530 Obdeb 86.— SCEOPHULAEIACE^. 



3 D. queroifdlia Benth. Flani glabrous and glaucous, paniculate-branched ; Its. 

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

 natlfid or entire; ped. as long as the calyx; segm. of the col. lame-acuminaie, hngef 

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

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

 or incised. Hs. large, and of a briUiant yellow, opposite and axillary, near the 

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

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



4 D. pediouleiria Benth. Pubescent or nearly glabrous, branched ; Ivs. ovate 

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

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

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

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

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

 laria L.) 



5 D. pectlnata Benth. Very hirsute; Ivs. lamceolate, pectinate-piunatiSd, segm. 

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

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

 Aug. (G. pectinata Torr.) 



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

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

 5-toothed ; cor. tubular, ventricous or subcainpanulate, 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. Otopuylt.a. Calyx segments longer than its tube, 2 anthera mucli smaller No. 1 



2. Gkhaudia propel". Calyx segments short, equal. Anthers all equal. (§) 



§ Corolla bilabiate, upper lip Very short, erect. Peduncles longer than corolla. No. 2 



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



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



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



a Leaves opposite. — Peduncles not longer than the calyx I<o3. 5, 6 



— Peduncles much longer. — Flowers large (about 9" long.)....No3. 7,8 

 — Flowers small (about 6" long).. .Nos. 9, 10 



1 G. aurioulata Mx. Scabrous, hirsute, subsiipplo ; lvs. ovate-lanceolate, mortly 

 entire, upper auriculato at bass ; fls. nearly s6.ssiio. — ® 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 lobe on each side at base. Cor. dUated and spread- 

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

 but twice smaller. Aug., Sept. 



2 G. Mettaiieri. 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, emarginate, 

 straight, vaulted, fringe-ciliate, lower lip of 3 broad, spreading lobes. — S) Wet 

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

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



/3 ? CLAirSA. Cor. tube dorsally compressed, throat closed by the infiexed upper 



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

 y 1 NCDA. Lvs. (except a few at the base) reduced to minute bracts, scarcely 



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



3 G. apli;$'lla Nutt. Erect, with slender brandies, leafless, with few, remote, 

 soarious scales . or short bristle-like lvs ; ped. bracteolate ; cal. truncate, witli 

 minute, gland-like teeth; caps, globular, exceeding the calyx. — (J) N. Car. to 

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

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

 size, lobes subequal, pedicels short, i. e., the bractlet3,aro near the flowers. Jn., Jl. 



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

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

 sstaceously acute; cor. ample, smooth. — (J) St. Mary's, Ga. to Apalacbicola, Ela 



