196 
Sorbus Aucuparia. EUROPEAN MounrTAiN ASH. 
Location: Arboretum. 
Natural distribution: Europe and Asia. 
Sorbus Aucuparia var. pendula. WEEPING EuROPEAN Moun- 
TAIN ASH 
Location: Arboretum. 
Aria. Bram TREE 
Aria Aria. Common BEAM TREE. 
Location: Arboretum. 
ee distribution: Europe and northern Asia. 
Aria lat BROAD-LEAVED BEAM TREE. 
io ia 
Natural distribution: Europe. 
Aronia. CHOKE-BERRY 
Aronia arbutifolia. RED CHOKE-BERRY. 
ocation: Fruticetu 
Natural eee Racers United States. 
Aronia atropurpurea. PURPLE-FRUITED CHOKE-BERRY. 
i icetu 
Natural distribution: Eastern United States. 
Aronia cee ana BLACK CHOKE-BERRY. 
Location: Fruticetum. East end of Aquatic Garden. 
Natural ee ea Eastern North America 
AUTUMN LECTURES, 1918 
Aug. 31. ‘‘Autumn Flowers,” by Dr. N. L. Britton 
Sept. 7. “Gladioli,” by Bee A. C. Beal 
Sept. 14. “‘Evergreens,” by Mr. G. V. Nash 
Sept. 21. ‘‘ Dahlias,”’ Dr. M. A. Howe 
(Exhibition of Dahlias, Sept. 21 and 22) 
Sept. 28. ‘Flora of the Vicinity o 
New York,” by Mr. Norman eas 
Oct. 5. “Autumn Coloration,” by Dr. A. B. Sto 
