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TABLE OF CONTENTS. 
The genotypical response of the plant species to the habitat ............ peel 
I." The: material’ and the cultures 2... RSR cites voto oes ce 
1. Material and cultures of shade forms of F iieauhitie SpECIES CEE » 215 
2. Material and cultures of Lowland dwarf forms ......::... er 221 
3. Material and cultures of succulent coast forms of mesophytic inland 
SPECIES ME LA mere cute le eee etai neers tos age eet ee » 229 
4. Material and cultures of different species of halophytes .......... » 238 
5. Material and cultures of inland and coast forms of Sedum maxi- 
mu UL) SUSE Si ses NAN NS TRUE Slat AR EURE M cs te eit tele lage RARE SEE » 260 
6. Material and cultures of inland and coast forms of Armeria vul- 
GATLSA Wille eal) ee ae oka tomate relate ee ts ise eae epee lee ea ON ee » 265 
7. Material and cultures of ul and coast forms of Hieracium um- 
Bellatatirde ner nn ee A re ee RE » 275 
Il. The controlling effect of the habitat factors upon the genotypical com- 
position of the species-population ........... 3 é BR eh Ge! 
1. The specialization of the habitat feed to conan habitat Yacht » 334 
2. The correspondence between the alternation of habitat and habitat 
Ye Dore te ate re. Sona NCO UT Ale oc » 337 
3. The local differentiation of the habitat type from the species-po- 
PLlatIon! LE Arr eo cee coed he neat ean Vinee reeset ES toate » 338 
4. The parallelism between the modification and the hereditary va- 
TIAUON eh AE eee suche shares ohe ov ets AUTRE ee Beh Pe RT ER TRUE » 340 
III. The species “and; the variety as ecological, units’... PE CRE » 341 
SUMMATV 2.2 Lu op ove ce ee tas ce het lea le eee ee ase ete eae ORD eee CN Cre anon SE cde na » 347 
Liferature- cite. 2220 ans LI OR MN SE ee otra eee » 348 
