258 CLASS XIV. ORDER II. 



273. SCHWALBEA. 

 ScHWALBEA Americana. WiUd. Choff sced. 



Simple, pubescent ; leaves lanceolate; raceme ter- 

 minal, with alternate flowers. 



Stems simple, clothed with numerous lanceolate entire leaves. 

 Flowers an inch long. Calyx ventricose, the lower lip emargi- 

 Date, or bidentate. Corolla yellowish brown, upper lip entire, 

 arched, lower lip three lobed. Seeds winged. — Plymouth, Wlr. 

 Greene. — July. — Perennial. 



274. LIMOSELLA. 



LiMOSELLA TENUIFOLIA. Nutt. MlulwoH. 



Leaves linear and very narrow, scarcely dilated at the 

 points ; scape one flowered; about as long as the leaves. 



A small plant of the marshes. Flower solitary, white, bluish 

 outside. — Sea shore. — Plymouth. — August. 



275. RHINANTHUS. 

 Rhinanthus crista galli. Yellow Rattle. 



Upper lip of the corolla vaulted ; calyx smooth ; 

 leaves lanceolate, serrate. 



About a foot high, branching and smooth. Leaves opposite, 

 cordate, lanceolate, acutely serrate, rough. Calyx large, infla- 

 ted, compressed, nerved and reticulated, contracted at the mouth. 

 Corolla yellow, much longer than the calyx, the upper lip 

 curved, the lower three cleft. In meadows, at Plymouth, Mass., 

 abundant. — July. — Annual. 



276. SCROPHULARIA. 

 ScROPHULARiA Marilandaca. L. Figwort. 



Leaves cordate, serrate, acute, rounded at base; 

 stem obtuse-angled. L. 



A tall, erect plant with flowers resembling capsules. Stem 

 square with bluntish corners, smooth except at the joints, where 

 there is a slight pubescence between the petioles. Leaves op- 



