-LOGANIACEZ. i, 
swith a broad, thickened margin, so that the central portion of 
the seed appears depressed.. The outside edge is rounded or 
tapers into a keel-like ridge, Bombay nux-vomica usually has 
a bevelled margin, and Madras an obtuse one. Hach seed has 
on its edge asmall protuberance, from which is a faintly 
projecting line (raphe) passing to a central scar which is the 
hilum or umbilicus; a slight depression marks the opposite 
side of the seed. The seeds are of a light greyish hue, occa- 
‘sionally greenish, and have a satiny or glistening aspect, by 
reason of their being thickly covered with adpressed, radiating 
hairs, Nux-vomica is extremely compact and horny, and bas 
& very bitter taste. (Pharmacographia.) The wood occurs in 
the Be ehops in ne of variable length, and from # to 1 inch or 
nd is s marked by numerous small light-coloured elliptic corky 
warts. A transverse section shows numerous very fine 
edullary rays ; touched with nitric acid the section is anes, = 
a a dull orange red. 
Microscopic seeciaeda aie of nux-vomica are sok ro 
markable structure. They are formed as usual of the pre si, : 
