milax: oil of intense. lain tecaline: that of 
de 0! tained by extracting the flowerets with an. easily volatile 
ent, removing ih: and making ‘the: extract soluble ‘by means of alcohol. On being 
d with an- acetic ~semicarbazide solution, it yielded a distinct precipitate of 
F arbazone crystals, but the quantity was too small to permit of a closer investi- iy a 
1 It is possible to obtain a similar volatile oil: by distillation with steam, ‘but. . 
fact that its odour is less intense and not so fine as that of the extracted pices ) 
1S fo indicate that it ‘is hts penne by me steam, 
é 
n ( oi. As to the cultivation of balm, see > page 79 of this Report. 4 a ry 
} 
rto ‘known as ‘to its structure. F. Ww. Semmler, K G. Jonas and W. Richter) show A a < 
ae 
- 
es 
« 
J 
gat 2 | 1 ie constants of betulol.. Rey 
4 B. from birch bud oil pov ite ie _. _ B. purified Me 
Bia: purified by aid of the: B. from the ctude oil by _ B. after. means of the © 
“acid phthalic ester (Semmler) jagabonioa iat ieee, von Soden and Elze . “(etinmal 8 tod. ne 3 
point 157 to 158° (13 mm.) 156 to 160° (13 mm.) 138 to 140° (4 mm.) 158° (7, mm.) . 
. grav. dico 0.977 digo 0.9765 ade OREM OPPE ROR TOU ce lr 
E Gy — 26° 30 Pde IOOSO gr KG Boe i typ TOS AG ay 
ecron Legere bY: pee nas SHY ae ripe Mates Mage 1518S a 
» 0.9854; ay — - 420, Hea 1.4962. On saponification, itil betulol is econeeaed 
Soden and Elze found for the acetate: — b. p. 142 to 144° 4 mim.); diso 0.986. ~~ ‘i 
On comparing the constants - of betulol with those of é-santalol (b. p. 160 to 168° — 
10 mm.]; deoo 0.973; % — 21°; npyo 1 5097), the alcohol manifests its ranging with the 
b ieyelic eo Sebeiene alcohols of the ated BES, fe a betulol differs from 
4 
mal 
4) Chen. Ztg. (1917), $43; 2 zy does 1917), 160. — 8) Oey 38 (1905), 1636; Rovere . 
- 1905, 13. — 4) Berichte 51 litte 417. — 5) Atti R. Accad. dei Lincei, Rome (5) 20, I (1911), 765; eae! 
Zentralbl. 1911, Mh. 690. La Z ricer att eee y ay! Sy 
