INTRODUCTION 31 



e. Determination of light-intensity. 



II. Vegetation-forms of the flora, including accessory bio- 



logical characters. 



1. Classification of the flora according to vegetation- 



forms.. 



2. The study of rosettes and rosette-forming plants. 



3. The study of buds with especial reference to protec- 



tion. 



4. Observations concerning seed-production and dissemi- 



nation. 



5. The study of the pollination of plants. 



6. The preparation of a complete phenological record 



for each species to include the following: 

 o. Earliest appearance of leaves. 

 6. Earliest appearance of flowers. 



c. Maximum flowering period. 



d. Length of flowering period. 



e. Earliest maturation. 



f. Period of maturation. 



g. Dying of parts of herbs, and leaf-fall of trees. 



7. Observations Upon various other phenomena, as foli- 



age movements, etc., falling under accessory biolog- 

 ical characters. 



III. Ecological relations. 



1. The classification of the flora into habitat-groups. 



IV. The study of the formation, summing up all the previous 



lines of investigation. 



