13 
Experimental Morphology. — Problems in variation of form and 
structure, and determination of the causes. Morphogenic re- 
actions. Professor Lloyd; Professor Richards; Doctor Mac- 
Dougal 
Embryology of Spermatophyta. — Comparative embryology of 
special groups. .Special embryological problems. Technique. 
Laboratory. Professor Lloyd. 
Special Taxonomy, — Critical study of a family or genus of 
plants of not less than fifty species. The group may be chosen 
Fic. 6, Laboratory for chemical physiology, New York Botanical Garden. 
from the entire range of the si seas world. Field, herbarium, 
laboratory, conservatories and en. Directed, according to 
the group chosen, by oe Undenacon. Doctor Britton, 
Doctor Small, Doctor Howe, Professor Earle, Doctor Rydberg, 
Mr. Nash, Professor Burgess, Mrs. Britton. 
Regional Botany. — Collection, determination and comparative 
study of the plants of some restricted area. Field, herbarium 
and laboratory. Professor Underwood ; Doctor Britton. 
Developmental Taxonomy. — Comparative study of the living 
