4 = ‘RAN uN a ULA CEA. 
a slaki growing in the Edinburgh Botanical Gardens, as haying © 
_ 2-3 fasciculated, fusiform attenuated tubers, some nearly fiv 
inches long and 14 inch in circumference, dark brown exter-— 
nally, white within, sending off sparse longish branching fibres, — 
Two kinds of the dried root (Bachnég) are met with in th 
- Indian markets. That.in general use consists of black, plum 
heavy conical tubers,.many of them four inches long,. havin 
brown resinous fracture in dry weather; in the rainy seas 
they become tough, horny and moist, and stain the fing 
brown when handled. ‘This kind,. even when carefully washed 
use among Huropeans. Jt appears to be the Teliya Bachna 
of the books.’ The other kind, called White Bachnég, exacth 
. corresponds with the description of. the Bish imported int 
England as given in the hake Ree ae it ge have | 
— ‘if seeaicad will -e found altered. 
° Microséopic structure,—If" we examine a transy 
cells; inside this we mect again with a starchy parenchyme 
the centre of the tuber is often fissured. In young roo 
vascular ‘bundles are nearer the centre than in old ones. 
: Chemical composition.—For a full account of this, ae 
Pharmacographia, p. 9; Dragendorff, Bettrage. 2. 
. Chem., p. 57-72 ; Flickiger, Archiv. f. Pharm. B. 191, ‘p. 
Groves, Phar. Sour. and Trans. 1878-74, p. 293 . 
 Aconite Alkaloids, by Dr. Alder Wright; Year-Book 
- abs 27; a oe Sern 
