S24 Order 86.— SCROPHULAEIACEjE. 



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

 ally bibracteolat9 near the calyx. 



S Flowers sessile. Cells of anthers vorticaL 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 — fl 



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

 ped. as long or longer than the leaves; cor. twice longer tlian the calyx;- sterile fiL 

 none. — 1i XJ. S. and Can. Stem 4 — 8' high, more or less pubescent, round, de- 

 clining, and branching at base. Leaves 1 — 2' long, and J 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 caiyx ; sterile fiL none ? — ® 

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

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

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

 limb rose color. i 



3 G. spheerocarpa Ell. Glabrous, ascending, branched ; lvs. 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 Conto.) 



4 G. aClrea Muhl. Smooth; lvs. oMong-lanceolate, suheniire, clasping; ped. as 

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

 perennial hei'b, 6 to 8' high, in mujdy places, Mass. to Fla. St. dechniug and 

 rooting at the base, q "flraiigular, simple or branching. Lvs. sessile, a little 

 clasping, smooth, punotiao, 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. viso6sa Schwein. Viscid-pubescent, ascending ; lvs. lance-ovate or oblong, 

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

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

 capsule.- — -2^ Wet places, N. Car., Ky., to Pla. 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.) 



/3. Drummondii. Sepals and bractlets subulate, thrice longer than the capsule. 

 —La. (Hale.) 



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

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

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

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

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

 May — Jl. (G. quadridentata Mx.) 



7 G. pildsa Mx. Erect, hispid; lvs. 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. Fls. sessile, shorter than the leaves, white. JL — Sept. 



8 G. subulata Baldw. Erect, hispid ; lvs. linear or lance-linear, margms revo- 

 Inte, 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, or often densely imbricated. 

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



18. ILYSAN'THES, Raflt. (Gr. lXv(;, mud, avdoq, flower.) Calyx 5- 

 parted ; cor. upper lip short, erect, bifid, lower liplarger, 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 oj)posite lvs., and axillary, 1-flowered 

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



