SCROPHULARIACE^E. (FIGWORT FAMILY.) 299 



Stem 2 -4 high, widely branched. Corolla l' long, with a wider tube and 

 larger lobes than in No. 3. 



20. GERARDIA, L. 



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

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

 4, diclynamous, 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 nu- 

 merous, angled, reticulated. Chiefly slender branching annuals. Leaves oppo- 

 site, 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 truncate, 

 with minute teeth ; lobes of the corolla nearly equal, fringed on the margins ; 

 capsule large (3" wide), globose, one third longer than the calyx. Low pine 

 barrens, Florida to North Carolina, and westward. Sept. Stem 2 -3 high. 

 Leaves 1' long. Corolla 1' long, pubescent. 



* * Annuals. 



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



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

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

 the margins, 1' long ; the uppermost minute ; pedicels all opposite, setaceous, 

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

 one third as long as the tube ; corolla ' long, the lobes ciliate ; capsule ovoid, 

 twice as long as the calyx. Low sandy pine barrens. West Florida. Sept. 



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

 cous ; branches alternate, setaceous; leaves minute, 1" long, subulate, rough; 

 flowers few, terminal ; calyx-teeth triangular, one fourth the length of the tube ; 

 corolla 4" - 5" long, compressed, the lobes slightly fringed ; capsule globose, 

 one third longer than the calyx. (G. aphylla, var. filicaulis, Benth.?) Low 

 grassy pine barrens, West Florida. Sept. 



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

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



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

 branched near the summit; leaves minute, l"long, subulate, appressed; flowers 

 mostly alternate, on one side of the spreading branches ; pedicel as long as the 

 calyx ; calyx-teeth minute, obtuse ; corolla ' long, hairy within, the upper lobes 

 reflexed ; capsule globose, 2" long, twice as long as the calyx. Low sandy pine 

 barrens, Florida to North Carolina, and westward. Sept. 



5. G. purpurea, L. Stem l-3 high, smooth, the branches elongated j 

 leaves opposite, broadly or narrowly linear, rough above, 1'- l' long; flowers 

 opposite or nearly so, the stout pedicels as long as the calyx ; calyx-teeth con- 



