\ oc. Caitien. ee rok Fein). esis died the behaviour of 
compounds, when brought into plants either by introduction into the stem or 
= y absorption through the roots. In either case, there were signs, or even proofs, of 
2 the formation of glucosides — in the plants if certain aromatic substances had been 
= taken up. It seemed interesting, in consequence, to investigate whether something 
See would happen in seeds. They therefore selected”) on the one hand the 
E seeds of Indian corn, wheat, beans, lupines and vetch and, on the other hand, saligenin, 
benzyl alcohol, quinol, pyrocatechol, gallic acid and tannin. In the grains of Indian 
corn, as well as in beans, which had been made to germinate on filter paper soaked 
with-a 10 per cent. saligenin solution, the presence of salicin could be proved. A 
similar experiment, carried out in the dark, showed the same result, so that light is 
| not necessary for the formation of glucosides. When using benzyl alcohol, traces of 
oa 
: 
; 
‘— 
> 
x 
: 
= seeds form glucosides the same as fully-grown plants. 
} 
= Salinigrin. In the black bark of Salix discolor, a glucoside is found, which differs 
from salicin. It has been called salinigrin and seems to be the glucoside of the 
= _m-hydroxybenzaldehyde. G. Bargellini and R. de Fazi*) have tried to prepare salinigrin 
synthetically. They obtained, on shaking m-hydroxybenzaldehyde in dilute soda lye 
with an ethereal solution of aceto- bromoglucose, the tetra-acety! compound of the 
_ glucoside of m-hydroxybenzaldehyde. On saponification of this body, however, only 
resinous substances have been obtained so far. 
an isomeride of salicin, biochemically from salicylalcohol and glucose in the presence 
_ of emulsin. In the same way, Bourquelot and A. Aubry’) obtained @-salicylgalactoside — 
Ea by using galactose instead of glucose. The glucoside was penne in a crystalline state. — 
The Biatocemical reduction of Girone to citronellol is described on page 120 
of this Report. 
“ wn 
= On shading experiments with basil, see page 5 of this Repork 
As to the constitution of anemonin, see page 134. 
Physiological Notes. 
‘ ‘og Psychological investigations of the sense of smell. 
_H. Henning has carried out, in the psychological institute of Francfort Universi 
(1916), 610; Journ. chem. Soc. 110 (1916), I. 413. 
a glucoside-like compound were obtained, which, on being boiled with hydrochloric 
acid, was reconverted into benzyl alcohol. It may, therefore, be followed that germinating __ 
_ -—— B-Salicylgalactoside. On page 20 of our Report of October 1913, we pointed out . 
already that E. Bourquelot and Hérissey*) had succeeded in preparing #-salicylglucoside, _ 
extensive experiments as to the sense of smell. The results of the extraordinarily — 
_ manysided investigations are a valuable addition to the experiences made so far in — 
=3 : ; > : : : : 
2 1) See Reports October 1910, 171; October 1911, 125. — *) Atti R. Accad. dei Lincei, Rome, (5), 25, 
_- I (i916), 3; Chem. Zentralbl. 1916, l1..21. — #*) Gazz. chim. ital. 45 (1915), II, 10; Chem. Zentralbl. 1915, Il, 
7 _ 894. — *) Journ. de Pharm. et Chim, VII. 8 (1913), 49. — 5) Ibidem VII. 13 (1916), 273. — Compt. rend. 162 — 
