i 



INDEX. 



Page. 



Acetone, use in extraction of perfumes 16 



Acids, relation to aroma of plants 10-11, 28 



Africa, distilled oils exported to the United States 46-47 



Alabama, growth of perfume-yielding plants 37-38 



Alcohol, compounds, office as odor bearers 10-1 1, 45 



relation to aroma of plants 10, 28, 31-34 



use in extraction of perfumes 1 9-21 



Aldehydes, relation to aroma of plants 10, 28 



Algeria, perfumery industry 8, 41 



Almond, bitter, aromatic oil 9, 12, 15, 44 



Altitude, relation to development of aroma 13 



Amygdalin, source of volatile oil of peach kernels, etc 15 



Anise, aromatic oil 10, 12, 40, 42, 44 



culture in the United States 40, 42 



Apparatus, use in perfumery industries 7-8, 17, 20, 22, 23-25, 47 



See also Distillation, Enfleurage, Extraction, and Steam. 



Apricot, oil contained in seed 12, 15 



Arkansas, perfumery-plant industries 37 



Arlington Experimental Farm. See Experiments at Arlington. 



Aroma of plants, conditions of development 12-16, 31-34 



derivation 10 



factors affecting quality 12, 13, 14, 29 



See also Climate, Culttu-e, Light, and Soil. 



methods of extraction 16-27 



nature, localization, and development 9-1 6 



Aromatics, early use 7 



Artemisia absinthium, use and cultiu-e 31-34, 35 



Asia, distilled oils exported to the United States 46^7 



Attar of rose, development of industry in Bulgaria and Turkey 8 



Balsam, Oregon, oil obtained from oleoresin in wood 12 



Barks, source of volatile oils 12, 14, 37, 38 



Basil, sweet, culture in the United States 40, 42 



Bay, aromatic oil 1 1, 44 



Benzene, use in extraction of perfumes 16 



Bergamot, aromatic oil from fruit 12, 21-22, 44 



mint. See Mint, bergamot. 



wild, source of aromatic oil 39-40 



Betula lenta, source of aromatic oil 37-38 



Birch, sweet, aromatic oil 14-15, 38, 45 



growth in the United States 30,37-38 



Blue-gum tree. See Eucalyptus. 



Bulgaria, perfumery industry 8 



Bulgarian rose. See Rose, Bulgarian. 



Cade, wholesale price of aromatic oil 44 



195 49 



