318 SCROPHULARIACE^E. (FIGWORT FAMILY.) 



icels long (!'- 1-J'), spreading or recurved ; calyx lobes rather longer than the 

 tube, entire ; corolla 1^' long. Mountains of Georgia and Tennessee. August. 



6. 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. Dry sandy 

 soil, chiefly in the upper districts. July -August. 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. 



7. D. pectinata, Beiith. Pubescent or somewhat villous ; leaves lance- 

 olate or ovate-lanceolate, finely pinuatifid and toothed, the earliest ones en- 

 tire ; flowers alternate ; calyx longer than the pedicel ; the pinnatifid lobes 

 longer than the tube. Dry pine barrens, Florida to North Carolina. August 

 Sept. (|) Stem 2 -4 high, widely branched. Corolla \\' long, with a 

 wider tube and larger lobes than the last. 



22. GERARDIA, L. 



Calyx bell-shaped, 5-toothed ; the teeth short, acute, entire. Corolla tubu- 

 lar-bell shaped, 5-lobed, the lobes rounded, spreading ; the throat oblique. 

 Stamens 4, didynamous, the longer ones commonly woolly : anthers woolly, 

 couuivent in pairs ; the cells diverging and pointed at the base. Style slender, 

 dilated, and flattened upward. Capsule ovoid or globose, smooth, locnlicidal. 

 Seeds numerous, angled, reticulated. Chiefly slender branching annuals. 

 Leaves opposite, or rarely alternate, narrow, entire. Flowers in the axils of 

 the upper leaves, showy, purple ; the tube of the corolla mostly dotted with 

 red and yellow, often woolly at the throat. 



* Perennial. 



1. G. linifolia, Nutt. Smooth; branches elongated, erect ; leaves erect, 

 linear ; peduncles as long as the leaves, or the uppermost longer ; calyx trun- 

 cate, with minute teeth ; lobes of the corolla nearly equal ; capsule large 

 (3" wide), globose. Low pine barrens, Florida to North Carolina, and west- 

 ward. Sept. Stem 2 -3 high. Leaves 1' long. Corolla 1' long, pubescent. 



* * Annuals. 



<- Corolla small, the 2 upper lobes short, truncate and erect. 



2. G. divaricata, Chapm. Stem 6' -12' high, smooth, widely branched 

 from the base ; leaves all opposite, spreading or reflexed, filiform, roughish on 

 the margins, ' long, the uppermost minute ; pedicels setaceous, spreading, 

 the upper ones 4-5 times as long as the leaves ; calyx teeth subulate ; corolla 

 \' long ; capsule ovoid. Low sandy pine barrens, West Florida. Sept. 



3. G. filicaulis, Chapm. Stem 6' -12' long, filiform, reclining, smooth 

 and glaucous; branches alternate, setaceous; leaves minute, 1" long, subu- 

 late ; flowers few, terminal ; calyx teeth triangular ; corolla 4" - 3" long, 

 compressed ; capsule globose. Low grassy pine barrens, West Florida. Sept. 



-i- -i- Lobes of the corolla nearly equal, spreading. 



i-i- Pedicels as long, or twice as long, as the calyx, shorter than the leaves 



(except No. 4). 



4. G. aphylla, Nutt. Stem 2 -3 high, smooth, 4-angled, sparingly 

 l.ranclied near the summit ; leaves minute, 1" long, subulate, appressed ; flowers 



