386 D1DYNAMIA ANGIOSPERMIA. 



* * Calyx bilabiate, 



270. CLINOPODIUM. Whorls surrounded by a setaceous mvohi- 



crum upper lip of the corolla flat, emargiriate. 

 271. ORIGANUM. Flowers collected into a dense 4-sided spike ; up- 



per lip of the corolla straight, flat, emarginate. 

 272. PRUNELLA . Upper lip of the calyx dilated ; filam. forked, one 



of the points antheriferous. 



273. SCUTELLARIA. Upper lip of the calyx covering the fruit like 

 an operculum. 



274. TRICHOSTEMA. Calyx resupinate; upper lip of the corolla 

 falcate ; stamens very long, and incurved. 



ANGIOSPERMIA. 



* Calyx 5-cleft. 



275. PHRYM A. Calyx cylindric ; upper lip longer, 3-cleft ; lower lip 

 bidentate ; upper lip of the corolla emarginate ; lower much larger ; 

 seed solitary. 



276. VERBENA. Calyx with one of the teeth truncate; corolla infun- 

 dibuliform ; limb 5-cleft, unequal ; stamens 2 4 ; seeds 2 4, en- 

 closed in a thin evanescent pericarp. 



277. LIMOSELLA. Calyx 5-cleft; corolla 4 5-lobed, equal; stam. 

 approximating by pairs; capsule 2-valved, partly 2-celled, many- 

 seeded. 



278. SCROPHULARIA. Corolla subglobose, resupinate, shortly 

 bilabiate, with an internal intermediate scale ; capsule 2-celled. 



279. ANTIRRHINUM. Calyx 5-parted; corolla personate or ringent, 

 with a prominent or spurred nectary at the base ; capsule 2-celled, 

 bursting at the summit, with reflected teeth. 



280. GERARDIA. Calyx half 5-cleft, or 5-toothed ; corolla subcam- 

 panulate, unequally 5-lobed ; segments mostly rounded ; capsule 

 2-celled, opening at the summit. 



281. PEDICULARIS. Calyx ventricose, half 5-cleft ; upper lip of the 

 corolla arched, laterally compressed, emarginate; capsule 2-celled, 



oblique, mucronate ; seeds angular. 

 282. MIMULUS. Calyx prisms 



latic, 5-toothed ; corolla ringent ; upper 



lip reflexed at the sides ; palate of the lower lip prominent ; stigma 

 thick, bifid. 



283. CHELONE. Calyx 5-parted, with 3 bracts ; corolla ringent, ven- 

 tricose; sterile filam. shorter than the rest; anthers woolly ; caps. 

 2-celled, 2-valved ; seeds membranaceously margined. 



284. EUCHROMA. Calyx ventricose, 2 4-cleft; corolla bilabiate; 

 upper lip very long and linear, embracing the style and stamens ; 

 anthers linear, with unequal lobes, all cohering in the form of an ob- 

 long disk ; capsule ovate, compressed, 2-celled ; seeds numerous, sur- 

 rounded with a membranaceous inflated vesicle. 



285. MELAMPYRUM. Calyx 4-cleft ; upper lip of the corolla com- 

 pressed ; margin folded back ; lower lip grooved, trifid, subequal ; 



