208 SCROPIIULARIACE.E. (riGWORT FAMILY.) 



18. OTOPHYLLA, Bcnth. 



Calyx (If-cply 5-clcft; t!>c lobes Icafv, uiicciuul. Tube of the corolla dilated 

 upward, sjiarse-luiiry within, the lobes broad niul entire. Stamens 4, didyna- 

 mons, included: anthers oblong, awnless ; those of tiie shorter stamens much 

 smaller. Stylo elongated, dilated and flattened at tlic apc.x, entire. Capsule 

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



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

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

 opposite, in a leafy spike. (Gerardia auriculata, J/zWix. ) — Low ground, Ten- 

 nessee, North Carolina, and northward. Aug. g) ? — tttcm n^ld, H'^ Ligk. 

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



19. DASYSTOMA, r.af. False Foxglove. 



Calyx bell-shaped, S-cleft, the lobes often toothed. Corolla tulmlar-bell- 

 8ha]H-d, woolly within, 5-lohed, the lobes rounded. Stamens 4, didynamous : 

 anthers oblong; the cells parallel and awncd at the base. Style fl 11 form, thick- 

 ened and slightly 2-lobcd at the ai)ex. Capsule ovate, acute, loculicidally 2- 

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

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

 aments woolly. 



1. D. pubescons, Bcnth. Pubescent; leaves oblong, ohtu=o, entire, or 

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

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

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

 narrowed into a short jjctiole. Corolla IV long. 



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

 branched; lowest leaves twice-])innatifid ; the others pinnatifid, or the u])pcrmost 

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

 acute lobes. (Gerardia quercifolia, Pum/i.) — Ivieh woods and river-banks, 

 Florida to Mississippi, and northward. July- Sept. y. — Stem 3°- G° hi;;h. 

 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, pinnatiiid; the lobes finely toothed; flowers op|)Osite ; calyx 

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

 dicularia, A.) — Dry sandy soil, chiefly in the ui)i)er districts, iSlis-issippi to 

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

 Leaves about 2' long, the lobes numerous and short. Corolla 1:;"- 1:")" long, 

 with a rather slender tube and short lobes. 



4. D. pOCtinata, B'nth rnlicsccnt or somewhat villous ; leaves lancco- 

 I.itc or ovute-hinccohite, (iiiely pinnatifid and toothed; the earliest ones entire; 

 flowers alternate, sciutered on the outside of the ascending brain lies ; calyx 

 lontrcr thnn the pcdiec] ; the pinnatifid lobes longer than the tube. — Dry .sand- 

 ridges in the pine barrens, Florida to North Carolina. Aug. and Sept. (g, — 



