Triandria ■, 
The species belonging to this genus are very nume- 
rous, and some of them are natives of Jamaica and the 
other islands in the West Indies, of South America, 
and of the South sea islands. 
CLASS III. 
TRIANDRIA. 
The plants belonging to this class have three stft® 
mens, and it is divided into three orders. 
Order I. Monogynia. 
Valeriana. Gen. char. — Cal. none ; cor. mono- 
petalous ; gibbous at the base on one side, superior ; 
one seed. 
Val. Dioica , Small of Marsh Valerian ; flowers tri- 
androus, dioecious, (that is, the stamens on one plant 
and the pistils on another,) radical leaves ovate, stem- 
leaves pinnated. Native of Britain ; grows in wet and 
marshy meadows ; is perennial, and flowers in June. 
Val. Officinalis , Great Wild Valerian ; flowers trian- 
drous, leaves pinnated, leaflets lance-shaped, nearly 
uniform ; a common plant on the banks of rivers and 
in marshy places ; is perennial, and flowers in June. 
The roots of this plant are employed in medicine, and 
are well known for a peculiar odour which seems to be 
extremely grateful to some animals ; cats are very fond 
