398 PLOKA OF TEXAS. 



MACRANTHERA, Torr. 



Calyx 5-cleft, the lobes elongated; corolla cylindrical, 

 5-toothed, the teeth reflexed; stamens 4, equal, long-ex- 

 serted, woolly; anthers large, oblong, approximate; style 

 simple, filiform, elongated; stigma minute, flat; capsule 

 ovate, loculicidftlly 2-valved, many-seeded. — A tall hiennialf 

 with pinnatifid opposite leaves, and showy orange-colored 

 fioioers, in terminal leafy racemes. 



M. FUCHSioiDES, Torr. Smoothish; stem branching, 

 4-sided; earliest leaves ovate-oblong, entire, those of the 

 stem lyrate-pinnatifid, with the lobes denticulate, the upper- 

 most toothed-serrate ; pedicels slender, recurved, the upper 

 ones longer than the floral leaves ; flowers erect ; calyx-lohes 

 lanceolate, denticulate, rather shorter than the corolla. — 

 Var. Lecontei has the shorter and narrower lobes of the 

 calyx entire. Stem 3°-5° high ; earliest leaves 6-8' long, 

 those of the stem 2-4' long; corolla 9"-12" long. The 

 plant turns black in drying. 



DASYSTOMA. {See page 454.) 



GERARDIA, L. 



Calyx bell-shaped, 5-toothed, the teeth short, acute, en- 

 tire ; corolla tubular-bell-shaped, 5-lobed, the lobes rounded, 

 spreading, the throat oblique ; stamens 4, didynamous, the 

 longer ones commonly woolly ; anthers woolly, connivent in 

 pairs, the cells diverging and pointed at the base ; style 

 slender, dilated, and flattened upward ; capsule ovoid or 

 globose, smooth, loculicidal ; seeds numerous, angled, reticu- 

 lated. — Chiefly slender branching a^muals ; leaves opposite, 

 or rarely alternate, narrow, entire ; flowers in the axils of 

 the upper leaves, showy, purple; the tul)e of the corolla 

 mostly dotted with red and yellow, often woolly at the 

 throat. 



* Perennial. 



G. LiNiFOLiA, Nutt. Smooth ; branches elongated, erect ; 



