730 SCROPHULARIACEAE (fIGWOKT FAMILY; 



Var. serrata (Torr.) Robinson. The upper leaves oblong, merely serrate oi 

 even quite entire. (Var. integriusciila Gray ; Dasystoma serrata Small.) — Mo, 

 and Kan. to La. and Tex. — Sometimes well marked, but not always so. 



3. G. flava L. (Downy False Foxglove.) Pubescent icith a fine close 

 down ; stem 0.5-1 m. high, mostly simple ; leaves ovate-lanceolate or oblong, 

 obtuse, entire, or the loicer usually sinuate-toothed or pinnatifid ; pedicels very 

 short; calyx-lobes oblong, obtuse, rather shorter than the tube; corolla 4-5- 

 cm. long; capsule pubescent. {Dasystoma Wood.) — Open woods, s. Me. to 

 Ont., la., and southw. 



-t- •»- Stem glabrous. 



4. G. virginica (L.) BSP. (Smooth False Foxglove.) Glaucous, 1-2 m. 

 high, usually branching; loiuer leaves commonly twice pinnatifid ; the upper 

 oblong -lanceolate, pinnatifid or entire ; pedicels nearly as long as the calyx ; 

 calyx-lobes lance-linear, acute, as long as the at length inflated tube ; corolla 

 4-5 cm. long. (Dasystoma Britton ; G. quercifolia Pursh.) — Dry woods, s. Me. 

 to Minn., and siuithw. 



5. G. laevigata Raf. Not glaucous ; stem 3-8 dm. high, mostly simple ; leaves 

 lanceolate, acute, entire, or the lowest obscurely toothed ; pedicels shorter than 

 the calyx-tube ; corolla 2-3 cm. long. (Dasystoma Chapm.) — Oak barrens, etc. , 

 Pa. to Mich, and Mo., s. in the mts. to Ga. 



§ 2. OTOPHYLLA Benth. Corolla purple (rarely white), naked within, as 

 well as the very unequal filaments ; anthers dissimilar, pointless, glabrous 

 or sparingly hairy. 



6. G. auriculata ^Nlichx. Rough-hairy ; stem erect, nearly simple, 2-6 dm. 

 high ; leaves lanceolate or ovate-lanceolate, sessile, the lower entire, the others 

 with an oblong-lanceolate lobe on each side at the base ; flowers nearly sessile 

 in the axils, 1.5-2 cm. long. — Low grounds and prairies, Pa. to Minn., s. to N. C. 

 and Kan. 



7. G. densiflbra Benth. More hispid and rough, very leafy ; leaves rigid, 

 pinnately parted into 3-7 narrowly linear acute divisions, those subtending the 

 densely spicate flowers similar and crowded; corolla 2-3 cm. long. — Prairies, 

 e. Kan. to Tex. 



§ 3. EUGERARDIA Benth. Corolla p)urple or rose-color (rarely white) ; 

 calyx-teeth short ; anthers alike, nearly pointless, pubescent ; cauline leaves 

 linear or narrower, entire. 



* Perennial ; leaves erect, very narrow ; pedicels erect, as long as floral leaves. 



8. G. linifolia Xutt. Glabrous, 6-9 dm. high, sparingly or paniculately 

 branched ; leaves flat, thickish, 2-3 mm. wide ; calyx-teeth minute ; corolla 

 2.5 cm. long, minutely pubescent outside, villous within and the lobes ciliate ; 

 anthers and filaments very villous. — Low pine barrens, Del. to Fla. 



* * Annuals; herbage bldckish in di"ying (except in nos. 15 and 17). 



H- Pedicels little if at all longer than the calyx and capsule. 



++ Capsule ellipsoid, distinctly longer than thick. 



0. G. aspera Dougl. Sparingly or soraev.^hat fastigiately branched, 3-6 dm. 

 high ; leaves linear, rough ; pedicels often alternate, equaling or moderately 

 exceeding the calyx ; calyx-teeth triangular-lanceolate, about half as lung a.s 

 the tube ; corolla 1.8-2.6 cm. long. — Plains and prairies, Mich, and w. Ind. to 

 N. Dak., Col., and Ark. 



++ -M- Capsule subglobose. 



— Flowers large ; corolla 2.3-3.1 cm. long. 



10. G. fasciculata Ell. Tall, 6-12 dm. high ; stem subterete, scahrous-puberu- 

 lent; brawlu'S virgate, elongated, ascending, subfastigiate. mostly 10-16-^o?'> 

 ered; leaves narrowly linear, with smaller ones fasicled in their axils; pedicels 

 shorter than the calyx ; corolla about 2.5 cm. long, purple. — Sandy fields, low 

 meadows and shores, Va. to Fla. and Tex. 



