DIDYNAMIA.— ANGIOSPERMIA. -243 



401. CHELONE. Shell-flower. 



C. glabra : smooth ; leaves opposite, lanceolate 

 oblong, acuminate, serrate; flowers in dense 

 spikes. 



HAB. Wet places. Aug.— Oct. 4 . Stem 2 ft. high, 

 simp. ; fl. large, wh. or rose-col. 



402. PENTSTEMON. 



1. P. pubescens : stem pubescent; leaves lanceolate - 

 oblong, sessile ; repandly serrulate ; flowers pa- 

 niculate ; sterile filament bearded above the middle. 

 HAB. Mountain meadows. June. 4 . Stem 11 

 ft. high, slend. ; fl. pale purp. 



?. P. IcEvigatum : smooth ; leaves ovate-oblong, am- 

 plexicnul at the base, denticulate ; the inferior 

 very entire ; flowers paniculate ; sterile filament 

 bearded above. 

 HAB. Low stony grounds. July. 4 . Stem 1 — 2 

 ft. high ; fl. pale purp. 



403. MARTYNIA. 



M. proboscidea : stern decumbent, branched ; leaves 

 alternate, cordate, very entire, villous. 



HAB. River banks. Au^. — Sept. 0. Stem thick, 

 viscid-pub. ; fl. large, wh. f pu?ict. 



404. SCHWALBEA. Scrophularince. 



9. americana. 



HAB. Sphagnous swamps. Sept. 4. Stem 12 — 



18 in. high, simp.; leav. alt. obi. entire ; fl. ra 



cem., subsess., dark-pur p. 



405. EUCHROMA. Painted-cup. Scrophularince, 



E. coccinea : leaves and coloured bracts pinnatifullv 

 3-cleft ; segments divaricate ; calyx 2-cleft, nearly 

 equal with tho corolla ; segments retuse and 

 emarginate. 



HAB. Wet meadows. May — June. 4 . Stem G— 1- 

 in. high; bracts scarl : cor. yell. 



