354 GENTIANACEiE. (c.KNTIAN FAMILY.) 



t^ ■*- -t- Flowers scattered, on long peduncles, ichite or purple: branches altematp. 



6. S. EUiottii, Stcud. Stem low, terete, paniculately much branched 

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

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

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

 South Carolina. Aug. and Sept. — Stems ^'-1^' high. Ltavcs 3"-6" long. 

 Corolla 8"- 10" Vide. 



7. S. gracilis, Pursh. Stem slightly 4-anglcd, erect or reclining, diffuse, 

 the branches 1 -3-flo\vered ; leaves linear or oblong-linear, the uppermost almost 

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

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

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

 slender, 1°-U° long. Leaves I'-li' long. Corolla l:i"- 15" wide. 



8. S. Stellaris, Pursh. 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 1^' wide. 



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

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

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

 Florida to North Carolina, and westward. July and Aug. — Stem C'-I2' high, 



rigid. Leaves 1' - U' long. Corolla 8" - 10" wide. 



» 



* * Cahjx and corolla "i -\2-partcd : flowers purple. 



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

 1 - 5;flowerc(l ; 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 lo-U° high. Leaves 1' long. Corolla U'-3' wide. 



11. S. Boykinii, Gray. 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-bractcd ; corolla 8-9-partcd, much longer than 

 the oI)long-lanceolate calyx-lobes. — Middle Georgia, Dr. Boi/Icin. — Stem 1° 

 high. Leaves l'-2' long. Corolla U' wide. 



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

 lanceolate or olilong, 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 l.V'-3' lung. Corolla 2' wide. 



