Castillem. XCI. SCROPHULARIACE. 40 



dilated, longer than the 5 entire lobes ; sta. included, didynamous ; 

 anth. all equal, awned at base ; caps, ovate, acute, 2 valves bearing 

 the septum in the middle, seeds 00. — % erect, iV". American. Lower 

 Ivs. opposite, upper generall?/ alternate and entire. Cor. large, yellow, 

 villous ivithin as well as the stamens. 



1. D. auERCiFOLiA. Benth. (Gerardia quercifolia. Ph. G. flava. Linn. 

 G. glauca. Eddy.) Oak-leaved Dasystoma. — Glabrous ; st. paniculate- 

 branched; lv.'<. paler beneath, petiolate, lower ample, bipinnatifid, upper oblong- 

 lanceolate, pinnatifid or entire . Jls. peduncitlate ; cal. lobes lanceolate, acute, 

 longer than the tube. — Woods and barrens, Northern and Western States ! fre- 

 quent. It has a tall, smooth, glaucous, branching stem 3 — 5f high. Leaves 

 sinuate-pinnatifid ; the upper ones only cut-dentate, all acute at each end, 

 stalked, paler beneath. Flowers large and of a brilliant yellow, opposite and 

 axillary, near the top of the stem, forming a loose spike. Corolla trumpet- 

 shaped. The flowers resemble in form those of the foxglove, while the leaves 

 may be likened to those of the oak. The whole plant turns black in drying, 

 making but a shabby appearance in the herbarium. Aug. 



/?. integrifolia. Benth. Lvs. lanceolate, entire ; cor. smaller. — Ohio. 



1. D. PUBESCENs. Benth. (Gerardia flava. Ph.) Downy Dasystoma. (Fig. 50.) 

 Pubescent ; 5^. subsimple ; lis. sessile, oblong-lanceolate, entire or sinu- 

 ate-lobed ; cal. segments oblong, obtuse, shorter than the tube. — In woods through- 

 out the U. S. A tall and very showy plant. Stem 2 — 3f high, erect, pubescent. 

 Lower leaves variously pinnatifid, or cut and toothed ; upper ones very entire 

 or toothed, obtuse ; all opposite and sessile. Flowers large, yellow, opposite, 

 axillary, trumpet-shaped. This also with the next species, turns black in dry- 

 ing. Aug. Sept. 



3. D. PEDicuLARiA, Beuth. (Gerardia pedicularia. Linn.') Lo^isewort Dcu- 

 systoma. — St. panicled, pubescent; lvs. oblong, pinnatifid, the segments 

 serrate ; cal. seg. leafy, cut-dentate. — One of the most elegant species, found in 

 woods and mountains, Can. to Ga. and Ky. Stem tall and bushy, 2-— 3f high, 

 covered with a scattered, woolly pubescence. Leaves numerous, pinnatifid 

 with serrate lobes, opposite, on short, hairy stalks. Flowers large. Corolla 

 trumpet-shaped, yellow, with roundish, spreading, leaf-like segments. The 

 leaves have the general appearance of those of the lousewort, or some of the 

 ferns. Aug. 



Tribe 11. EUPHRASIEJS. 



Inflorescence centripetal, racemose. Corolla upper lip galeate or concave, erect 



or incurved. Stamens ascending beneath the upper lip. 



25. CASTILLEJA. 



Named for one Ca.stillejo, a Spanish botanist. 



Calyx tubular, 2 — 4-cleft ; cor. galea (upper lip) linear, very long, 

 crenate-concave, lower short, 3-lobed ; sta. beneath the galea, didyna- 

 mous ; anth. oblong-linear, with unequal lobes, cohering in the form 

 of an oblong disk, the exterior fixed by the middle, interior pendu- 

 lous. — Herbaceous or suffruticose. Lvs. alternate, thejloral often colored 

 at the apex. Fls. subsessile, in terminal, leafy bracts. 



1. C. cocciNEA. Spreng. (Euchroma Null. Bartsia. Linn.) Painted-cup. 



Lvs. sessile, pinnatifid, with linear and divaricate segments; bracts about 

 3-cleft and colored at the summit, longer than the corolla; cal. 2-cleft, nearly 

 equal with the corolla, segments retuse and emarginatc. — 7|. Wet meadows, 

 Can. and U. S., rare in N. Eng, A very beautiful pl.int, remarkable for its 

 large, bright scarlet bracts. Stem angular, simple, 8--12' high. Leaves alter- 

 nate, sessile, with about 2, long, linear segments on each side. Bracts crowded 

 near the summit of the stem, in 3 segments, the middle one larger than the 

 linear lateral ones. Flowers one in the axil of each bract. Calyx and corolla 

 tubular, dull yellow, the former tinged with scarlet towards the tip. May, Jn. 



