GEXTIANACE.E. (geXTIAN FAMILY.) 337 



as the linear calyx lobes. — Low rich grounds. August. — Stem l°-2° high. 

 Leaves 1'- U-' loug. Corolla T wide. 



5. S. braehiata, EH- Stem erect, terete, paniculately branched near 

 the suniniit ; leaves sessile, lanceolate, the upper linear, acute, the lowest 

 clustered ; flowers in small loose peduncled cymes, terminating the branches, 

 and forming an oblong or pyramidal panicle ; lobes of the corolla narrowly 

 oblong, twice as loug as the linear calyx lobes. — Low grounds in the middle 

 and upper districts. July -August. — Stem 2° high. Leaves 1' loug. Co- 

 rolla 1' wide. 



4- -f- -)- Flowers scattered, on long peduncles, ichite or purple : branches 

 alternate. 



6. S. Elliottii, Steud. 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. Ell.) — Low pine barrens, Florida to 

 South Carolina. August -Sept. — Stems |°-li° high. Leaves 3" -6" 

 long. Corolla 8"- 10" wide, white. 



7. S. gracilis, Pursh. 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. July -August. — Stem slender, l°-li°long. 

 Leaves I'-l^' long. Corolla 12" -15" wide, purple. 



8. S. stellaris, Pursh. Stem obscurely 4-angled, slender, paniculately 

 long-branched ; leaves somewhat fleshy, the lowest lanceolate or oblong, ob- 

 tuse, the upper linear, acute ; flowers on very long peduncles ; lobes of the 

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

 gust-Sept. — Stem l°-3° high. Leaves r-2' long. Peduncles r-4' 

 long. Corolla 1^' wide, purple. 



9. S. calyeosa, Pursh. 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. July -August. — Stem 6'- 12' high, rigid. Leaves I'-l^' long. 

 Corolla 8"- 10" wide. 



* * Ciili/x and corolla 7 - \2-parted : floicers purple. 



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

 1 - 5-flowered ; lea\ es lanceolate, sessile, uniform, or the lowest spatulate- 

 oblong and the upper linear, acute; corolla large, 8-12- (mostly lO-i parted, 

 commonly more than twice as long as the linear or subulate calyx lobes. — 

 Margins of pine barren ponds and swamps. July - August. — Stem l°-2° 

 high. Leaves V long. Corolla l|'-3' wide. 



11. S. Boykinii, Gray. Stem mostly simple, somewhat angled ; leaves 

 lanceolate oljlong, or tlie lowest elliptical ; flowers single or 3 - 7 in a terminal 

 capitate cluster, sessile and 2-bracted; corolla 8-9-parted, much longer than 

 the oblong-lanceolate calyx lobes. — Middle Georgia {Dr. Boykin). — Stem 

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



22 



