21t8 SCROPIIUI.AUIACK-K. (fIOWOIIT KAMIIV.) 



18. OTOPHYLLA, J'., mh. 



Calyx (li'oply 5-(kfi ; tiic lolics IcalV, iimiiual. Tiilii.' of llii^ corolla dilnted 

 upwiinl, sparsc-liairy within, the lobes broad and entire. Stainen.s 4, didyna- 

 moiis, included: anthers oblong, awiile.s.s ; those of the sliorter stamens much 

 smaller. Style elongated, dilated and flattened at the aj)ex, entire. Capsule 

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



1. O. Michauxii, Bcnth. 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, MiJix.) — Low ground, Ten- 

 nessee, North Carolina, and northward. Aug. ^? — Stem riyiJ, i^" liigk 

 Leaves l'-2' long. Corolla 9" - 12" long, purple. 



19. DASYSTOMA, llaf. False Foxr.i.ovE. 



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

 shapcd, woolly within, .5-lol)ed, the lobes rounded. Stamens 4, didynanious •. 

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

 ened and slightly 2-lobcd at the apex. Capsule ovate, acute, loeulicidally 2- 

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

 nately divided or lobcd leaves, and large yellow flowers in a leafy raceme. F'l- 

 aments woolly. 



1. D. pubeseens, Bcnth. Pubescent; leaves oblong, obtuse, entire, or 

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

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

 northward. July - Sept. 1]. — Stem 2° -4° high, mostly simple. Leaves 

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



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

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

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

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

 Florida to Mississippi, and northward. July - Sept. IJ. — 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, Bcnth. Smooth or somewhat pubescent ; leaves 

 ovatc-hmceolatc, jjinnatifid ; 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. peetinata, 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. (g) — 



