292 SCKUrHULAKIACKA;. (KIGWOUT I-AMILV.) 



* * Stems tinle, siwcrilent, crevp'nuj : leaves orate or rottmlish, entire: exterior calyx- 

 IiiIms iiinUtte or ovate : peduncles 2-f>rurltd at the apex. 



3, H. Monnieria, Kumh. Smooth; Ktems dirtuse, crccpiii}^ ; k-avea 

 fleshy, wc'dgo-obovatc, entire or obscurely crenate; corolla bell-sliuped, with the 

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

 lobes ovate. (H. euneifolia, Pursh.) — Ditches and muddy banks along tlie 

 coast, Florida to North Carolina, and westward. Tune - Scj)!. 1| — Stem 1° 

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



4. H. amplexicaulis, Pursh. Stem villous, ascending from a crci'])ing 

 base; leaves smootliisb, (jvate, 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 A<rsA.) — Pine-barren ponds, 

 Florida to North Carolina, and westward. July- Sept. IJ." Flowering stems 

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



8. GRATIOLA, L. IIedge-Hvssop. 



Calyx 5-partod, tlie lobes nearly ((lual, narrow. Corolla bilabiate, with the 

 upper li|) entire or emarginate, the hnver 3-cleft. Fertile stamens 2, included, 

 tiic anterior ones sterile or wanting. Stigma 2-li])])e(l. Capsule 4-valved, many- 

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

 or yellow flowers. Calyx mostly 2-bracted. 



* Connective of the anthers dilated, the cells transvei'se : stems lender: jlowers 



peduncled. 



+- 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 uj)per 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 pctiolcd ; peduncles filiform, longer than the leaves ; lobes of the 

 corolla emarginate. white ; the slender yellowish tube three times as long as the 

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

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



3. G. sphaerocarpa, 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 |^'long. 



