300 SCROPHULAKIACEjE. (riGWORT FAMILY.) 



Bpicuous, triangular, sometimes half as long as the tube, spreading; corolla 8" 

 -10" long, the lobes minutely fringed; capsule globose, one third longer than 

 the calyx. — Low ground, Florida to Mississippi, and northward. Sept. 



Var. fasciculata. Stem taller (3° -5°), much branched above, rough; 

 leaves rough on both sides, clustered, the uppermost, lilse the flowers, alternate ; 

 calyx-teeth more pointed ; corolla larger. ( G. fasciculata, EU.) — Brackish soil, 

 along the coast, Florida to South Carolina. 



6. G. maritima, Eaf Smooth; stem 8'- 16'high,4-angled, with numer- 

 ous short and leafy branches near the base ; leaves fleshy, linear, obtuse, oppo- 

 site, the upper ones small and remote ; pedicels as long as the calyx and the 

 floral leaves ; calyx-teeth short, obtuse ; corolla 6" - 8" long, slightly oblique 

 at the throat, the upper lobes fringed, and villous within ; capsule globose, twice 

 as long as the calyx. — Salt marshes, Florida, and nortlnvard. 



Var. major. Stem 2° high, much branched ; leaves flat, acute ; floral leaves 

 longer than the pedicels ; calyx-teeth triangular, acute ; corolla and capsule 

 larger. — Brackish marshes, Apalachicola, Florida. — Corolla 1' long. 



7. G. setacea, Ell. Very smooth ; stem 1° - 2° high, much branched, 

 slender ; leaves 1' long, setaceous, opposite ; pedicels stout, club-shaped, 

 three times as long as the calyx, mostly alternate, or terminating the seta- 

 ceous peduncle-like branchlets ; calyx-teeth short, subulate ; corolla 1 ' long, 

 woolly within, the rounded lobes thickly fringed ; capsule ovoid, barely ex- 

 ceeding the calyx. (G. Plukenetii, Ell. ?) — Damp or dry sandy pine ban-ens, 

 Florida to South Carolina. Sept. 



-M- ++ Pedicels much longer than the calyx, commonhj longer than the leaves. 



8. G. tenuifolia, Vahl. Stem smooth, 1°-1^° high, much branched; 

 leaves linear, smooth, or rough on the margins, 1 ' - 1 J' long ; pedicels filiform, 

 about as long as the leaves, opposite ; calyx-teeth broadly subulate, i as long 

 as the tiibe ; corolla Y long ; capsule globose, as long as the calyx. — Var. riLl- 

 FOKMis. Stem and pedicels rough ; leaves filiform, clustered ; corolla larger 

 (I' long). — Light soil, Florida to Mississippi, and northward. Sept. 



9. G. fllifolia, Nutt. Stem l°-2° high, much branched, smooth ; leaves 

 very numerous, all alternate and clustered, smooth, fleshy and somewhat club- 

 shaped ; pedicels alternate, twice as long as the leaves ; calyx-teeth subulate, 

 one fourth the length of the 5-angled tube ; corolla |' long ; capsule ovoid, as 

 long as the calyx. — Low sandy pine barrens, Georgia and Florida. Sept. 



10. G. parvifolia. Stemrongh, striate, 12' -18' high, the slender branches 

 erect ; leaves 4" - 6" long, opposite or alternate, linear, very rough, rather ob- 

 tuse ; pedicels filiform, 2-4 times as long as the minute floral leaves ; calyx- 

 teeth minute, obtuse; corolla J' long, pale purple or white. (G. setacea, var. 

 parvifolia, Benlh.1) — Grassy margins of ponds, Florida, and westward. Sept. 

 — Unlike the other species, this remains unchanged in drying. 



21. CASTILLBIA, L. 



Calyx tubular, compressed, cleft at the summit ; the lobes entire or 2-cleft. 

 Tube of the corolla included in the calyx ; the upper lip long, narrow, curved. 



