LOGANIACE.E. (LOGANIA FAMILY.) 345 



i- -i- Crown thinner, the border lobed or toothed ; leaves as in the preceding. 



5. G. Shortii, Gray. Resembles n. 3, but larger-leaved ; corolla oblong- 

 conical in bud, dark crimson-purple, its lobes ligulate (fully 6" long) ; crown 

 about \Q-toothed, the alternate teeth thinner, narrower and longer, either emarginate 

 or 2-parted. Along the mountains, E. Ky. (Short) to N. W. Ga. (Chapman). 



6. G. Carolinensis, R. Br. Flower-bud oblong; corolla brownish- 

 purple; its lobes oblong or linear-oblong (4-5" long) ; crown undulately and 

 very obtusely 5-tobed and with a longer bijid subulate process in each sinus. 

 From Va. to La., extending north to Ark. and central Mo. 



ORDER 68. LOGAXIACE^E. (LOGAXIA FAMILY.) 



Herbs, shrubs, or trees, with opposite and entire leaves, and stipules or a 

 stipular membrane or line be/ween them, and with regular 4 - 5-merous 4-5- 

 androus perfects/lowers, the ovary free from the calyx ; a connecting group 

 between Gentianacese, Apocynaceae, Scrophulariaceae (from all which they 

 are known by their stipules) and Rubiacea?, from which they differ in 

 their free ovary ; our representatives of the family are ail most related 

 to the Rubiaceas, to which, indeed, they have been appended. 



* Woody twiners ; leaves evergreen ; stigmas 4. 



1. Gelsemium. Corolla large, the 5 lobes imbricated iu the bud. Style slender. 



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



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



3. Spigelia. Corolla 5-lobed, valvate in the bud. Style single, jointed in the middle. 



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



the summit, and with a common stigma. 



1. GELSEMIUM, Juss. YELLOW (FALSE) JESSAMINE. 



Calyx 5-parted. Corolla open-funnel-form, 5-lobed; the lobes imbricated in 

 the bud. Stamens 5, with oblong sagittate anthers. Stvle long and slender; 

 stigmas 2, each 2-parted, the divisions linear. Capsule elliptical, flattened con- 

 trary to the narrow partition, 2-cellecl, septicidally 2-valved. Seeds many or 

 several, winged. Embryo straight, in fleshy albumen ; the ovate flat cotyle- 

 dons much shorter than the slender radicle. Smooth and twining shrubby 

 plants with ovate or lanceolate leaves, minute deciduous stipules, and showy 

 yellow flowers, of two sorts as to relative length of stamens and style. ( Gelso- 

 mino, the Italian name of the Jessamine.) 



1. G. sempervirens, Ait. (YELLOW JESSAMINE of the South.) Stem 

 climbing high; leaves short-petioled, shining, nearly persistent; flowers in 

 short axillary clusters ; pedicels scaly -bracted ; flowers very fragrant (the bright 

 yellow corolla 1 - !' long) ; capsule flat, pointed. Low grounds, E. Va. to 

 Fla. and Tex. March, April. 



2. POLYPREMUM, L. 



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

 base. Corolla not longer than the calyx, almost wheel-shaped, bearded in the 

 throat; the 4 lobes imbricated in the bud. Stamens 4, very short; anthers 

 globular. Style 1, very short; stigma ovoid, entire. Capsule ovoid, a little 



