392 DIDYNAM1A ANGIOSPERMIA. 



HAB. Fields and mountains. Aug. <v) ; stem 812 in. high / Jl. 

 middle-sized. 



1. LA. 



* * Flowers yellow 



G. Jlava : pubescent ; stem nearly simple ; leaves subsessile, lanceo- 

 late, very entire or dentate ; the inferior ones incised ; flowers sub- 

 sessile. 



HAB. Woods. August September, Tj. ; stem 23 feet high ; Jl. 

 large. 



G. glauca : smooth ; stem paniculate ; leaves petiolate, pinnatifid ; 

 upper ones lanceolate ; flowers pedicellate. 



HAB. Woods. August. Sept. Stem 3 5 feet high, glauc. ; leaves 

 pale beneath. 



G. pedicularia : stem paniculate, pubescent ; leaves smoothish, ob- 

 long, pinnatifid ; segments uncinate, serrate : flowers axillary, pedi- 

 cellate ; segments of the calyx leafy, incisely dentate. 



HAB. Woods and mountains. July Aug. 7j_; stem 2 feet high, 

 much branch. 



281. PEDICULARIS. Lousewort. 



P. canadensis : stem simple ; leaves pinnatifid, incisely toothed ; spike 



leafy at the base, hairy; galea of the corolla with two setaceous 



teeth ; calyx truncate downward. 

 HAB. Wet meadows. May July, 1J.; stem 812 in. high; Jl. 



yel. and purp. 

 P. gladiata : stem simple ; leaves lanceolate, pinnatifid, dentate ; 



spikes leafy, hairy, with the flowers alternate ; capsule terminating in 



a long flat point. 

 HAB. Wet meadows. May June, Ij. ; Jlowers yel. and purp. 



282. MIMULUS. Monkey-flower. 



M. ringens : erect, smooth ; leaves sessile, lanceolate, acuminate ; pe- 

 duncles axillary, longer than the flower. 



HAB. Wet meadows. Aug. 1J-; stem 2 feet high, ang. ; Jl. large, 

 pale purp. 



M. alatus : erect, smooth ; leaves petiolate, ovate, acuminate, serrate ; 

 peduncles axillary, shorter than the flowers ; stem quadrangular, 

 winged. 



HAB. Wet meadows. Aug. 1\. ; stem 2 feet high ; teeth of the cal. 

 obi. acum. 



283. CHELONE. Snake-head. 



C. glabra : smooth ; leaves opposite, lanceolate-oblong, acuminate, 



serrate ; flowers in dense spikes. 

 HAB. Wet places. Aug. Oct. 7J. ; stem 2 feet high, simp. ; Jl. 



large, wh. or rose-col. 



