166 



WEEDS AND USEFUL PLANTS. 



215 



1. FE'DIA, L. CORN-SALAD. 



[Origin of the name obscure.] 



Calyx-teeth 3 - 5 or obsolete. Fruit 3-celled, two of the cells empty, 

 the other one 1-seeded, cellular-gibbous on the back. Leaves spatulate- 

 oblong ; flowers in dense cymules. 



1. F. olito'ria, Vahl. Fruit compressed, oblique, the fertile cell with a 



corky mass at the back, the sterile ones often confluent ; flowers pale 



blue. 



POT-HERD FEDIA. Lamb's Lettuce. Corn Salad. 



FIG. 115. The Carolina Pink (Spigclia Marilandica). 



