530 Order 8G.— SCROPHITLARIACEiE. 



3 D. quercifolia Benth. Plant glabrous and glaucous, paniculato-brauclfed ; lvs. 

 paler beneath, petiolate, lower ample, bipinnatifid, upper oblong lanceolate, pin- 

 natifid or entire; ped. as long as the calyx; segm. of the cal. lance-acuminate, longer 

 than its tube. — Woods and thickets, N. Eng. to Ga, and Mich., common. St, tall, 

 purplish, covered with a glaucous bloom, 3 to 5f high. Lvs. 4 to 8' long, sinuate 

 or incised. Pis. large, and of a brilliant yellow, opposite and axillary, near tho 

 top of tho stem, forming a loose spike. Cor. trumpet-shaped, near 2' long. Aug. 

 (G. quercifolia Ph. G. glauca Eddy.) 



4 D. pedicularia Benth. Pubescent or nearly glabrous, branched ; lvs. ovate 

 lanceolate, pinnatifid, with toothed or incised segments ; pedicels longer than tho 

 hairy calyx, segm. tooth or incised, equaling tho top-shaped calyx tube. — Dry 

 hilly woods, Can. to Ga. and Ky., common. St. bushy, very leafy, 2 to 3f high, 

 sprinkled with a woolly pubescence. Lvs. 2 to 3' long, divided like those of tho 

 Louse-wort. Cor. rather bell-shaped, 15" long, tho cal. 5". Aug. (G. pedicu- 

 laria L.) 



5 D. pectinata Benth. Very hirsute; lvs. lanceolate, pectinate-pinnatifid, segm. 

 subdentato or incised ; ped. shorter than the hairy calyx, segm. toothed, longer 

 than tho cal. tube. — Pino woods, Car. and Ga. Pis. as largo as in the last. JL, 

 Aug. (G • pectinata Torr.) 



29. GERAR'DIA, L. (In honor of John Gerard, an English botan- 

 ist of tho 16th century.) Calyx campanulate, briefly or narrowly 

 5-toothed ; cor. tubular, ventricous or subcampanulate, tube longer than 

 the 5 broad, entire unequal lobes; sta. didynamous, in pairs, shorter 

 than the corolla, length unequal ; caps, obtuse, or briefly acuminate ; 

 seeds oo. — American herbs, rarely suffruticous. Lvs. opposite. Fls. 

 axillary, solitary, purple or rose-color. 



1. Otomiylla. Calyx segments longer than its tube, 2 anthers much smaller No. 1 



-. Gun audi A proper. Calyx segments short, equal. Anthers all equal. (§) 



§ Corolla bilabiate, upper lip very short, erect. Peduncles longer than corolla. No. 1 



% Corolla lobes subequal, all spreading, throat usually hairy, (a) 



a Leaves almost none, opposito scales instead. Flowers large ]S r o. 



a Leaves all alternate, filiform. Flowers large, long-stalked N'>. 4 



a Leaves opposite. — Peduncles not longer than the calyx Nos. 5, 



— Peduncles much longer. — Flowers large (about 9" long.) Nos. 7. 8 



— Flowers small (about C long).. .Nos. 9, 10 



1 G. auriculata Mx. Scabrous, hirsute, subsimple ; lvs. ovate-lanceolate, mostly 

 entire, upper auriculata at baso; fls. nearly sessile. — (J Penn. to Iowa and La., 

 in low grounds. A rough, rigid plant, 12 to 18' high. Lvs. 1' to 18" long, ses- 

 sile, the floral with an oblong lobo on each sido at base. Cor. dilated and spread- 

 ing at mouth; lobes entire, rounded, purple, rarely white. Short stamens similar, 

 but twice smaller. Aug., Sept. 

 S Gr. Mettaueri. Glabrous, slender, diffusely branched ; lvs. linear-filiform, 

 scarcely rough-edged ; ped. filiform many times longer than the calyx which has 

 short, triangular teeth; cor. distinctly bilabiate, upper lip very short, cmarginate, 

 straight, vaulted, fringc-ciliate, lower lip of 3 broad, spreading lobes. — (P "Wet 

 sandy places, Middle Pla. (Dr. Mettauer). Sts. 1 to 2f high. Lvs. 5 to 12" long. 

 Ped. 6 to 12'' long. Pis. purple, with 2 yellow stripes in tho spotted tube. 



(3 ? clausa. Cor. tube dorsally compressed, throat closed by tho inflcxed upper 



lip. — With tho others. Pis. light purple. 

 y ? kuda. Lvs. (except a few at tho base) reduced to minute bracts, scarcely 

 1" long; fls. all terminal, rather smaller (5" long,) light purple. 



3 G. aptrylla Nutt. Erect, with slender branches, leafless, with few, remote, 

 scarious scales or short bristle-like lva; ped. braeteolate ; cal. truncate, with 

 minute, gland-liko teeth ; caps, globular, exceeding tho calyx. — (t) X. Car. to 

 Fla. and La. in wet places, coastward. Plant 2 to 3f high, often simple, with few 

 flowers, or diffusely few-branched with many flowers. Pis. deep purple, middlo 

 size, lobes subequal, pedicels short, i. e., tho bractlets aro near the flowers. Jn., Jl. 



4 G. filifolia Nutt. St. terete, diffusely branched; lvs. filiform, terete, alternate 

 and much fascicled ; ped. alternate, much longer than tho lvs.; cal. teeth short, 

 setaceously acute; cor. simple, smooth. — Q) St. Mary's, Ga, to Apalaehicola, Fla. 



