524 ORDER 86. SCROPHULARIACE^E. 



at margin. Herbs with opposite Ivs. Ped. axillary, 1-flowered, usu- 

 ally bibracteolate near the calyx. 



Flowers sessile. Cells of anthers vertical. Plants rigid, bristly-hairy Nos. 7, 8 



Flowers pedunculate. Anther cells transverse. Plants smooth or viscid (a). 



a Sterile filaments none, or very minute and pointed Nos. 1 8 



a Sterile filaments thread-like, tipped with a small head Nos. 4 6 



1 G. Virginiana L. St. ascending, branched ; Ivs. lanceolate, sparingly toothed 

 ped. as long or longer than the leaves ; cor. twice longer than the calyx ; sterile fil 

 none . if U. S. and Can. Stem 4 8' high, more or less pubescent, round, de- 

 clining, and branching at base. Leaves 1 2' long, and as wide, smooth, lan- 

 ceolate, sessile, dentate or nearly entire near the ends, subconnate or amplexicaul. 

 Cor. white or pale-yellow, twice longer than the calyx or the 2 bracts. JL 



2 G. Floridana Nutt. St. erect, branched; Ivs. lanceolate, few-toothed; ped. 

 longer than the leaves ; cor. 4 times longer than the calyx ; sterile fil. none ? (^j 

 Dry soils, fields, &c., Ala. and Fla. Plant 6 to 9' high, with the appearance of G. 

 Virginiana, but smaller Ivs. and larger fls. Lvs. hardly 1' lon^g. Ped 1' to 18" 

 long. Bractlets scarcely as long as sepals. Cor. 7" long, tube yellow within, 

 limb rose color. 



3 G. sphaerocarpa Ell. Glabrous, ascending, branched ; Ivs. lanceolate-ovate, 

 attenuate to the base, sparingly toothed ; ped. scarcely longer than the calyx. Low 

 grounds, "Western States to Ga. Plant a few inches high, differing from the last 

 chiefly in the short peduncles, round capsules, broader leaves, &c. Flowers 

 whitish, 5 6" long. Jn. (G. Caroliniensis Le Conte.) 



4 G. aurea Muhl. Smooth ; Ivs. oblong-lanceolate, subentire, clasping ; ped. as 

 long as, or longer than the leaves ; cor. yellow ; sterile fil. 2, short. A small, 

 perennial herb, 6 to 8' high, in muddy places, Mass, to Fla. St. declining and 

 rooting at the base, quadrangular, simple or branching. Lvs. sessile, a little 

 clasping, smooth, punctate, acute or nearly so, often with a few teeth near the 

 end. Fls. golden yellow, axillary, alternate, on slender stalks. Fil. 4, adhering 

 to the corolla, 2 of them minute, sterile. " Aug. 



5 G. viscdsa Schwein. Viscid-pubescent, ascending ; Ivs. lance-ovatejor oblong, 

 clasping, acute, 3-veined, acutely serrate; ped. longer than the leaves; bractlets 

 (2) and sepals (5) twice shorter than the (white) corolla tube, twice longer than 

 capsule. If Wet places, N. Car., Ky., to Fla. and La. St. simple, obtusely 

 angled, 9 to 12' long. Lvs. 6 to 9" long, teeth slender. Ped. 1'. Cor. white, 

 tube yellow within. (G. Drummondii Benth.) 



ft. DRUMMONDII. Sepals and bractlets subulate, thrico longer than the capsule. 

 La. (Hale.) 



6 G. ramosa Walt. Glabrous or viscid-puberulent ; st. ascending from a pros- 

 trate base, terete; Ivs. linear-acute, with few teeth near the summit; bractkts min- 

 ute or none ; sepals linear ; sterile fil. filiform. If Muddy shores, S. Car. to Fla. 

 Sts. simple or branched from the creeping base. Lvs. 6 to 9'' long, 1 to 2" wide, 

 with 2 or 4 teeth. Ped. nearly equaling the leaves. Cor. white, yellow within. 

 May Jl. (G. quadridentata MX.) 



7 G. pilosa MX. Erect, hispid; Ivs. ovate, few-toothed, clasping, rugous; cor- 

 tube scarcely longer than the calyx. ^ Can. to Fla. and La., in wet places. 

 Plant If high, rough with stiff, white hairs. Lvs. 6 to 8" long, 3 to 5'' broad, 

 irregularly 3-veined. FJs. sessile, shorter than the leaves, white. Jl. Sept. 



8 G. subulata Baldw. Erect, hispid ; Ivs. linear or lance-linear, margins revc- 

 lute, entire ; cor. tube slender, thrice longer than the calyx. %- Damp sandy places, 

 Ga. (Feay, Pond), Fla. (Mettauer, Chapman, &c.) Plant generally much branched, 

 5 to 8' high. Lvs. 5 to 8" long, rigid, distant, 1 or often densely imbricated. 

 Cor. tube 4'' long, persistent and recurved after flowering. Sept., Oct. 



18. ILYSANTHES, Raff. (Gr. Uvf, mud, avdo^ flower.) Calyx 5- 

 parted ; cor. upper lip short, erect, bifid, lower lip larger, spreading, trifid ; 

 sta. 2 fertile ; 2 sterile fil. forked, one of the divisions glandular, obtuse, 

 the other acute, or rarely with half an anther ; caps, ovate or oblong, 

 about equaling the calyx. With opposite Ivs., and axillary, 1-flowered 

 ped., resembling Gratiola in habit. (Lindernia, L.) 



