 56, 

 150, 152, 233; endemics mainly in 

 big genera, 165; endemic genera, 

 170; genera by sizes, 235; spread 

 of introductions in, 25— 6. And cf. 

 Adam's Peak, .Anuradhapura, 

 Christisonia, Coleus, Doona, Eu- 

 genia, Hakgala, Hinidun-kanda, 

 HorUmia, Kandy, Ritigala, Schu- 

 machcria, Thwaites, Titlumia, 

 Trimen 



Change in living world, rate of, 3; 

 of conditions, 39-44, 51 ; of tem- 

 perature, 44; greater in greater 

 time, 144 



Characters, family and generic, 209; 

 intermediate usually not possible, 

 209, 211, 219; often appear late, 

 210; rudimentary beginnings of, 

 209 ; usually evolved withotit refer- 

 ence to usefulness, 226; usuallv 

 indifferent, 152, 209, 224, 225. 

 And cf. Intermediates,Species,etc. 



Chatham Islands, 66-74, 230; plants 

 oldest in New Zealand, 67 



Cherrapunji climate, 43 



Chinese-North- American flora, 88, 

 140, 144 



Christisonia, 151 ; distributionof,159 



Cichorieae, 130, 135, 136 

 Cissampelos, distribution of. 159, 



172 

 Cistaceae, distribution of, 172 

 Clare Island, distribution of flora, 70 

 Classes bv area, 60, 61 

 Clements', Y. E., 20 

 Climate, 40; climatic boundary, 45,- 



changes of, as barriers, 40; 



changes of, as directing forces in 



migration, 138 

 Closed plant-societies, 20, 30, 50, 51 

 Cockayne, L., 26 

 Coffee, Liberian, acclimatisation of, 



29 

 Coleus, dispersal of Ceylon species, 



2, 54; C. elongatus, 2, 54. 151. 152, 



208, 219 

 Colonsay, distribution of flora, 70 

 Commencing species, 10 

 Comparison of unallied forms, 86 

 Compositae. age and area in, 119; 



distribution of. 18, 22. 48. 85, 



Chap. XIII ; evolutionary history, 



132; of Madagascar, 175; size and 



space in, 132 

 Compound interest law, 241 

 Constitution of plant or animal. 231 

 Copeland, E. B., 5, 50 

 Correlated variations, 208, 209 

 Cosmopolitan genera, 21 

 Cromerian flora, 137-8 

 Cupressus macrocarpa, 88, 113 

 Currents, dispersal by, 14—17 

 Cyanca, distribution in Hawaii, 161 

 Cynara, spread of, 27; Cvnareae, 



127, 134, 135 

 Cyrtandra, distribution of, 159; in 



Hawaiian Islands, 160 



Darwin, C, 4, 10, 204, 217. 222; 

 Darwinian theory. 102. 204 



Destruction in struggle for exist- 

 ence, 113, 221 



De Vries on Age and Area and the 

 Mutation Theory, 222 



Diagnostic characters usuallv indif- 

 ferent, 152, 224, 225 



Didymocarpus Per di la, species of two 

 individuals onlv, 151 



Differentiation, 18, 103, 105, 221, 

 228 »., 240 



Dillenin, distribution, 159, 219; 

 Dilleniaceae, family tree, 240 



Dipterocarpaceae, distribution of, 

 19, 36, 85, 152 



Dispersal of plants, 10, 12, 24, 32, 

 85, 101, 228; a measure of age. 61, 

 197, 230; by birds, explosions, 

 mammals, sea, vegetative repro- 

 duction. Mind, etc., 12-1 9; average 



