= 
‘little menthol and father a large amount “of avons: it oe 
here reptonces *): = 
weed which had ceased to bloom, S. Furukawa obtained an essential oil with the follo 
observed with Thymus vulgaris, L.. In thyme also, there is occasionally found ‘in place 0 
perties:— dis0 0.920, «+ 8°. 
Oil of Monarda fistulosa.—Further details about the identif ¢ 
the constituents found in the oil of en Jistulosa, L. now isl b 
of di-hydro cumine alcohol was given by the obits of a - senflean i 
point 198 to. 199°) and the high boiling point (225 to 245°) of the free oil. B 
and Be eae were identified by the p-nitrophenylhydrazones- of mi 
blooms in clusters, which become from one to two feet high. On distilling ‘the fi 
ester alile 17.68; ester value after acetylation 51.2). Pheliandiene and erica were al 
identified. How the individual constituents were identified i is not mentioned in the Tepor 
Oil of Mosla japonica.— Various authors formerly gave contre “detatie yes 
the chief constituents of the oil of the labiata Mosla japonica, Maxim. ( Yamash 
An explanation of this is given by K. Hoshino®) who has established that ei 
thymol or carvacrol, but never both constituents together are found in. the same oil am 
An oil containing thymol had the following properties: —d0.9154, a 1 0° (direction | 
angle of rotation not given), nps»0 1.4996, ester value 4.5, thymol content 50.06 per « 
It was almost insoluble in 70 per cent. alcohol, but dissolved in 2 vols. 80 | per ¢ 
alcohol. For estimation of the terpenes, the phenol-free one was eg. oc over so 
and collected in Six fractions. 
essential oil with the following constants: aa 0.8966; ty 9,068; le 
ester value after acetylation 36.4. As _ chief constituent the Ketone 
ws 
) Cf. Report 1919, 35. — °) Circular 4, Univ. of Wisconsin, October 1918. —_ 
Tokyo 22 (1919), 382. According to Journ. Soc. chem. Industry 38 (1919), A. was orig é) 
Hoffmann, The Volatile Oils, 274 ed., vol. Ill, p. 561. — 5) Journ. chem. Ind. Tokyo 22 
to Journ. Soc. chem. Ind. 38 (1919) A. 877. — °%) Apparently the same phenomenon c 
isomeride carvacrol. — 7%) Yakugakugasshi, 1919, 450, 663. Accordi ing” to Perf 2. ioe 
8) Perhaps a-thujone is meant. 
