'53d ORDER 86. SCBOPHUlARIACE^G. 



3 .D. quercifolia Bonth.- Plant glabrous and glaucous, paniculate-brauched ; Ivi 

 paler beneath, petiolate, lower ample, bipinnatifid, upper oblong lanceolate, pior 

 .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 Gn. and Mich., common. St. tall, 

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

 or incised. Fls. large, and of a brilliant yellow, opposite and axillary, near the 



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

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



,41?. pedicularia Benth. Pubescent or nearly glabrous, branched; Ivs. ovate 



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

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



1 ' 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 the 

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

 laria L.) 



5 D. pectiuata Benth. Very hirsute; Ivs. lanceolate, pectinate-pinnatifid, segm. 

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

 . than the cal. tube. Pine woods, Car. and Ga. Fls. as large as in the last. JL, 

 , Aug. (G. pectinata Torr.) 



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

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

 5-toothed ; cor. tubular, vcntricous 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. OTOPIIYLLA. Calyx segments lontrer than its tube, 2 anther* much smaller No. 1 



,..2. CrKRAKDiA proper. Calyx segments short, equal. Anthers all equal. (> 



* -f Corolla bilabiate, upper lip very short, erect. Peduncles longer than corolla. No. '2 



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



a Loaves almost none, opposite scales instead. Flowers large No. S 



' * a Leaves all alternate, filiform. Flowers large, long-stalked No. 4 



a Leave* opposite. Peduncles not longer than the calyx Nos. 5, G 



! Peduncles much longer. Flowers larare (about 9" long.)....Nos. ? 3 



Flowers small (about 6" long)...Nos. 9, 1"> 



X Or. auriculata MX. Scabrous, hirsute, subsimplc ; Ivs. ovate-lanceolate, mostly 



entire, upper auriculato at baso; fls. nearly sessile. (T) Ponn. to Iowa and La., 



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



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



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



, but twice smaller. Aug., Sept. 



2 G. Mettaueri. Glabrous, slender, diffusely branched ; Ivs. 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, emarginate, 

 straight, vaulted, fringe-ciliate, lower lip of 3 broad, spreading lobes. CD Wet 



'sandy places, Middle Fla. (Dr. Mettaucr). Sts. 1 to 2f high. Lvs. 5 to 12" long. 

 Ped. G to 12'' long. Fls. purple, with 2 yellow stripes in the spotted tube. 



ft 1 CLAUSA. Cor, tubo dorsally compressed, throat closed by tho inflexed upper 



lip. With tho others. Fls. light purple. 



yl NUDA. Lvs. (jxcept a few at the base) reduced to minute bracts, scarcely 

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



3 G. aoh^lla Nutt. Erect, with slender brandies, leafless, with few, remote, 

 scarious scales or short bristle-liko Ivs ; ped. bracteolato ; cal. truncate, with 



: minute, gland-Iiko teeth ; caps, globular, exceeding tho calyx. (T) X. Car. to 



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



-. .powers, or diffusely few-branched with many flowers. Fls. deep purple, middle 



'size, lobes subequal, pedicels short, i. e., the bractlets are near the flowers. Jn., Jl. 



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

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



Mtaceously acute; cor. Simple, smooth. (]) St. Mary's, Ga. to Apalachicola, Fla. 



