Oedeb 85.— LOaANIACKffl. K16 



aENEBA. 

 Y Corolla tabular, lobes 5, valvate in bud. Seeds wingless, (a) 



a styles wbolly united into one. Corolla tube long Sfioeua.. 1 



a Styles distinct, with ttie stigmas united. Cor. tubeBhort.,..MiTBEULA, 3 

 ^ Corolla campanulate, lobes 4 or 6, imbricate in bud. (b) 



b Flowers 4-pai-ted. Diffuse herbs FoLTrBBHUH. 8 



b Flowers 5-parted. Twining Blirubs Gklsemiuh. 4 



1. SPIGE^LIA. L. Pink-root. (To Adrian Spigelius, Professor of 

 Anat. and Surg, at Padua, 1578 — 1625.) Calyx 5-parted, segments 

 linear-subulate ; corolla narrowly funnel-form, limb 5-cleft, equal ; sta- 

 mens 5 ; anthers convergent ; capsule didymous, 2-celled, few-seeded. 

 — Herbaceous or suflFrutescent. Lvs. opposite. Stip. small, interpetiolar. 

 Fls. sessile, in terminal spikes. 



S. Marildndica L. Jlrect, simple, nearly glabrous; st. square; lvs. sessile, 

 orate-lanoeolate, acute, or acuminate, margin and vpins scabrous-pilous ; spikes 3 

 to 8-flowered ; cor. tube 4 times longer than the cal. ; anth. exserted ; lobes of tho 

 cor. lanceolate ; caps, glabrous, shorter than the cal. — 71 In woods, Penn. to HI., 

 S. to Fla. An elegant dark green herb, a foot high. Lvs. 3 to 4' by IJ to 2}', 

 entire, often ovate-acuminate, the stipules scarcely perceptible. Pis. H to 2' long, 

 somewhat club-shaped, scarlet without, yellow within. Sty. exserted. Jn. — 

 A celebrated anthelmintic. 



2. MITRE^OLA, L. (Lat. mitreola, a little mitre ; from the form of 

 the capsule.) Calyx 5-parted ; corolla tubular, short, 5-cleft, hairy in 

 the throat, lobes valvate in bud ; stamens 5, on the corolla tube, in- 

 cluded ; ovary 2-celled, styles 2, united at the top with one stigma, 

 separate below, as well as the 2 horns of the oo-seeded capsule. — (J) 

 Glabrous herbs. Stipules minute. Fls. small, white, in scorpoid racemes, 

 forming a terminal, stalked cyme. 



X M. petioldta Torr. & Gr. Erect, branched; lvs. lanceolate or oblong-ovate, 

 acute, tapering at the base into apetiok; fls. somewhat distant in the racemes. — A 

 plant of singular aspect, in damp shades, Va. to Ma. and La. St. 1 to 2f high, 

 Lvs. thin, about 2' long, including the short petiole. Cymes about twice triehoto- 

 mous, the small fls. all on the upper side of the racemes. Capsules mitre-form. 

 Jn. — Sept. (Ophiorhiza Mitreola, L.) 



2 M. sessilifolia Torr. & Gr. Erect, nearly simple ; lvs. broad-oval, or ovate, ses- 

 sile, acute, much shorter than the intemodes ; fls. contiguous in the racemes. — 

 Damp soil, S. Car. to Fla. and La. More slender than the other, 10 to 18' high. 

 Lvs. thickish, not veiny, 6 to 8" by 4 to 6". Cymes small, compact. Els. about 

 half as large as in No. 1. Jn. — Aug. (Anonymus, Walt.) j3. angustifolia, 

 Torr. & Gr. has lance-eUiptical leaves; at Quinoy, Ela. 



3. POLYPRE'MUM, L. (Gr. Tro/liif, many, Trpsjuvov, stem ; a charac- 

 teristic of the plant.) Calyx 4-parted, segm. subulate, membranous- 

 margined at base ; cor. broadly campanulate, 4-parted, lobes slighly un- 

 equal, obtuse ; throat bearded ; stam. 4, adherent to the corolla tube, 

 included, anth. globular ; stig. entire, subsessile ; caps, ovoid, 2-celled, 

 2-ovuled, loculicidal, co-seeded. — (D Herb glabrous, diffusely much 

 branched from the base, with opposite, linear-subulate lvs. connected at 

 base by a slight stipular membrane. Fls. sessile, cymous, small, white. 



P. prootimbena L. Dry fields, Ta. to Pla. and La. Plant forming roundish 

 patches, with somewhat the aspect of Scleranthus, its numerous stems procum- 

 bent or ascending, 6 to 12' long. Lvs. hardly 1' long, rigid. Cal. persistent, its 

 pointed sepals exceeding the , capsule. May — Sept. — Bentham refers this genua 

 to ScrophulariaoesB. Torr. & Gr., hither. 



4. GELSE'MIUM, Juss. Yellow Jessamine. (Ital. gelsemio, the 



