298 SCROPHULARIACE^E. (FIGWORT FAMILY.) 



18. OTOPHYLLA, Benth. 



Calyx deeply 5-cleft ; the lobes leafy, unequal. Tube of the corolla dilated 

 upward, sparse-hairy within, the lobes broad and entire. Stamens 4, didyna- 

 mous, included : anthers oblong, awnless ; those of the shorter stamens much 

 smaller. Style elongated, dilated and flattened at the apex, entire. Capsule 

 sub-globose, loculicidally 2-valved, many-seeded. 



1. O. Michauxii, Benth. Hairy; stem erect, simple; leaves opposite, 

 lanceolate, entire, sessile ; the upper ones mostly 2-eared at the base ; flowers 

 opposite, in a leafy spike. (Gerardia auriculata, Michx.) Low ground, Ten- 

 nessee, North Carolina, and northward. Aug. 1 Stem rigid, 2 high. 

 Leaves 1 ' - 2' long. Corolla 9" - 1 2" long, purple. 



19. DASYSTOMA, Kaf. FALSE FOXGLOVE. 



Calyx bell-shaped, 5-cleft, the lobes often toothed. Corolla tubular-bell- 

 shaped, woolly within, 5-lobed, the lobes rounded. Stamens 4, didynamous : 

 anthers oblong ; the cells parallel and awned at the base. Style filiform, thick- 

 ened and slightly 2-lobed at the apex. Capsule ovate, acute, loculicidally 2- 

 valved, many-seeded. Tall herbs, with opposite ovate or oblong mostly pin- 

 nately divided or lobed leaves, and large yellow flowers in a leafy raceme. Fil- 

 aments woolly. 



1. D. pubescens, Benth. Pubescent; leaves oblong, obtuse, entire, or 

 the lowest ones pinnatifid ; calyx longer than the pedicel, with oblong obtuse 

 lobes. (Gerardia flava, L.) Dry woods in the upper districts, Georgia, and 

 northward. July - Sept. 1J. Stem 2 - 4 high, mostly simple. Leaves 

 narrowed into a short petiole. Corolla 1^' long. 



2. D. quercifolia, Benth. Smooth and glaucous ; stem simple or 

 branched ; lowest leaves twice-pinnatifid ; the others pinnatifid, or the uppermost 

 lanceolate and entire ; calyx shorter than the pedicel, with lanceolate or subulate 

 acute lobes. (Gerardia quercifolia, Pursh.) Rich woods and river-banks, 

 Florida to Mississippi, and northward. July - Sept. ty Stem 3 - 6 high. 

 Lobes of the leaves toothed. Corolla 2' long, the tube more slender and with 

 smaller lobes than the preceding. 



3. D. pedicularia, Benth. Smooth or somewhat pubescent; leaves 

 ovate-lanceolate, pinnatifid ; the lobes finely toothed ; flowers opposite ; calyx 

 shorter than the pedicel; the toothed lobes as long as the tube. (Gerardia pe- 

 dicularia, L.) Dry sandy soil, chiefly in the upper districts, Mississippi to 

 North Carolina, and northward. July and Aug. Stem 2 high, much branched. 

 Leaves about 2' long, the lobes numerous and short. Corolla 12" -15" long, 

 with a rather slender tube and short lobes. 



4. D. pectinata, Benth. Pubescent or somewhat villous ; leaves lanceo- 

 late or ovate-lanceolate, finely pinnatifid and toothed ; the earliest ones entire ; 

 flowers alternate, scattered on the outside of the ascending branches ; calyx 

 longer than the pedicel ; the pinnatifid lobes longer than the tube. Dry sand- 

 ridges in the pine barrens, Florida to North Carolina. Aug. and Sept. (2) 



