8 roNTKNTS. 



GiMU'ral |>riiici])l»'s of tin- distriliution (»f plants — ( "initiiinnl. I'affi-. 



I'liiiit toriiiatioiis and jilant associatiims '.\'t 



ny<lr<ipliyti<' plant assoriations .'57 



XtTupliytic jtlant assciciaf i<»ns 'M 



1 lalopliytic plant associations .■{" 



Mfsopliytir iilant associations .{7 



CnMicral <liaractcr of the Hora of Alahania 'M 



Systematical relations 'AS 



Kndi'niic jtlants :iS 



Relationship of the Alahania Hora to tliat of adjoinini: retrions ;!t> 



Relationship of tlie Alahania Hora to forei<rn Hoias :)".i 



I^a'itern Asia :'>•' 



West Indies, Mexico, Sonth America 41 



l".nru|ic ;iiiil the Mediterranean n-L'ion 4H 



Biolo^'ical and ecolo<rical relations 44 



F( irest Hora 44 



Shrubby i)lant associations 44 



Arboreal plant associations 45 



( )iH'n land or canipestrian flora (xerophile i)lant associations) 4S 



Water and swamp floi-a (hydropiiytic plant associations) 48 



Hydrocharidean class 48 



I.ithophytic ami limn;ean classes 49 



I'alnstrian classes 49 



Organotopic flora 50 



Epiphytic plant associations 50 



8ai)roi)hytic and symbiotic plant associations 51 



Parasitic i)lant associations 52 



Insectivorous i)lants 52 



Introduced plants and their inHuem-e upon native jilant associations . 5.i 



Naturalized plants 53 



Adventive plants 54 



Fugitive plants 55 



Plant distritnition in Alal tania 50 



Carolinian area or flora 57 



IMountain region 58 



Ranges of hills of the Metaniorphic and older Paleozoic strata 58 



Table-lands of the Warrior and Coosa Basins t>9 



Physiographical features and climate 69 



Vegetation of the plateaus, mountain slojies, and higher valleys. . 70 



Region of the Tennessee River Valley 80 



Physiographical features and climate 80 



Vegetation of the table-lands and higher ridges 81 



Vegetation of the lowlands, coves, and 1 iluffs 86 



Vegetation of the barrens and river hills 88 



Cultural plant formations 89 



Region of the Lower Hill country 89 



Gravelly hills of short-leaf pine and hardwood trees 90 



Coal Measures of the Cahalja Valley and Warrior basin 90 



Louisianian area or flora 94 



Region of the Central Pine belt 96 



Central Prairie region 97 



Physiographical features 97 



Xerophile forests 98 



Mesophile forests 99 



