Gratiola. SCROPHULARIACEiE. 281 



HYDRANTHtLir^r Egen'se, Poepp. of Brazil, with aspect of Herpestis, was picked up in 

 New Orleans by tlie late J. Hale, and is enumerated in Mann's Catalogue, also by Chapman 

 in Bot. Gazette, iii. 10 : but it is probably a ballast waif and transient. 



§ 2. Corolla obscurely bilabiate ; the limb being almost equally 5-lobed ; tube 

 somewhat campanulate : stamens hardly didynamous : anthers sagittate : stigma 

 capitate. — Sramia, Lam.. % Uramia, Jieath. , 



>■ H. Monniera, HBK. Glabrous perennial, prostrate and creeping, somewhat fleshy : 

 leaves spatulate to obovate-cuneate, entire or obsoletely somewhat toothed, sessile (4 to 8 

 lines long), nearly veinless: pedicels at length longer than the leaves, 2-bracteolate at 

 apex: upper sepal ovate: corolla (4 or 5 lines long) pale blue. — Hook. Bot. Mag. t. 2577. 

 H. cuneifoUa, Pnrsh, Fl. ii. 418. II. Broumei, Nutt. Gen. ii. 42. Gratiola Monniera, L. 

 Monniera cuneifoUa, Mich.x. 1. c. — River-banks and shores near the sea, Maryland to 

 Texas. (Cosmopolite near the tropics.) 



17. G-RATIOLA, L. Hedge Hyssop. (From the Latin gratia, grace 

 or favor, i. e. Herb-of -grace.) — Low herbs, of wide distribution ; with opposite 

 and sessile entire or dentate leaves, and solitary axillary pedicels, usually 2-brac- 

 teolate under the calyx : fl. summer. 



§ 1. Gr.a.tiolXria, Benth. Anther-cells transverse and separated by a mem- 

 branaceous dilated connective : capsule ovate or globular : soft-herbaceous and 

 diffusely branching, either annuals or fibrous-rooted perennials from a creeping 

 base, growing in wet soil. 



* Sterile stamens -n-anting or reduced to minute rudiments. 

 ■)— Calyx ebraeteolate : Pacific species. 

 G. ebraoteata, Benth. A span high or less, erect, nearly glabrous, obscurely viscid : 

 leaves lanceolate, entire, or sometimes sparingly and acutely denticulate : pedicels slender, 

 in fruit strict : sepals foliaceous, 3 or 4 lines long, equalling the yellowish corolla, mostly 

 surpassing the globular and somewhat 4-angled capsule ; seeds oblong. — DC. Prodr. x. 

 595; Gray, Bot. Calif, i. 570. — Oregon and N. California. 



-i^ -i— A pair of fuliaceous bractlets close to the calyx and equalling it : Atlantic species, one 

 exteudiii;^ westward to the Pacific. 



++ Pedicels filiform, equalling or exceeding the leaves: seeds oblong or oval. 



= Corolla golden yellow : capsule ovate-conical, acute, much exceeding the reflexed or spreading 

 calyx. 



G. pusilla, Torr. Minutely viscid, almost glabrous, slender, 2 or 3 inches high : leaves 

 oblong-linear, obtuse, entire (IJ to 4 lines long): corolla 4 lines long; lobes retuse or 

 emarginate : capsule 2 lines long : seeds comparatively large, obliquely obovate-oblong. — 

 Benth. in DC. Prodr. x. 402. — Arkansas and the adjacent parts of Texas, Leavenworth, 

 Wriijlit, &c. 



== = Corolla yellowish or wliitish, commonly with a tinge of purple : capsule broadly or globose- 

 ovate, equalled by the calyx. 



G. gracilis, Benth. 1. c. Glabrous or nearly so, small and slender, erect : leaves from 

 oblong- to linear-lanceolate, entire or sparingly dentate : corolla 3 lines long : capsule 

 globular, but acutish. — E. Texas, Drummond, &c. Little known. 



Q. Ploridana, Nutt. Glabrous or nearly so, erect, a span or two high : leaves oblong- 

 lanceolate or broader, entire or repand, sometimes remotely dentate, narrow at base (an 

 inch long) : corolla 8 lines long, with yellowish tube 2 or 3 times the length of the calyx, 

 and the rather large white lobes all emarginate: capsule broadly ovate. — Jour. Acad. 

 Pliilad. vii. lOo ; Benth. in DC. 1. c. (with var.? intermedia, a,toTm verging to next species) ; 

 Chapm. Fl. 292. — Florida, Georgia, and Alabama. Tennessee, Gattinger. 



Q._ Virginiana, L. Viscid-pubemlent or more pubescent, or below nearly glabrous, 

 divergently branched from the base, a span or less' high: leaves commonly glabrous, 

 oblono-Janceolate, acute, from entire to denticulate-serrate, mostly narrow at base (the 

 larger an inch or two long) : coroUa 4 or 5 lines long, with yellowish tube barely twice the 



