ee ee 
_ tain glycogen and other substances. He affirms that the cysti 
1887. | BOTANICAL GAZETTE. 147 
Mr. GrorGe E. Davenport, of Medford, Mass., has just sent us a pho- 
nited States, which 
he had ob up for the Middlesex Institute. The specimens are shown 
Fiepn H. Mo.iscw proposes’ the following new test for sugar in 
plant sections: “A not too thin section laid on a slide is treated with a 
_glucoside: e 
be staining indicates, with great probability, the presence of sugar. 
ah; as Sag test ma be used to demonstrate the p i 
tage a by Sachs’ method, is liable to be confounded with sphero-crystals, 
al ty become immediately stained deep violet with « naphthol and 
phuric acid, and on the addition of thymol, are dissolv with the 
production of a red color.” 
te) r : 
the well-known laticiferous vessels of Lactarius and Russula, which con- 
1 Sitzung-beri go. . pas de Jour. 
Roy. Mic, Soc. April, 1887, Kénigl. Akad. Wissen. Wien xcifi (1886) pp. 922 2; fide Your 
