LOGANIACE^. (tOGANIA FAMILY.) 345 



•«- •«- Crown thinner, the border lohed or toothed ; leaves as in the preceding. 



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

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

 about lO-toothed, the alternate teeth thinner, narrower and lon'jer^ either emarginate 

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



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

 purple; its lobes oblong or linear-oblong (4-5'' long) ; crown nndalately and 

 verij obtuselij 5-lobed and icith a longer bifid subulate process in each sinus. — 

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



Order 68. LOGAXIACE^. (Logaxia Family.) 



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

 stipular membrane or line between them, and with regular 4 - o-merous 4-5- 

 androus perfect Jlowers, the ovary free from the calyx ; a connecting group 

 between Gentianaeeae, Apocynacese, Scropliulariace?e (from all which they 

 are known by their stipules) and Rubiace«, from which they differ in 

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

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



* Woody twiners ; leaves evergreen; stigmas 4. 



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



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



2. Polypremura. 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 midille. 



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. Style long and slender; 

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

 trary to the narrow partition, 2-celled, 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- 

 viino, the Italian name of the Jessamine.) 



1. G. sempervirens, Ait. (Yellow Jessamine of the South.) Stem 

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

 short axillary clusters ; pedicels scaly-1)racted ; flowers very fragrant (the bright 

 yellow corolla 1 - H' 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 scariou^-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 



