460 ORDER XC. SCEOPIIULAKIACKyE. 



Genus XIV.— OTOPHYL'LA. Bentb. 

 (From OMS, otos^ an ear, and phtcUon, a leaf.) 



Cal)/x cainpanulate, deeply 5-cleft ; lobes foliaceous, unequal. 

 Corolla with the lobes entire, spreading. Stamens didynamous, 

 included. St7/le elongated. Cajjsule sub-globose, obtuse. 

 Seeds numerous, angular. 



1. 0. MiCHAUx'ir, (Benth.) Ston erect, pubescent. Leaves opposite, 

 lanceolate, or ovate-lanceolate ; some nearly entire, others auriculate. 

 Flowers axillary, solitary. Corolla somewhat pilose within. — Carolina 

 and northward. Gerardia auriculata, Mich. 



Gemjs XV.— MACRAXTHERA. Torr, 



Cal7/x 5-cleft, campanulate; lobes narrow, elongated. Co- 

 rolla tubular ; limb oblique ; lobes short, entire, spreading. 

 Stamens exserted, nearly equal. Capsule ovate, acuminate. 

 Leaves opposite, pinnatifid. Floivers in racemes. 



1. M. Fuchsioi'des, (Torr.) Z^avcs lanceolate ; lobes lanceolate, lower 

 ones subdentate. Racemes elongated, lax, secund ; filaments pilose ; lobes 

 of the calyx a little shorter than the tube of the corolla.— Yellow. If. Lou. 



2. M. Lecont'ii, (Torr.) Resembles the preceding. Calyx lobes 2 — 

 3 times shorter than the tube of the corolla. — Yellow. IX. Georgia 

 and Florida. 



Genus XVL— GERARDIA. L. 13—2. 

 (In honor of John Gerard, an English botanist.) 



Calyx 5-toothed. Corolla sub-campanulate, unequally 5- 

 lobed ; segments rounded. >S'tamf?25 4, didynamous. Capsule 

 2-celled, dehiscing at the summit. 



1. G. aphyl'la, (Nutt.) Stem erect, naked, nearly simple, with op- 

 posite, ovate scales, sometimes a few minute leaves. Calyx, small, 5- 

 toothed. Corolla small, longer than the peduncle. Capsule ovate. — 

 Purple. #. June — July. Along the sea-coast. 2 — 3 feet. 



2. G. seta'cea, (Walt.) Stem erect, much branched, glabrous, slen- 

 der. Leaves setaceous, glabrous. Flowers axillary and terminal, on 

 leafy branches. Calyx truncate, with small, subulate teeth. Corolla 

 hniiy, the border nearly equally 5-cleft, ciliate, with the tube white. — 

 Purple. @. Aug. — Sept. Damp lands. 1 — 2 feet. 



3. G. fascicula'ta, (Ell.) Stem erect, scabrous, marked with lines, 

 branching at the summit. Leaves opposite and by threes, sometimes 

 alternate, linear, acute, clustered. Flowers large, on peduncles shorter 

 than the leaves. Calyx truncate, with small, subulate teeth. Corolla 

 with the upper segments reflexed, villous, the three lower pubescent, 

 ciliate.^-Purple, spotted with red. 0. Aug. — Oct. Common in tlie 

 low country. G. purpuera. 



4. G. filifo'lia, (ISTutt.) Stem erect, terete, branching. Leaves fili- 

 form, glabrous, alternate, in axillary clusters ; segments of the calyx 

 acutely toothed. Flowers on peduncles longer than the leaves. Co- 

 rolla with the throat pubescent, ventricose. — Purple. 0. Aug. — Oct. 

 Southern Georgia. 



5. G. TENUiFo'LiA,(Vahl.) Steiu diffuse, much branched, glabrous, angled. 

 Leaves linear, acute, glabrous, except on the margins. Flowers on pedun- 



