LOGANIACEAE (LOGANIA FAMILY) 653 



free ovary ; our representatives of the family are related most nearly to the 

 Rubiaceae, to which, indeed, they have been appended. 



* "Woody twiners ; leaves evergreen ; stigmas 2, each 2-parted. 



1. Gelsemium. Corolla large, the 6 lobes imbricated in the bud. Style slender. 



* * Herbs ; stigmas single, entire or 2-lobed. 



2. Spigelia. CoroUa 5-lobed, valvate in the bud. Style single, jointed in the middle. 



3. Cynoctonum. Corolla 5-lobed, valvate in the bud. Styles 2, short, converging, united at 



the summit, and with a common stigma. 



4. Polypremum. Corolla 4-lobed, not longer than the calyx, imbricated in the bud. 



1. GELSEMIUM Juss. Yellow (False) Jessamine 



Corolla open-funnel-form. Stamens 5, with oblong sagittate anthers. Divi- 

 sions of stigma linear. Capsule elliptical, flattened contrary to the narrow 

 partition, 2-celled, septicidally 2-valved. Seeds many or several, winged. 

 Embryo straight, in fleshy albumen ; the ovate flat coti^ledons much shorter 

 than the slender radicle. — Smooth twining shrubby plants with ovate or 

 lanceolate leaves, minute deciduous stipules, and showy yellow dimorphous 

 flowers. {Qelsomino, the Italian name of the Jessamine.) 



1. G. sempfirvirens (L.) Ait. f. Stem climbing high ; leaves short-petioled, 

 shining, nearly persistent ; flowers in short axillary clusters ; pedicels scaly 

 bracted ; flowers very fragrant ; corolla 2.5-4 cm. long ; capsule flat, pointed. — 

 Low grounds, e. Va. to Ela. and Tex. Mar., Apr. 



2. SPIGELIA L. PiNK-KOOT. WORM-GHASS 



Corolla tubular-funnel-form, 5-lobed at the summit. Stamens 5 ; anthers 

 linear. Style slender, hairy above. Capsule short, 2-celled, twin, laterally 

 flattened, separating at maturity from a persistent base into 2 carpels, which 

 open loculioidally, few-seeded. — Chiefly herbs, with opposite leaves united by 

 stipules, and the flowers spiked in one-sided cymes. (Named for Adrian 

 Spiegel, latinized Spigelius, who wrote on botany early in the 17th century, and 

 was perhaps the first to give directions for preparing an herbarium.) • 



1. S. maril4ndica L. (Indian Pink.) Stems simple and erect, 3-6 dm. 

 high, from a perennial root ; leaves sessile, ovate-lanceolate, acute ; spike 

 simple or forked, short ; corolla 3-5 cm. long, red outside, yellow within ; tube 4 

 times the length of the calyx, the lobes lanceolate ; anthers and style exserted. — 

 Rich woods, O. and Ky. to Fla., Mo., and Tex. May, June. 



3. CYN6CT0NUM J. F. Gmel. Miterwokt 



Corolla little longer than the calyx, somewhat funnel-form. Stamens 5, 

 included. Ovary at the base slightly adnate to the bottom of the calyx, 2-oelled. 

 Capsule exserted, strongly 2-horned or miter-shaped, opening down the inner 

 side of each horn, many-seeded. — Annual smooth herbs, 1-7 dm. high, with 

 small stipules between the leaves, and small white flowers spiked along one side 

 of the branches of a terminal peduncled cyme. (KiJuc, dog, and KTilvei.ii, to 

 kill.) MiTKEOLA E. Br. 



1. C. Mitr^ola (L.) Britton. Leaves thin, oblong-lanceolate, petioled. (Jf. 

 petiolata T. & G.) — Damp soil, from e. Va. tg Tex. June-Nov. 



4. POLYPREMUM L. 



Calyx 4-parted ; the divisions awl-shaped from a broad soarious-margined 

 base. Corolla almost wheel-shaped, bearded in the throat. Stamens 4, very 

 short ; anthers globular. Style very short ; stigma ovoid, entire. Capsule 

 ovoid, a little flattened, notched at the apex, 2-celled, loculicidally 2-valved, 



