ORDER 88. SCROPHULARIACE^E. 231 



1 JD. g-randiflora Wood. Minutely pubescent, branched ; Ivs. petiolate, lance-ovate, 

 pinnatifid, toothed, or entire ; ped. as long as the calyx ; cal. tube as long as the lobes 

 (i-'), corolla 2' long. Wis., 111. (J . Wolf), and S. (G. grandiflora Benth.) 



3 D. quercil'clia Beuth. Glabrous and glaucous, branched ; Ivs. petiolate, the lower 



bipinnatifid, upper lance-oblong ; cal. lobes longer than the tube, both as long as the 

 pedicels ; corolla 2'. Thickets. 3 5f. Common. 



4 . iiitegrilolia Wood. Glabrous, subsimple ; Ivs. lanceolate, acute, entire or 



nearly so ; pedicels shorter than the calyx. \Voods, Pa., and W. 1 2f. August. 



5 I>. pedicularia Benth. Smoothish or downy ; Ivs. lance-ovate, pinnatifid with 



toothed segments ; pedicels longer than the hairy calyx, whose toothed segments are 

 about as long as its top-shaped tube. Dry woods. 2 3f. Corolla 15". 



6 D. pectiiiata (Torr.) Very hairy ; Ivs. lanceolate, pectinate-pinnatiftcl, seg. toothed ; 



calyx longer than the pedicels, segm. longer than tube. Woods, S. 3f. Corolla IS". 



37. GERARDIA, L. Cal. 5-toothed or cleft. Cor. tubular, ventricous 

 or subeampanulate, tube longer than the 5 broad, entire, unequal lobes. 

 Sta. didynamous, in pairs, shorter than the corolla. Caps, obtuse or pointed, 



00 -seeded. American herbs, rarely shrubby. Leaves opposite (except 

 No. 4). Flowers axillary, solitary, purple or rose-color. July Sept. 



OTOPHYLLA. Calyx segments longer than its tube. Two anthers smaller No. 1 



GEKARDIA proper. Calyx segments short, equal. Anthers all equal. . .(a) 



a Cor. 2-lipped, upper lip very short, straight. Peduncles slender. S. . .Nos. 2, 3 

 a Corolla lobes subequal, all spreading, throat often hairy., .(b) 



b Leaves all alternate, filiform. Flowers large, on long peduncles. S No. 4 



b Leaves opposite, rarely the upper alternate and bract-like. . .(c) 



c Peduncles equalling or exceeding the small ($-incn) flowers Nos. 5 7 



c Peduncles much shorter than the flowers. d Lvs. setaceous or none. . . . Nos. 8, 9 



d Lvs. linear, 12' long. . .Nos. 1012 



1 G. auriculata MX. Erect, subsimple, rough-luiry ; Ivs. lance-ovate, the upper au- 



riculate at base ; fls. nearly sessile, 7" long. (T) Low grounds, Pa. to Car., and W. 2f. 



2 G. JJIettaueri Wood. Smooth, slender, diffusely branched ; Ivs. linear-filiform ; ped. 



f'iform, many times longer than the calyx ; cor. 8", upper lip vaulted, notched, lower 

 of 3 rounded lobes, tube with spots and 2 yellow stripes within. (T) Wet sandy places, 

 Mid. Fla. (Dr. Mettauer, 1855). 1 2f. Lvs. V- 1". (G. divaricata Chapm.) 

 /3. ? clav.ua. Cor. tube flattened on the back, throat closed by the inflected lip. Fla. 



3 G. iiuda Wood. Smooth, filiform, branched ; Ivs. (except a few at the base) all re- 



duced to minute bracts scarcely 1" long; fls. all terminal, small (5") : caps, globous, 

 exceeding the calyx. Middle Fia. (Dr. Mettauer, 1855). (G. filicauWs Chapm.) 



4 G. filifolia N. St. terete, much branched ; leaves filiform, alternate and fascicled ; 



ped. 1', much longer than the leaves ; cor. smooth, 9". @ Barrens, Ga., Fla. 2 3f. 



5 G. liiiilolia N. if Stems virgate, clustered at root, smooth ; Ivs. opposite, erect. 



linear, 31' ; ped. 812", cal. 2", truncate ; cor. 1', spotted. Wet barrens, S. 2 :if. 

 G G. tenuiiolia Vahl. Smooth, paniculately branched ; leaves linear to filiform, 1', 

 often coiled ; ped. as long as the leave-, longer than the flowers, which are !)" long ; 

 calyx teeth very short, acute ; capsule globular. Fields and woods. If. 



7 G. Skiimeriana Wood (1848). Roughish ; st. virgate, angular, few-branched ; Ivs. 



linear, rather obtuse, V ; ped. axillary, very long (12') ; cal. 1", teeth obtuse ; cor. 

 h mall (5'0, rose-color, not fringed. Low grounds, W. and S. 1 2f. Unlike all the 

 rest, this species does not blacken in drying. (G. parvifolia, Cham.) 



8 G. set icca Walt, (not Benth.) Glabrous, widely branched ; Ivs. bristle-form, V and 



less ; fls. mostly terminal on the filiform, bracted branchlets, large ; ped. 24" ; cal. 

 I", teeth very acute, short ; cor. 10", densely fringed. Barrens, Pa., S. and W. 2f. 



9 G. apliylla N. Slender, angular, branched above; Ivs. minute, setaceous, 1". or 0; 



ped. lateral and term., 13" ; calyx 1", tooth obtuse ; corolla 8". (i) Wrt, S. 2 3f. 



