Arnebia
 

Arnebia.--Ornamental hardy annuals, closely allied to the Anchusa.
The seeds are sown in the open in spring, and flowers are produced in
July. Height, 2 ft. There is also a dwarf hardy perennial variety (_A.
Echioides_) known as the Prophet's Flower, growing about 1 ft. high,
and flowering early in summer. It needs no special treatment.