730 



LOGANIACEAE. 



Vol. II. 



I. Gelsemium sempervirens (L.) Ait. f. 



Yellow Jessamine. Carolina Jasmine. 



Fig. 3326. 



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

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

 G. sempervirens Ait. f. Hort. Kew. 2 : 64. 181 1. 



Stem slender, climbing or trailing, sometimes 

 20° long. Leaves lanceolate, oblong-lanceolate 

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

 sistent, evergreen, ii'-3' long, $"-iz" wide; cymes 

 i-6-flo\vered; pedicels short; bractlets several, 

 dry, oblong or lanceolate, l"-2" long; flowers 

 dimorphous; sepals oblong, obtuse; corolla bright 

 yellow, I'-iJ' 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 Florida, 

 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 narrowly funnelform, 5-Iobed, the lobes valvate, the tube finely 15-nerved. Stamens 5, 

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

 centae; 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. 

 Type species : Spigelia Anthelmia L. 



I. Spigelia marylandica L. Indian or Caro- 

 lina Pink. Fig. 3327. 



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 narrowed at the 

 base, 2'-4' long, 4'-2' wide, sparingly pubescent on 

 the veins beneath; flowers in a solitary (rarely 2 or 

 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 corolla-lobes or shorter; 

 style jointed below the middle, exserted or included. 



In woods. North Carolina to Kentucky, Ohio, Wis- 

 consin ( ?), Missouri. Florida and Texas. Erroneously 

 recorded from New Jersey. May-July. Pink-root. Worm- 

 grass. Star-bloom. 



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. Type species : Cynoctonum sessili- 

 foliitm J. G. Gmel. 



