GENTIANACE^. (GENTIAN FAMILY.) 339 



corolla open, yellowish white, a third to half longer than the erect linear 

 lanceolate calyx lobes ; appendages nearly entire ; seeds wingless. Open 

 woods. Sept. -Oct. Stem 6' -12' high. Corolla 1^' long, striped within 

 with green and purple veins. Anthers separate. 



4. G. Elliottii, Chapni. Stein rough and slightly pubescent; leaves 

 lanceolate or linear-lanceolate ; flowers single or clustered ; calyx lobes linear- 

 lanceolate, twice as long as the tube ; corolla large, open, blue, striped within 

 with yellow and deeper blue ; appendages 2-cleft ; seeds lanceolate, narrowly 

 winged, covering the entire inner face of the valves. (G. Catesbsei, Ell.} 

 Banks of streams and ditches in the lo\\er and middle districts. Oct. Stem 

 1 _ i high. Corolla 1 \' long. 



Var. parvifolia, Chapm. Stem (all (2 high), slender; leaves short (4' - 

 1' long, sessile, ovate or oblong-uvate, rounded or cordate at the base, rigid; 

 calvx lobes erect, lanceolate; appendages of the corolla broad, unequally 

 2-cleft, fimbriate. Swamps, near the coast, Georgia and Florida. Corolla 

 2' long. 



Var. ! latifolia, Chapm. Stem low (6'- 12' high), rigid; leaves (2'- 3' 

 long) membranaceous, oblong or ovate-oblong, acute at each end; calyx lobes 

 linear, shorter than the tube, spreading ; appendages of the corolla equally 

 divided into two slender bristle pointed nearly entire lobes. River banks, 

 Middle Florida. Corolla 1'- 1|' long. 



5 G. Saponaria, L. Stem smooth ; leaves lanceolate, narrowed at the 

 base ; calyx lobes linear or spatulate, about as long as the tube ; corolla light 

 blue; the lobes short aud broad, obtuse, erect, or converging, barely longer 

 than the 2 cleft minutely-toothed appendages; seeds acute, narrowly winged, 

 covering the valves. (G. Catesbrei, Walt.) Moist woods in the upper dis- 

 tricts. Sept. - Oct. Flowers clustered. 



6. G. Andrews!!, Griseb. Stem smooth (l-2 high); leaves ovate- 

 lanceolate, acute, narrowed at the base ; flowers clustered, axillary and termi- 

 nal; calyx lobes ovate, spreading, shorter than the tube; corolla (!' long) 

 club-shaped, inflated, closed ; the broad rounded lobes shorter than the slightly 

 toothed appendages ; capsule at length partly exserted ; seeds broadly winged. 



Mountains of North Carolina. Sept. - Oct. 



7. G. angUStifolia, Michx. Stem low, smooth, 1-flowered; leaves lin- 

 ear, fleshy ; calyx lobes linear, erect, half as long as the corolla ; corolla large, 

 bright blue, the lobes ovate, twice as long as the broad toothed appendages. 



Varies with the corolla green without and white within. Low pine bar- 

 rens, Florida to North Carolina. Nov. - Dec. Stem 4' -10' high. Corolla 

 2' long. Capsule long-exserted. 



4. BARTONIA, Muhl. 



Calyx 4-parted. Corolla 4-parted. Stamens 4 : anthers small. Stigmas 

 sessile. Capsule 1 -celled, 2-valved, septicidal. Seeds covering the inner sur- 

 face of the valves. Small annual herbs, with erect filiform stems, scale-like 

 subulate leaves, and white flowers. 



1. B. verna, Muhl. Stem (2' -6' high) simple or sparingly branched, 

 succulent, few-flowered ; calyx lobes lanceolate-subulate, one third as long as 



