GENTIANACE.?:. S04 FRASERA, 



3. SABBA'TIA. 



Calyx 5 — 12-parted; corolla rotate, limb 5 — ISparted; 

 stamens 5( — 12); anthers erect, at length recurved, 2-cellcd, 

 cells distinct; stigma 2-parted, with spiral divisions; capsule 

 1-celled, the valves a little introflexed. 



Named by Adanson in honor of Sabbali, an Italian botanist of 1772, who 

 publislied nianj fine botanical works. Herbs, mostly annual. Fls. in the 

 American species mostly rose-colored. 



1. S. STELLA'rIS. p. S. gracilis. Ell. 

 Stem erect, terete; i7-«nc//e5 dichotonious, elongated, 1-flowered; leaves 



lanceolate, acute ; segments of the ctilijx subulate, half as long as the corolla ; 

 segments of the corolla obovate. Frequent in salt marshes. Stems some- 

 what angular, 12 — 18 inches high, with many forked divisions, forming 

 a sort of loose corymb. Leaves somewhat fleshy, 1 — 2 inclies long, 

 sessile. Flowers rose-color, with a yellow star in the centre bordered with a 

 purple ring. Aug. Bien. Star-like Subbatia. 



2. S. chloroi'des. 



Stem slender, weak angular ; leaves ]anceo]s.te, erect; branches few, 1-flow- 

 ered ; floiccrs 7 — 1'2-parled ; sepuls linear, shorter than the corolla. An 

 elegant plant, with large, showy flnw^ers, in wet grounds. The stem is 2 — 3 

 feet high, somewhat angular, with few, opposite, spreading branches. Leaves 

 an inch long, opposite, entire, smooth, closely sessile, acute, nerveless. 

 Flowers solitary, terminal. Corolla much larger than the calyx, bright purple, 

 with a yellow base, segments spathulate, rounded at end, varying in number 

 with the other parts of the flower. June. Bien. 



3. S. CALYCO'S.\. 



Slem erect, leafy, few-flowered ; leaves oblong, 3-nerved, obtuse ; Jloioers 

 solitary, 7 — 9 parted; cali/x leafy, longer than the corolla ; pc/a/5 oblanceolate. 

 Fields and meadows. Stem a foot high, subangular, with a few, axillary, 

 spreading branches. Leaves 1 — 2 inches long, sessile, mostly obtuse, oval, 

 thin. Flowers large, terminal, often solitary, variable in the number of its 

 parts, but mostly in 7s. Corolla pink-colored. Sepals acute. This species 

 is quite variable. Aug. Bien. 



4. S. angula'ris. 



Slem erect, square, the angles somewhat winged ; leaves ovate, aniplexicaul ; 

 peduncles elongated, coryiiibed ; sepaJs lanceolate, much shorter than the 

 corolla. Wet meadows. Stem straight, 10 — 18 inches high, with opposite 

 branches. Leaves closely embracing the stem, obscurely 5-nervcd. Fls. pen- 

 tamerous, petals obovate, obtuse. Aug. Ann. and Bien. American Centaury. 



4. FRASE'RA. 

 Flowers mostly tctramerous ; petals united at base, oval, 

 spreading, deciduous, each with 1 — 2 bearded, orbicular 

 glands in the middle; style 1; stigmas 2, distinct; capsule 

 compressed, l-celled ; seeds few, imbricate, large, elliptic, 

 margined. 



In honor of John Fraser, an American cultivator of exotics. 

 F. WaLTE'ri. Mx. F. Caroliniensis. Walt. F. verticillala. Jl/wA. 



Stem erect, terete, glabrous ; leaves opposite and verticillate, oblong-lanceo- 

 late ; raceme elongated, dense ; calyx longer than the corolla ; glands solitary. 



