338 GENTIANACE^ft. (GENTIAN FAMILY.) 



12. S. gentianoid.es, Ell. Stem erect, simple, slender ; lowest leaves 

 lanceolate or oblong, narrowed at the base ; the others long, linear, sessile ; 

 flowers large, in axillary and terminal clusters, or terminal and solitary ; 

 corolla 8- 10-parted, 2-3 times as long as the subulate calyx lobes; anthers 

 straight. Low pine barrens, Georgia, Florida, and westward. July -Au- 

 gust. Stem 1-2 C high. Leaves H'-3' long. Corolla 2' wide. 



2. EUSTOMA, Don. 



Calyx bell-shaped, 4-5-parted, sharply 4-5-angled; the lobes subulate, 

 keeled. Corolla tubular, 4 - 5-lobed, the lobes erect, acute. Stamens 4-5: 

 anthers sagittate. Style conspicuous, erect, persistent : stigmas round-ovate. 

 Capsule oblong, obtuse. Placentas spongy, sutural. Seeds minute, globose, 

 sessile. Herbs, with oblong glaucous clasping leaves, and panicled showy 

 purple or blue flowers. 



1. E. exaltatum, Griseb. Stem (2-3high) terete, glaucous, pan icu- 

 lately forking above ; leaves mucrouate. decurrent, the upper lanceolate ; 

 flowers long-peduncled, terminal, blue; calyx lobes as long as the tube of the 

 corolla, dilated and membranaceous at the base. South Florida. (T) 

 Corolla 12" -15" long. 



3. GENTIANA, Tourn. GENTIAN. 



Calyx 4 - 5-parted. Corolla bell-shaped or funnel-shaped, 4 - 5-lobed, mostly 

 with plaited toothed appendages between the lobes. Stamens 4-5. Stigmas 

 2, sessile, compressed, persistent. Capsule 1 -celled, 2-valved, many-seeded; 

 the seeds sutural, or covering the inner face of the valves. Flowers showy, 

 solitary or clustered, axillary and terminal. 



* Annual : corolla funnel-shaped, destitute of appendages : anthers versatile: 



rajisule sessile : seeds wingless. 



1 . G. quinqueflora, Lam. Stem 4-angled, slender, branching ; leaves 

 ovate or ovate-lanceolate, slightly clasping at the base, 3 - 5-nerved flowers 

 3 - 5, terminating the short branches ; corolla blue, rather slender, with ovate 

 bristle-pointed entire lobes, ranch longer than the subulate calyx lobes. Dry 

 soil along the mountains. August - Sept. Stem 1- 2 high. Leaves 1' long. 

 Corolla 1' long. 



2. G. crinita, Froel. Stem terete below, the upper portion and branches 

 4-angled ; leaves lanceolate, acute, closely sessile, the lowest narrowed into a 

 petiole ; flowers terminal, on long angular peduncles ; calyx lobes 4, ovate- 

 lanceolate, acute, as long as the tube of the corolla; lobes of the corolla 4, 

 fimbriato, nearlv as long as the tube. Damp soil along the mountains. 

 Oct -Xov Stem l-2 high, often much branched. Leaves l'-2' long. 

 Corolla bine, l|'-2' long. 



* * Perennial: corolla Ml -shaped, with plaite d toothed appendages between the 



lobes: anthers erect, mostly connivent : capsule stipitate : seeds commonly 

 winged. 



3. G. OChroleuca, "Frcel. Stem low, smoothish ; leaves oblong or 

 obovate-obloug, the upper narrower and acute; flowers single or clustered; 



