•s M 



2620 Meristems. 



2640 Cytology. {See also L 6000-8700.) 



2700 Cytoplasm. {See also L 6200.) 



2740 Nucleus and Nuclear Division. {See also L 6300.) 



2780 Plastids (including Starch. Crystals, Vacuoles, etc.). 



2800 Vacuoles (and their contents). {See also L 6500.) 



2850 Cell-Wall. {See also L 6750, 6900.) 



2900 Cell-formation. 



PHYSIOLOGY. 



3000 General. 



3010 Physiology of the Vegetative Organs. 



3020 Physiology of Cells and Tissues. {See also Q 0200, 0400.) 



3040 Absorption and Translocation of Water and Gases, and 



Adaptations thereto. 



3060 Nutrition, and Adaptations thereto. 



3080 Respiration, and Adaptations thereto. 



3100 Fermentation and Zymolysis. {See also L 5000 ; R 1820.) 



3120 Physiological Chemistry. {See also Q 1010.) 



3140 Supply and Dissipation of Energy. 



3160 Growth. 



3180 Irritability and movements. {See also L 7400, 7700.) 



3200 Oecology (General Adaptations to Environment). {See 



also L 5300, 5500.) 



3220 Symbiosis. {See also Q, 028o ; R 2250.) 



3225 Parasitism. 



3235 Saprophytism. 



3240 Physiology of Reproduction. 



3500 Fertilization and its Conditions. {See also L 2400.) 



3550 Hybridization. {See also L 2600.) 



3600 Vegetative and Asexual Reproduction. (iS'ee also L2050.) 



3650 Influence of the Environment on Reproduction. 



3700 Dispersal, and its Mechanism. 



3750 Germination. 



3800 Phenology. 



PATHOLOGY. 



{See also R 9000-9500.) 



4000 General. 



4010 Diseases due to Malnutrition. 



4050 Diseases due to Plants. 



4100 Diseases due to Animals. 



4150 Diseases due to other causes, or of unknown origin. 



4200 Wounds and Mutilations. 



4250 Reparative Processes. 



4300 Galls. 



4350 Treatment of Disease. 



EVOLUTION. 



4400 General. {See also K 0200 ; L 4300.) 



4410 Heredity and Stability of Characters. {See also L 2700.) 



4500 Variation. {See also L 3000.) 



(M-8209) B 2 



