32 
IX. Arboretum. 
A collection of trees, native and exotic. 
X. Fruticetum. ; 
A shrub collection. 
Of these sections, as stated in the report of the Curator of 
Plants, the installation of numbers TT, III, VI, and X was com- 
menced during IgIt. 
Organization by Departments 
The departmental organization of the Garden, which it will 
be the aim to realize as rapidly as possible, is as follows: 
1. Administration :— 
The Director of the Garden. 
Director of the Laboratories, 
Curator of Plants. 
Curator of Public Instruction. 
Librarian. 
Consulting Landscape Architect. 
Secretary. 
Accountant. 
Superintendent of Buildings and Grounds. 
Janitors and Night-watchman. 
Engineers and Firemen. 
Foreman. 
Laborers. 
2. Graduate Study and Research :— 
The Director of the Garden. 
Experimental Evolution and Plant Breeding. 
Plant Physiology, 
Plant Pathology. 
Plant Morphology. 
Forestry and Forest Botany. 
Herbarium. 
Fellows and Resident Investigators. 
3. Public Instruction :— 
Curator of Public Instruction. 
Instructor. ° 
Docent. 
Supply Department. 
