730 SCROPHULARIACEAE (FIGWORT FAMILY^ 



Var. serrata (Torr.) Robinson. The upper leaves oblong, merely serrate 01 

 even quite entire. (Var. integriuscula 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 with a fine close 

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

 obtuse, entire, or the lower 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- -i- Stem glabrous. 



4. G. virginica (L.) BSP. (SMOOTH FALSE FOXGLOVE.) Glaucous, 1-2 m. 

 high, usually branching; lower 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 southw. 



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 Michx. 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 purple 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. linifblia Nutt. 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 blackish in drying (except in nos. 15 and 17). 



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



w Capsule ellipsoid, distinctly longer than thick. 



9. G. spera Dougl. Sparingly or somewhat 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 long as 

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

 N. Dak., Col. , and Ark. 



*- *-*. Capsule subglobose. 



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



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

 lent; branches virgate, elongated, ascending, subfastigiate, mostly \Q-\G-flow- 

 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. 



