POWDERED DRUGS. 
288 
32. Scoparius. — Dark green ; non-secretion hairs one- 
celled, 0‘5 to 07 mm. long, thick-walled ; ducts spiral 
or double spiral, slightly lignified ; sclerenchymatous 
fibers narrow, thin-walled and with simple pores. 
/3 NON-SECRETION HAIRS WANTING. 
33. Cardamomum. — Dark green ; stone cells dark 
brown, slightly elongated, 15 to 25 /u. in diameter, the 
inner wall thickened; outer epidermal cells 20 to 30 p 
in diameter, elongated on surface view, inner and 
outer walls thickened ; oil-secretion cells with suber- 
ized walls; starch grains spherical or angular, single 
or compound, 1 to 4 /a in diameter ; monoclinic 
prisms of calcium oxalate few, 10 to 25 p in diameter. 
The powder of pericarp and seeds is pinkish and 
contains, in addition, sclerencliyma fibers which are 
non-lignified, relatively thin-walled and with simple 
slightly oblique pores ; ash not more than 10 per cent. 
The powder of Ceylon cardamom contains non-secre- 
tion unicellular hairs of the capsule, and the cells as 
also the starch grains and calcium oxalate crystals are 
larger. 
34. Staphisagria. — Dark green; sclerenchymatous 
cells somewhat ovate in cross section, more or less 
thick-walled and non-lignified ; parenchyma contain- 
ing oil and aleurone. 
POWDERS OF A YELLOWISH COLOR. 
In this group are included all those powdered drugs 
which are of a light-yellow (light-yellow ochre), dark- 
yellow (dark-yellow ochre), lemon-yellow, bright-yel- 
low (luminous - yellow) or yellowish - brown color. 
Representatives of all the different kinds of drugs 
are found in this group. 
