TETRADYNAMIA. 

 CLASS XV. 



SIX STAMINA, 4 LOXG AXD 2 SHORT. 



This Class has tico Orders. 



The Orders of this Class, like the foi'mer, are 

 named after the manner of producing their seeds. The 

 first Order has its seeds in a short or roundish pod, 

 or pouch. The second Order has its seeds contained 

 in a very long pod. 



All the plants of this Class possess similar virtues 3 

 they are termed acrid and antiscorbutic in their raw 

 state, as Mustard and Water-cress 5 when cultivated 

 and boiled, they become a mild wholesome food, as 

 Cabbage, Turnip, &c. 



The flowers of this tribe of plants are called cruci- 

 formed, from their having four petals, which make a 

 fanciful resemblance to a Greek cross. 



ORDER I. 



BITTER CANDY-TUFT is an annual plant, solicit 



and grows wild in great plenty in Buckingham- 



shire. It blossoms in July, and tlie whole herb is short Pod. 



