182 lai'.iACK.i:. (maddi.k iamii.v.) 



oiilyx-ldbcs. (Oi'Iostvli*;, Tmr. .<■ fiiai/.) — Near Koit Kinj;, Kju^t Florida. —i 

 Stem C- 10' liiyl,. Lruvts 4' -9" long. Corolla 4" luii;:, wliitf. 



2. S. gentianoides, Chapm. Stem erert, siiii])le, 4-:in<;l(i1, ron^HiisIi ; 

 leaves rouiidi-li, ovate, or ohloiij;, sessile, aeute, the ui)|)er siirfaee and margins 

 roughened; sjiikes terminal, few-flowered ; lohes of the eorolhi eonnivcnt; sta- 

 mens and style ineluded. — Light dry soil. West Florida. May and June. — 

 Stem 6'- 10' high. Corolla C"- 10" long, i)ale rose-eolor. 



3. S. Marilandica, L. Stem simple, erect, smooth, 4-angled ; leaves 

 ovate-laiKet)late, or ulilong, acute, sessile, pubescent on tiic veins ;,s]iikcs termi- 

 nal, many-flowered, sometimes forking; corolla long, slender, the lohes spread- 

 ing; anthers and style exscrtcd. — llich woods, Florida to Mississippi, and 

 northward. May and June. — Stem l°-2° high. Corolla 1^ long, scarlet, 

 yellow within. — A popular vermifuge. 



20. MITREOLA, L. IMitre-wokt. 



Calyx ■5-]iarted. Corolla short, .5-lohed, valvate in the bud, the tube roundish, 

 bearded in the throat. Stamens ti, included : anthers ovate. Styles 2, short, 

 united above. Stigma caj)itatc. Capsule 2-parted, mitre-shaped, many-seeded, 

 the two lobes opening on the inner face near the apex. Seeds oval, concave. — 

 Smooth herbs, with opposite leaves, and small white flowers in terminal and 

 axillar)' cymes, with the simple branches recurved in the bud. 



1. M. petiolata, Torr. & Gray. Stem branching; leaves thin, olilong, 

 acute, narrowed into a petiole. (Ophiorhiza lanceolata, £//.) — !Mnddy banks, 

 Florida to North Carolina, and westward. June -Sept. (£ — Stem 4-angled, 

 1° - 2° high. Leaves 2' - .3' long. 



2. M. sessilifolia, Torr. & Gray. Stem simple, 4-angled ; leaves thick, 

 ovate or roundish, strongly veined, sessile, rough on the margins ; flowers and 

 capsule very small. (Oj)liior!iiza Mitreola, Miclix.) — Varies with lanceolate 

 obscurely-veined leaves, and larger flowers and fruit. — Grassy swamps, Florida 

 to North Carolina, and westward. July -Sept. (1) — Stem G'-IS' high. 

 Leaves 6" - 10" long. Plant pale green. 



21. POLYPREMUM, L. 



Calyx deeply 4-parted, persistent. Corolla wheel-shaped, bearded in the 

 throat, 4-lobed, imbricated in the bud. Stamens 4. Style single, very short. 

 Stigma ovoid, entire. Capsule ovoid, compressed, 2-celled, loculicidally 2-valved, 

 many-seeded. — A low smooth perennial herb, with 4-angled forking stems, linear 

 acute leaves, their bases united by the membranaceous stipules, and solitary ses- 

 sile white flowers in the forks of the stem. 



1. P. procunabens, L. — Waste pl.^ces, Florida to North Carolina. 

 June -Sept. — Stems 6'- 10', erect or ])rostrate, clustered. Flowers \i:\\ small, 

 the corolla barely longer than the caly.x-lobes. 



