CLASSIFICATION OF ANGIOSPERMS. 477 



PIG. 261. Jack-in-the-Pulpit, or Indian Turnip (Ariscema triphyllum) , a very common 

 perennial herb growing in woods and thickets of the eastern and central parts of the United 

 States and Canada, and characterized by i or 2 leaves which are divided into 3 elliptical- 

 ovate, pointed leaflets and a characteristic spathe of a greenish color, frequently purple- 

 striped and curving in a broad flap over the top of the club-shaped spadix. The plant 

 produces a turnip-shaped corm with an intensely acrid juice. After Troth. 



