CHELOXE GLABRA. 



SMOOTH SNAKE-HEAD. 



Didynamia Angiospermia, Linn. Bignoyux, Juss. 



GENERIC CHARACTER. 



Calix 5-parted, tribracteate. Corolla ringent, ventricose. Sterile f laments shorter 

 than the rest. Anthers lanuginous. Capsule 2-celled, 2-valved. Seeds mem- 

 branaceously margined. 



SPECIFIC CHARACTER. 



Leaves opposite, lanceolate-oblong, acuminate, serrate ; spikes terminal, close-flow- 

 ered. Willd. and Pursh. 



SYNONYM. 



Chelone glabra, <*. Pursh. 



A tall, brandling, showy plant, inhabiting watery places. Root 

 perennial. Stem smooth, roundish or obscurely quadrangular, erect, 



