SCROPHULARINE.E. 269 



pressed ; lower one flat, 3-Iobed. Capsule 2-celled ; obtuse, 

 compressed. Didynamias Jingiospermia. 



R. crista gatti Linn. : upper lip of the corol arched ; calyx smooth ; 

 leaves lanceolate, serrate. 



HAB. Meadows. Arc. Amer. 'Can. N. Y. and Mass. June, 

 July. 0. Stem a foot high, branching.. Leaves opposite, cor- 

 date, lanceolate. Flowers axillary, but somewhat spiked, yel- 

 low. Calyx becoming .very large after flowering. Yellow Rattle, 



18. " PEDICULARIS. Linn. ^. r , 



Calyx ventricose, half 5-cleft. Corol with the upper lip 

 emargirmte and compressed. Capsule 2-celled, mucronate, 

 oblique. Seeds angular, coated. 



Didynamia. Angiospermia. 



1. P. pallida Pursh : stem smooth, branched, with pubescent lines ; 

 leaves subopposite, lanceolate, pinnatifid, toothed and crenate, sca- 

 brous on the margin ; helmet of the corol truncated at the apex ; calyx 

 bifid with round segments and P, lanceolata Mich. 



HAB. Low grounds. N. Y. to Virg. W. to Miss. Sept. 2{. 

 -~Stem 1 2 feet high. Flowers large, straw yellow. Capsule 

 short and broad-ovate. 



2. P.jcanadensis Linn. : stem simple ; leaves pinnatifid, notched and 

 toothed ; spike leafy at the base*, hairy ; helmet of the eorol with 2 

 setaceous teeth ; calyx obliquely truncate. <;>-'; 



.HAB. Meadows. Can. to Car. W. to Miss. May July. If. 

 Stem 8 10 inches high. Flowers yellow and purple, in a 

 short terminal spike.. . - ** Louse-wort. 



3. P. gladiata Mich. : stem simple ; leaves lanceolate, pinnatifid, 

 toothed ; spikes leafy, hairy, with the flowers alternate ; capsule ter- . 

 minating in a long flat Roint. 



HAB. Wet meadows. N. Y. to Virg. May, June. It' Stem 

 a foot high. Floicers yellow and purple. ' V 'v'l 



19. EUPHRASIA-. Linn, -i 



Calyx tubular, 4-cleft. Corol bilabiate; upper lip bifid; 

 lower one of 3 notched lobes. Anthers with their lobes mu- 

 cronate at base. Capsule ovate-oblong, 2-celled. Seeds stri- 

 3te. "> ''^ Didynamia. Angiospermia. 



E. offidnalis Linn. : leaves ovate, deeply toothed, furrowed ; flowers 

 axillary towards the summit ; calyx 4-toothed, hairy ; segments of the 

 lower lip of the corol emarginate.' . 



Can" 'Mich. Arctic Amer. Rich. July Sept. 0. 

 Flowers white, with purple veins. Eye-bright. 



23* 



