454 FLORA OF TEXAS. 



F. LIGUSTRINA, Poir. More or less pubescent ; the 

 hrancldets roughened with fine tubercles ; leaves rather 

 membranaceous, obovate or obovate-oblong, mostly obtuse, 

 serrulate (1' long), contracted at the base into a distinct 

 petiole ; drupe oval-oblong. Rocky banks. 



DASYSTOMA, Raf. False Foxglove. {See page 398.) 



Calyx bell-shaped, 5-cleft, the lobes often toothed ; coroUa tubular- 

 bell-shaped, woolly within, 5-lobed, the lobes rounded ; stamens 4, 

 didynamous ; anthers oblong ; the cdls parallel and awned at the 

 base ; style filiform, thickened and slightly 2-lobed at the apex ; cap- 

 sule ovate, acute, loculicidally 2-valved, many-seeded. — Tall Jierbs, 

 with opposite ovate or oblong mostly pinnately divided or lobed 

 leaves, and large yellow flawers in a leafy raceme ; filaments woolly. 



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. Stem 3°-6° high. Lobes of 

 the leaves toothed ; corolla 2' long, the tube more slender and with 

 smaller lobes than the preceding. 



D. PEDicuLARiA, Benth. Smooth or somewhat pubescent ; leaves 

 ovate -lanceolate, pinnatifid, the lobes finely toothed ; flowers oppo- 

 site ; calyx shorter than the pedicel, the toothed lobes as long as the 

 tube. (Gerardia pedicularia, L.) Dry sandy soil, chiefly in the up- 

 per districts. 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. 



D. PECTINATA, Benth. Pubescent or somewhat villous ; leaves 

 lanceolate 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. 



