354 



gentianace^e. (gentian family.) 



*-*-««- Flowers scattered, 

 G. S. Elliottii, Stcud. 



on long peduncles, white or purple : branches alternate. - 

 Stem low, terete, paniculately much branched 



from near the base, the branches diffuse; leaves small, sessile; the lowest 

 obovate, the upper linear; lobes of the corolla 3-4 times as long as the short 

 filiform calyx-lobes. (S. paniculata, EU.) — Open pine barrens, Florida to 

 South Carolina. Aug. and Sept. — Stems i'-l^'high. Leaves 3'' -6" long. 

 Corolla 8"- 10" wide. 



7. S. gracilis, Pnrsh. Stem slightly 4-angled, erect or reclining, diffuse, 

 the branches 1 -3-flowered ; leaves linear or oblong-linear, the uppermost almost 

 filiform ; flowers terminating the short branchlets ; lobes of the corolla obovate- 

 oblong, rather longer than the filiform calyx-lobes. - -Low grassy pine barrens 

 and meadows, Florida to Mississippi, and northward. July and Aug. — Stem 

 Blender, 1° - U° long. Leaves 1'- U' long. Corolla 12"- 15" wide. 



8. S. Stellaris, Pnrsh. Stem obscurely 4-anglcd, slender, paniculately 

 branched, the branches elongated ; leaves somewhat fleshy, the lowest lanceolate 

 or oblong, obtuse, the upper linear, acute ; flowers on very long peduncles ; lobes 

 of the corolla oblong, longer than the filiform calyx-lobes. — Salt marshes, 

 Florida, and northward. Aug. and Sept. — Stem l°-3°high. Leaves l'-2' 

 long. Peduncles 1 '- 4' long. Corolla IV wide. 



9. S. calycosa, Porsh. Stem low, terete ; leaves thin, lanceolate or ob- 

 long, obtuse, narrowed at the base, the lowest petioled ; flowers few ; corolla 

 white, 5 - 7-lobed, shorter than the lanceolate leafy calyx-lobes. — River swamps, 

 Florida to North Carolina, and westward. July and Aug. — Stem 6'- 12' high, 

 rigid. Leaves I'- ]£' long. Corolla 8" - 10" wide. 



* * Calyx and corolla 7-1 2-parted : flowers purple. 



10. S. chloroides, Pursh. Stem erect, terete, simple, or 1-2-forking, 

 1 -5-flowered ; leaves lanceolate, sessile, uniform, or the lowest spatulate-oblong 

 and the upper linear, acute; corolla large, 8-12- (mostly 10-) parted;, com- 

 monly more than twice as long as the linear or subulate calyx-lobes. — Margins 

 of pine-barren ponds and swamps, Florida, and northward. July and Aug. — 

 Stem 1° - 1 £° high. Leaves 1 ' long. Corolla U' - 3' wide. 



11. S. Boykillii, Cray. Stem mostly simple, somewhat angled; leaves 

 lanceolate-oblong, or the lowest elliptical; flowers single or 3-7 in a terminal 

 capitate cluster, sessile and 2-bracted ; corolla 8-9-partcd, much Ionizer than 

 the oblong-lanceolate calyx-lobes. — Middle Georgia, Dr. JJoykin. — Stem 1° 

 high. Leaves 1'- 2' long. Corolla \\' wide. 



12. S. gentianoides, EU, 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 and Aug. 

 — Stem l°-2° high. Leaves 1 >'-:(' long. Corolla 2' wide. 



