POWDERED DRUGS. 
291 
monoclinic pyramids of calcium oxalate, starch and 
numerous lignified bast fibers and stone cells. 
** FIBROVASCULAR TISSUE WANTING. 
69. Cambogia. — Bright yellow ; sternutatory; contain- 
ing few or no starch grains. Not more than 25 per 
cent, should be insoluble in alcohol ; ash not more than 
3 per cent. 
70. Lupulinum. — (See No. 177). 
71. Lycopodium. — Light yellow; spores tetrahedral, 
delicately reticulate, 25-40 /a in diameter. 
II. FEW OR NO FRAGMENTS OF 
VEGETABLE TISSUES. 
A. GIVING OFF ODOR OF SULPHUR DIOXIDE 
WHEN BURNED. 
72. Sulphur Lotum. — In small chain-like masses in 
glycerin mounts. 
73. Sulphur Prsecipitatum. — Small rounded masses in 
irregular groups in glycerin mounts. 
B. NO ODOR OF SULPHUR DIOXIDE WHEN 
BURNED. 
a. Nearly Colorless in Glycerin Mount. 
74. Mastiche. — Transparent irregular masses. 
b. Yellowish in Glycerin Mount, 
a CONTAINING OIL GLOBULES. 
75. Soammonium. — Irregular masses. 
p TRANSPARENT OR TRANSLUCENT. 
76. Colophony. — Irregular masses, soluble in cold alco- 
hol (95 per cent.) forming a straw-colored liquid, which 
becomes milky white on addition of water; on heating 
fragments of resin in water they melt, run together 
and form a sticky mass. 
