VIOLALS. 98 VIOLETWORTS. 
1. V. odorata Linneus.—(Sweet Vioier.) . 
Stemless, throwing off runners ; leaves broadly cordate, pubescent ; sepals 
blunt ; flowers very sweet-scented. 
Habitat. Hedgerows and woods. 
Quality. Seeds and roots emetic and purgative ; flowers anodyne, produce faintness. 
Uses. As a substitute for ipecacuanha; flowers form an officinal syrup used as a test 
acids redden it ; alkalies render it green. 
2. V. canina Linneus.—(Doe Viorzr.) . 
_ Stems procumbent ; leaves cordate, oblong-ovate; stipules on the middl 
of the stem fringed, much shorter than the petiole ; flowers scentless. 
Habitat. Hedgerows and woods. 
Quality and Uses. Roots and seeds as in No. 1. 
3. V. tricolor Linneus.—(The Pansy or HEARTSEASE. ) ; 
Stems prostrate and ascending; leaves crenate ; stipules leafy, lyrate, 
pinnatifid, with the middle lobe crenated ; flowers 3-coloured, scentless. 
Habitat. Corn-fields and gardens, 
Quality. Acrid. — 
Uses. Leaves bruised, against cutaneous affections (tinea capitis.) 
lonmpium. Ventenat. 
Sepals not extended at 
the base. Petals very 
unequal; 1 large and 
spreading, 4 small. 
PSS W fle Stamens separate. — 
AT 1. I. Ltubu i ae 
" Zt cacuanha Auguste a 
St. Hilaire. —( WH 
IrecacuanHa.) Fig. 
146. 
Extremely hairy ; leaves 
oblong, serrated } 
sepals fringed. 
Habitat, Brazil and Guiana 
Quality. Roots emetic. 
Uses. Substitute for Ipecac 
anha, 
2. I. microphyllum Hu 
boldt. — (Cure 
CHULLI.) <7 
a Half shrubby, smooth; 
leaves minute, oblong, acute, serrated ; peduncles 3 times as long 
the leaves, 
Quality. Emetie, purgative ; very active, 
Uses. “Said to be a certain cure for the elephantiasis tuberculata. 
Fig. 146.—Ionidium Itubu, 
