xii STUDIES IN SEEDS AND FRUITS 



CHAP. 



1 6. THE ABORTION OF OVULES AND THE FAILURE OF SEEDS 



17. SEED-COLORATION ....... 



1 8. THE WEIGHT OF THE EMBRYO .... 



19. THE REST-PERIOD OF SEEDS . 



20. THE COSMIC ADAPTATION OF THE SEED . 

 APPENDIX . . . . . . . . 



INDEX 





