382 SALVADORACES. 
cant, In Dr. Imlach’s Report on Snake-bites in Sind (Bomb, 
Med. and. Phys. Trans. New Ser., iii., p. 80,) several cases are 
mentioned in the tabular record, in which Pilu seeds were 
administered internally, with good effect. They are also said — 
to be a favorite purgative. 
‘Royle considers S. persica to be the mustard tree of the 
Now Testament, and says that the Syrian Arabs call it Khar- 
dal, z. e. “ mustard.” 
_ Description.—S. persica and S. oleoides are small trees 
or shrubs with a crooked trunk, seldom more than one foot in 
diameter ; bark scabrous and cracked, whitish ; branches numer- 
ous, spreading; their extremities pendulous, like those of the 
weeping willow ; leaves opposite, petioled, oval or oblong, vein- 
less, shining on both sides, fleshy, from 1 to 2 inches long, and 
one inch broad; flowers minute, greenish yellow, in terminal 
panicles from the exterior axils; berry in S. persica small, 
smooth, red, juicy; in &. olevides it is largerand yellow. The 
selitary seeds have a st aromatic smell, and taste like garden 
cress. The oil of S. itech: is of the consistence of butter, ofa 
bright green colour, and pungent odour. That sold in the 
shops is usually adulterated, and is of a greenish yellow colour, 
and of greater consistency than the genuine article. 
“The root-bark when fresh is of a light brown colour and 
nearly smooth, studded pretty thickly with scabrous corky 
Mien a either single or arranged in transversely extended ~ 
The substance and inner surface of the bark is 
white and soft; fracture short; odour like cress; taste warm 
and pungent. 
Microscopic structure. —The epidermis i is formed ofseveral rows 
of brick-shaped cells containing brown and green colouring 
matter; within this the cells of the parenchyma are brick-shaped 
and arranged in rows for some distance inward, afterwards 
the arrangement becomes more irregular, and the cells ara ° 
loaded with starch, a few oil globules, and raphides; towards 
the inner part of the bark are a few large yellow stone cells. 
The wood is porous ; the ee system composed of large, very 
a 
