230 DIDYNAMIA.— ANGIOSPERMIA. 



386. TRICHOSTEMA. Cal. resupinate. Upper lip 



of the Cor. falcate. Stam. very long, and in- 

 curved. 



ANGIOSPERMIA. 



*. Calyx 5-cleft. 



387. PHRYMA. Cal. cylindric ; upper lip longer, 3- 



cleft ; lower lip bidentate. Upper lip of the 

 Cor. emarginate ; lower much larger. Seed so- 

 litary. 



388. VERBENA. Cal. with one of the teeth truncate. 



Cor. infundibuliform ; limb 5-cleft, unequal. 

 Stam. 2 — 4. Seeds 2 — 4, enclosed in a thin 

 evanescent pericarp. 



389. ZAPANIA. Flowers capitate. Cal. 5-toothed. 



Cor. 5-lobed. Slam. 4, fertile. Stig. peltately 

 capitate, oblique. Seeds 2, at first enclosed in 

 an evanescent pericarp. 



390. HERPESTIS. Cal. unequal, bibracteate at the 



base. Cor. tubular, subbilabiate. Stam. inclu- 

 ded, all fertile. Caps. 2-valved, 2-celled ; dis- 

 sepiment parallel with the valves. 



391. LIMOSELLA. Cal. 5-cleft. Cor. 4— -5-lobed, 



equal. Stam. approximating by pairs. Caps. 2- ' 

 valved, partly 2-celled, many-seeded. 



392. SCROPHULARIA. Cor. subglobose, resupinate, 



shortly bilabiate, with an internal intermediate 

 scale. Caps. 2-celled. 



393. BIGNONIA. Cal. 5-toothed, cyathiform, partly 



coriaceous. Cor. campanulate, 5-lobed, ventri- 

 cose on the under side. Silique 2-celled. Seeds 

 membranaceously winged. 



394. RUELLIA. Cal. often bibracteate. Cor. sub- 



campanulate ; border 5-lobed. Stam. approxi- 

 mating by pairs. Caps, attenuated at each ex- 

 tremity, bursting with elastic teeth. Seeds few. 



395. BUCHNERA. Cal. 5-toothed. Tube of the tor. 



slender ; border 5-cleft, nearly equal ; lobes 

 cordate. Caps. 2-celled. 



396. ANTIRRHINUM. Cal. 5-parted. Cor. per- 



sonate or ringent, with a prominent or spurred 



