Hexandria. 
75 
and among brushwood. The irritability of the stamens 
of the barberry is very remarkable. 
Order II. Digynia. 
Oryza Saliva, Rice. Cal. one- flowered, glume two* 
valued ; cor. two-valved ; one oblong seed. One spe- 
cies only of this valuable plant is known ; the stem 
rises to the height of four or five feet, and the flowers 
are arranged in a terminating panicle. Rice is most 
successfully raised in those situations which admit of 
flooding with water ; it is extensively cultivated in Chi- 
na and India, where it forms the chief food of the na- 
tive inhabitants, as well as in Carolina, from all of 
which places it is imported into Europe, and forms a 
wholesome, nutritious aliment. 
Order III. Trigynia. 
Rum ex. Gen. char .- — Cal. three-leaved ; petals 
three, meeting together ; one triangular, superior, nak- 
ed seed ; stigmas much divided. 
Rum. Crispus, Curled Dock ; with all the valves 
ovate, entire ; leaves lanceolate, waved, acute ; peren- 
nial ; flowers in June and July, and is very common in 
waste places and by way-sides. 
Rum. Ohtusifolius, Broad-leaved Dock ; radical 
leaves, heart-shaped, blunt ; stem roughish. Common. 
Rum. Digynus , Mountain Sorrel ; the leaves radical, 
kidney-shaped, and on foot-stalks. Common on the 
G 2 
