CONSTITUENTS OF BAMBOO SHOOTS. 
39 
unciation of reliable methods of eliminating these substances, 
and through their labours, knowledge of the metamorphism of 
albuminoids in the vegetable organism has been much in¬ 
creased. 
As regards the presence of bodies of xanthine- and hypo- 
xanthine-groups 1 in plants, G. Salomon 2 found hypoxanthine 
and probably also xanthine in lupine shoots, a fact afterwards 
confirmed by E. Schulze and J. Barbiéri; 3 4 Reinke and Rode- 
wald 1 detected hypoxanthine and guanine in the protoplasm 
of Aethalium septicum, Schützenberger 5 found the same 
substances in self-fermented yeast ; Baginsky 6 detected hypo¬ 
xanthine and xanthine in Chinese black tea ; I found hypo¬ 
xanthine, xanthine and also guanine in fresh tea leaves 7 8 ; 
E. Schulze and E. Bosshard 2 found hypoxanthine, guanine, 
and also, in many cases, xanthine in a great many young 
plants, either grown in light or kept in the dark ; E. Schulze, 
E. Steiger, and E. Bosshard 9 found the bodies of xanthine and 
hypoxanthine groups in Vicia sativa, Trifolium pratense, 
Medicago sativa, Avena sativa and Lolium italicum ; finally 
A. Kossel 10 discovered adenin in the alcoholic extract of tea. 
It is, however, A. Kossel to whom is reserved the honour of 
bringing forward, by a series of brilliant researches 11 an in- 
1 The terms suggested by E. Schulze (Zeitschrift für physiologische 
Chemie, Vol. 12. p. 405) for designating xanthine and guanine, on one side, 
and hypoxanthine and adenin on the other. 
2 Jahrbericht der Chemie, i88r, p. 1012. Salomon also detected these 
bodies in the germs of malt. 
3 Journal für practische Chemie, Vol. 37, p. 358. 
4 Untersuchungen aus dem botanische Laboratorium in Göttingen, Vol. 
II. p. 147. 
5 Jahrbericht der Chemie, 1874. p. 952. 
6 Zeitschrift für physiologische Chemie, Vol. 8, p. 395. 
7 A full detail will be published in these Bulletins. 
8 Landw. Vers. Stat. Vol. 33, p. 8g. 
9 Zeitschrift für physiologische Chemie, Vol. 10, p. 262. 
ir Zeitschrift für physiologische Chemie, Vol. V, p. 152 and 167; Vol. VI. 
p. 422 ; Vol. VII, p. 7 ; Vol. VIII,. p. 404 ; Vol. X, p. 248. 
