THE ALUMNI JOURNAL. 6r 



The statement that Bulgarian Rose oil shape of the fruit is more globular than 



contains roseol while the German con- that of the lemon, and the nipple, which 



tains geraniol, is combated. is strongly developed, is broader and 



Reference is made to a sudden and large flatter. The fruit although edible, has a 

 demand for Jaborandi Leaf oil, but the mawkish, sweet and unpleasantly aro- 

 use made of it is not known. matic taste. For the purpose of oil manu- 



Lavender oil with more than 40 per facture the green fruit is pressed before 

 cent, of ester content is said to be very ripening, as the yield is then at its great- 

 rare, est. It appears that oil of sweet lemon 



The damp season in the producing dis- has already been investigated chemically 



trict has caused a very low percentage as far back as i860, by M. S. Luca. It 



yield of L,ovage oil. is true that that author mentions Citrus 



The remarks relating to IJme oil are Lumia as the parent plant, but from the 



so very interesting that we reproduce description of the fruit, which entirely 



them in full: ' agrees with that given above, as well as 



"In our last report, (p. 34P), we have from the Italian name applied to it, and 

 already given details concerning the the result of the investigation, we have 

 properties and the origin of the West reason to believe that the oil investigated 

 Indian oil of limes from Citrus medica L. by him was the same." 

 var. acida Brandis. We then pointed out The April report contains a valuable 

 that whereas the juice of the West Indian table contrasting the requirements of 17 

 lime fruit is sour and contains citric acid, pharmacopceias with reference to Pepper- 

 that of the Southern European lime from mint oil, and this is followed by several 

 the Citrus I^imetta Risso is sweet. The pages devoted to the differences between 

 essential oils of the plants are also very the oil of English, Japanese and Ameri- 

 diflerent in their characters, for while the can production. The best evidence so far 

 oil of the West Indian lime has a strong obtainable, shows the following percent- 

 odor of citral, and is hardly distinguish- ages of menthol in these oils : American, 

 able from oil of lemon, except by the 45-60; English, 58-67, Japanese, 60-77. 

 greater intensity of its odor, the lime oil The content ot santalol in East Indian 

 from Citrus Limetta Risso does not in Sandal Wood oil is placed provisonally 

 any way resemble oil of lemon. Its odor at about 90 per cent. It is predicted that 

 on the contrary reminds one of oil of the Macassar wood oil may entirely dis- 

 bergamot. We have had an opportunity appear from commerce, as it cannot be 

 of subjecting an oil of this kind to a produced on a paying basis in competi- 

 chemical examination, and we shall tion with the former. Venezuelan oil is 

 shortly report the results. We have to said to be produced with great irregular- 

 express our indebtedness to Mr. Siles of ity. 



Reggio, for detailed information concern- The determination of the freezing point 

 ing the parent plants of the fruit as well is considered an ample provision for test- 

 as for a supply of the oil. In Calabria ing star- anise oil, and it is stated that a 

 the lime tree is known as arancio, or great decline has recently been witnessed 

 Limoncello di Spagna, and its fruits as in the quality of the oil as determined by 

 aranci, or limi di Spagna. At the flower- this method. A practical method for 

 ing period, which falls in May, the tree obtaining it is thus described : 

 bears flowers of a pure white, and the " Before the sample is taken from the 

 fruit ripens in December or January. The tin the contents ot the latter should be 



