Vol.. II.] 



LOGANIA FAMILY. 



605 



i. Gelsemium sempervirens (I,.) Ait.f. 



Yellow Jessamine. Carolina 



Jasmine. (Fig. 2847.) 



Bignonia sempervirens L. Sp. PI. 623. 1753. 

 G. nitidum Michx. Fl. Bor. Am. i: 120. 1803. 

 G. sempervirens Ait. f. Hort. Kew. 2: 64. 1811. 



Stem slender, climbing or trailing, sometimes 

 20 long. Leaves lanceolate, oblong-lanceolate 

 or ovate-lanceolate, entire, short-petioled, per- 

 sistent, evergreen, i}4'-3' long, 5 // -i2 // wide; 

 cymes i-6-flowered; pedicels short; bractlets 

 several, dry, oblong or lanceolate, i // -2 // long; 

 flowers dimorphous; sepals oblong, obtuse; 

 corolla bright yellow, i / -i)^ / long; stigmas in 

 one form short and anthers exserted, in the 

 other form longer and anthers included; capsule 

 flat, channeled on both sides, 4 // -7 // long, 

 cuspidate; seeds very flat, broadly winged at 

 the summit. 



In woods and thickets, eastern Virginia to Flor- 

 ida, Texas, Mexico and Guatemala, mostly near 

 the coast. March-Oct. Called also Carolina Wild 

 Woodbine, and Evening Trumpet-flower. 



2. SPIGELIA L. Sp. PI. 149. 1753. 



Herbs, with opposite membranous entire pinnately veined leaves, small stipules, or the 

 leaf-bases connected by a stipular line, and red yellow or purple flowers in scorpioid cymes 

 or unilateral spikes, or terminal and in the forks of the branches. Calyx deeply 5-parted. 

 Corolla 5-lobed, the lobes valvate, the tube finely is-nerved. Stamens 5, inserted on the 

 corolla-tube; anthers 2-lobed at the base. Ovules numerous, on peltate placentae; style 

 filiform, jointed near the middle, papillose above; stigma obtuse. Capsule didymous, 2- 

 celled, somewhat flattened contrary to the dissepiment, circumscissile above the persistent 

 base, the 2 carpels becoming 2-valved. Seeds peltate, not winged. [Named for Adrian 

 von der Spigel, 1558-1625, physician.] 



About 35 species, all American. Besides the following, 4 others occur in the southern States. 



i. Spigelia Marylandica L,. Indian or 

 Carolina Pink. (Fig. 2848.) 



Lonicera Marylandica L. Sp. PI. 175. 1753. 

 Spigelia Marylandica L,. Syst. Ed. 12, 734. 1767. 



Perennial, stem 4-angled, glabrous or very nearly 

 so, simple, or branched at the base, erect, i-2 

 high. Leaves sessile, ovate, or ovate-lanceolate, 

 acute or acuminate at the apex, rounded or nar- 

 rowed at the base, 2 / -4 / long, ^'-2' wide, sparingly 

 pubescent on the veins beneath; flowers in a soli- 

 tary (rarely 2-3) terminal i-sided peduncled spike; 

 corolla scarlet outside, yellow within, i / -2 / long, 

 narrowed below, its lobes lanceolate, about 3 // 

 long; calyx-segments subulate, as long as the co- 

 rolla-lobes or shorter; style jointed below the 

 middle, exserted or included. 



In woods, New Jersey (according to A. Gray) to 

 Wisconsin, south to Florida and Texas. May-July. 

 Called also Pink-root and Worm-grass. 



3. CYNOCTONUM J. G. Gmel. Syst. 2: 443. 1791. 

 [MITREOLA R. Br. Prodr. Fl. Nov. Holl. i: 450. 1810.] 



Herbs, our species annual, with opposite entire membranous leaves, and minute stipules, 

 or the leaf-bases connected by a stipular line. Flowers small, whitish, in one-sided spikes 

 forming terminal or axillary cymes. Calyx 5-parted. Corolla urn-shaped, 5-lobed, the 

 lobes valvate in the bud. Stamens 5, included; filaments short; anthers cordate. Ovules 

 numerous, on peltate placentae; style short, 2-divided below, united above by the common 

 stigma, the divisions becoming separate. Capsule 2-lobed at the summit; carpels divaricate, 

 dehiscent along the inner side. Seeds numerous, small, tuberculate. [Greek, dog-killing.] 



About 5 species, natives of warm and tropical regions. 



