249 



Investigation, 237 



Investigators Enrolled During 1940, 

 Graduate Students and Independ- 

 ent, 87 

 Iris, The, 85 



at the World's Fair, Japanese, 58 



Collection. 119 



Rhizome, Soft Rot of the, $7 



Jordan, William E., 135 

 Juzwick, John, 67 



Keller, William, 67 

 Kolk, Laura A., 87 



Labels and Signs, 119 



tree, 59 

 Labor paid for by Government re- 

 lief organizations, 121 

 Laboratory Building, The need for 



an addition to the, 78 

 Lantern Slides. Loan Sets of, 240 

 Lawrence, Mrs. Herbert, 109 

 Leaflets. 170 



Lectures, Addresses, and Papers 

 Given by the Botanic Garden Per- 

 sonnel During 1940, Talks, 157 

 Lectures and Classes, 102 



Extra-Mural and Intra-Mural, 

 246 

 Library, The, 54, 144, 243 



for 1940, Report on the. 132 

 Statistical Report on the, 135 

 Lilac Borer, 223 

 Colors, 194 

 species, 198 



Species and Varieties, 191, 197 

 varieties, Flower forms of, 193 

 Lilacs, 116 



Hybrids between Species and their 



Varieties, 197 

 in the Brooklyn Botanic Garden, 



191, 196 

 in the Brooklyn Botanic Garden, 



Index to, 210 

 in the Brooklyn Botanic Garden, 



Map of, 197' 

 Species and their Varieties, except 

 Syringa vulgaris Varieties, 196 

 The Odor of.' 193 

 Varieties of Syringa vulgaris 

 Dark Colored. 206 

 Light Colored, 200 

 White, 199 

 Varieties, twenty-two Additional 

 Lilac, 208 



Loan Material for Colleges, High 

 Schools, and Junior High Schools, 

 Study and, 241 



Loans, Interlibrary, 134 



Local Flora Section, 127 



Local Schools, Cooperation with, 226 



Loines, 67 



Mann, Roy H., 61 



Mansfield, Louise, 85 



Marcv, Dr. D. Elizabeth. 83 



Maxon, William R., 137 



McCallum, John, 67 



McDonald, James G., 60, 66 



McGinley, Charles, 68 



Meetings of Organizations at Brook- 

 lyn Botanic Garden. 1940, 168 



Members, List of, 175 



and the General Public, Courses, 

 for, 22^ 



Membership, 68 

 Club, iv 



Information Concerning, ii 

 Privileges of, iii 

 Summary of, 189 



Mildew of the Lilac, Powdery, 223 



Miner, Frances M., 114 



Moss " Ravine," 124 



National Recreation Association, 62 

 Nephrolepis, Experimental variations 

 in, 100 



Nurses, Courses for Student, 236 



Oat Hybrids to Loose and Covered 

 Smuts, Studies on the Inheritance 

 of Resistance of, 81 



Observers, Student, 121 



Odor of Lilacs, The, 193 



Ohlsson, Dr. Ernst, 194 



Organizations, Meetings of Outside, 

 246 



( )rphan Asvlum Society of Brook- 

 lyn, The, "63 



Park Department and Others 



Fall Course for Employees of 



the, 236 

 Spring Course tor Employees 

 of the, 236 

 Parks. Department of, 59 

 Pathology, Plant, 81 

 Peony, Tree, 122 

 Personnel, 69 

 Pests and Fungous Diseases of the 



Lilac, Insect, 222 

 Photographic Work, Report of, 169 



