LEAVES AND HERBS. 
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acute or cuneate, margin deeply serrate; upper and 
under surfaces dark green, pubescent, glandular, veins 
of the first order diverging at an angle of 65° and 
terminating in the teeth ; petiole 1 to 5 cm. long. 
Inflorescence in sessile spikes, each flower subtended 
by an ovate, pubescent bract; calyx entire, ovate or 
oblong-acuminate, about 4 mm. long, dark green, 
pubescent, split longitudinally on one side, somewhat 
enlarged at the base and folded around the ovary ; 
styles two, about 8 mm. long, filiform, pubescent, ovary 
oblong, about 1 mm. long, with a single campylotropous 
ovule. Odor distinct. Taste slightly acrid. 
Constituents. — Resin from 15 to 20 per cent., con- 
sisting of a number of principles, one of which, canna- 
binol, is said to possess the physiological properties of 
the drug; the latter also contains a volatile oil, potas- 
sium nitrate and calcium oxalate. 
SCOPARIUS (Broom). 
The tops of Cytisus Scoparius (Fam. Leguminosie), a 
shrub indigenous to the temperate parts of Europe, 
and naturalized in waste places from Virginia to Nova 
Scotia. The tops are gathered before flowering and 
are used in the fresh condition, or they are dried. 
Description. — Usually cut branches ; the latter 
alternate, pentangular, 2 to 3 mm. thick; externally 
dark green, with five yellowish-green wings and 
numerous reddish-brown cork patches, the younger 
branches somewhat pubescent ; fracture short, fibrous 
or of pieces thick, tough, splintery ; internally yel- 
lowish, bark thin, wood slightly porous, pith large, 
about 1 mm. in diameter. Leaves elliptical, obovate, 
simple above, 5 to 10 mm. long, 3 to 4 mm. broad, 
digitately trifoliate below; apex of both leaves and 
leaflets acute ; base acute ; margin entire ; upper surface 
