54 DIDYNAMIA. ANGIOSPEUMIA. 



t t Calix 4-clefL 



441. SCHWALBEA. L. 



Calix ventricose, tubular, obliquely 4-clcft; 

 upper scj^meut shortest, the ]ii^\iv large aiul 

 emarginate or biileutate. Corolla bilabiate, 

 upper lip entire, arched, the lower S-lobed. 

 Capsule ovate-subterete, 2-cellcd, 2-valved; dis- 

 sepiment produced by the infiected margin oi* 

 the valves, and parallel with the longitudinal 

 receptacle. Seeds numerous, imbricated, line- 

 ar, and alated. 



Perennial and herbaceous; leaves alternate, entire; flow- 

 ers axillary, racemose, alternate, shortly pedicellate; ca- 

 lix mostly marked with 10 or 12 an.milar striatures and 

 conspicuously bibracteate at the base. From the struc- 

 ture of the capsule, no plant can more decidedly belong to 

 the ANTiRRHiNE/Ethan this, liaving no vestige of a trans- 

 verse septum, the capsule cylindric-ovate, and opening 

 longitudinally, always below the adhering summit. 



Species. 1. S. americajia. Generally occurring on the 

 borders of sphagnose swamps not far from the sea-coast? 

 from the state of New- York to Florida. — The only species 

 of the genus. 



442. ^EUCHROMA.f Bartsia. L, (Painted- 



Cup.) 

 Calix spathffiform, bifid, and emarginate, or 

 quadrifid, with the segments subulate. Corolla 

 bilabiate, upper lip very long and linear, embra- 

 cing the style and stamina; lower lip siiort and 

 trifid, without glands. Anther s\\\\q'<m\ with un- 

 equal lobes, all cohering in the form of an oblong 

 disk. CapsiUe compressed, ovate, oblique, 2- 

 celled, 2-valved; dissepiment medial, bipartile. 

 Seeds numerous, and small, surrounded with a 

 membranaceous inflated vesicle. 



f Finely coloured, in allusion to the common name of** Plant- 

 ed Cup," from its brilliant colouring. 



