Antirrhinum

(an-ti-rī´num) (from anti , instead of, and rhis , snout), a genus of annual or perennial plants of the nat. ord. Scrophulariaceæ, commonly known as snapdragon , on account of the peculiarity of the blo oms, which, by pre ing between the finger and thumb, may be made to open and shut like a mouth. They all produce showy flowers, and are much cultivated in gardens. Many varieties of some of them, such as the great or common snapdragon ( Antirrhinum in sandy soil, and is found in cornfields in the south of England and Ireland.