292 SCROPHULARIACE^. (kIGWORT FAMILV.) 



* * Stems terete, succulent, creeping : leaves orate or roundish, entire: exterior calyx- 

 lolics cordate or orate : peduncles 2-bracted at the apex. 



3. H. Monnieria, Kunth. Smooth ; stems diffuse, creeping ; leaves 

 fleshy, wedge-obovate, entire or obscurely crenate ; corolla bell-shaped, with the 

 roimded lobes nearly equal ; peduncles as long as the flowers ; exterior calyx- 

 lobes ovate. (H. cuneifolia, Pursh.) — Ditches and muddy banks along the 

 coast, Florida to North Carolina, and westward. -Tune -Sept. Ij. — Stem 1° 

 - 2° long. Leaves 1' long. Corolla white or pale blue. 



4. H. amplexicaulis, Pursh. Stem villous, ascending from a creeping 

 base ; leaves smootiiish, ovate, cordate and clasping, obtuse ; peduncles shorter 

 than the flowers ; exterior calyx-lobes cordate ; base of the ovary surrounded by 

 a 12-toothed disk. (H. rotundifolia, ^//., not of PwrsA.) — Pine-barren ponds, 

 Florida to North Carolina, and westward. July- Sept. U — Flowering stems 

 6'- 8' high. Leaves i' long, crowded. Flowers blue. Plant odorous. 



8. GRATIOLA, L. Hedge-Hyssop. 



Calyx .5-partcd, the lobes nearly equal, narrow. Corolla bilabiate, with the 

 upper lip entire or cmarginate, the lower 3-cleft. Fertile stamens 2, included, 

 the anterior ones sterile or wanting. Stigma 2-lipped. Capsule 4-valved, many- 

 seeded. — Low perennial herbs, witli opposite leaves, and solitary axillary white 

 or yellow flowers. Calyx mostly 2-bracted. 



* Connective of the anthers dilated, the cells transveise : steins tender : Jloicers 



peduncled. 



-I- Sterile stamens minute or none. 



1. G. Virginiana, L. Stem branching from the base, glandular-pubes- 

 cent above ; leaves lanceolate, acute, sparingly serrate, sessile, the lower ones nar- 

 rowed at the base ; peduncles slender, the upper ones longer than the leaves ; 

 corolla white, with the yellowish tube twice as long as the calyx ; capsule ovate, 

 acute. — Muddy banks and ditches, Florida to Mississippi, and northward. 

 April and May. — Stem 6'- 12' high. Leaves 1' long. Corolla 5" - 6" long, 

 hairy within. 



2. G, Floridana, Nutt. Stem simple or branched, smooth ; leaves lance- 

 olate or oblong, obtuse, entire or nearly so, narrowed at the base, sessile, the 

 lowest slightly potiolcd ; peduncles filiform, longer than the leaves ; lobes of the 

 corolla emarginate, white ; the slender j-ellowish tube three times as long as ihe 

 calyx. — Muddy banks of the Chipola River, West Florida. April. — Stem 

 1° high. Loaves 1' long. Corolla 8" long. Capsule globose. 



3. G. sphserocarpa, Ell. Smooth ; stem thick, ascending, branching at 

 the base ; leaves oblong or lance-oblong, serrate above, narrowed and entire 

 towards the base, sessile, the lowest mostly obovate ; peduncles thick, shorter 

 than the leaves, sometimes shorter than the calyx ; corolla white, the tube twice 

 as long as the calyx ; capsule globose. — Springs and branches, Florida to 

 South Carolina, and westward. March - May. — Stem 4' -12' high. Leaves 

 1' long. Corolla i' long. 



