GENTIANACE^, (gEXTIAN 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 witiiin 

 with green and purple veins. Anthers separate. 



4. G. Elliottii, Chapm. Stem rough and slightly puhescent; 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, EU.) — 

 Banks of streams aiid ditches in the lower and middle districts. Oct. — Stem 

 1° - U° high. Corolla Ij' long. 



Var. parvifolia, Chapm. Stem tall (2° liigh), slender; leaves short (|' - 

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

 calyx lobes erect, lanceolate; appendages of the corolla broa<l, unecjnally 

 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 V -\\' 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 and broad, obtuse, erect, or converging, barely longer 

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

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

 tricts. Sept. - Oct. — Flowers clustered. 



6. G. Andrewsii, 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 (1' long) 

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

 toothed appendages ; capsule at length ])art]y exserted ; seeds broadly winged. 



— Mountains of North Carolina. Sept. - Oct. 



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

 ear, fleshy ; calyx kibes 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 Car<jlina. Nov. -Dec. — Stem 4'- 10' high. Corolla 

 2' long. Capsule long-exserted. 



4. BARTONIA, Muhl. 



Calyx 4-parted. Corolla 4-parteJ. 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 



