ORDER LXXXII. GENTIANACEiE. 437 



Genus II.— FRASE'RA. Walt. 4—1. 

 (In honor of Jolin Frasor.) 



Calyx 4-parted, with the segments lanceolate. Corolla 4- 

 parted, with a paracorolla in the center of each segment. Caj)- 

 sule l-celled, 2-vaIved. Seed compressed, winged, elliptical. 



1. F. Walte'ri, (Mich.) Stem erect, angled, branching, furrowed. 

 Leaves verticillate or opposite, glabrous ; the lower ones lanceolate- 

 oblong, long ; the upper ones narrower, small. Flowers verticillate ; 

 segments of the corolla lanceolate. Stamens 4. Stigmas 2. — Red and 

 yellow. $ . July — Aug. Middle Car. 6 — 8 feet. 



Wild Columbo. F. CaroUnensh, "Walt. 



Genus III.— SABBA'TIA. DL. 5—1. 

 (In honor of Sabbati, an Italian botanist.) 



Calyx 5 — 12-parted, persistent. Corolla rotate, 5 — 12- 

 parted. Stamens 5 — 12. Stiffinas 2, spiral. Capsule 1 -celled, 

 2-valved. 



1. S. rANicuLv'TA, (Ell.) Stem erect, much branched, marked by a 

 decurrent line. Leaves linear-lanceolate. Floivers in diffuse panicles ; 

 segments of the calyx setaceous. Corolla with the segments lanceo- 

 late. — White, li. July — Oct. Pine-barrens. Common. 



2. S. coRYMBo'sA, (Bald.) Stem, erect, branches near the siimmit^ 

 opposite, quadrangular. Leaves ovate, sessile. Floicers in corymbs. 

 Corolla usually C-parted, much longer than the calyx. Stame7is usually 

 6. — White. If. June — July. Wet pine-barrens. 



3. S. gra'cilis, (Sal.) Stem erect, slightly furrowed. Leaves lance- 

 olate, opposite, sessile ; upper ones linear. Flowers in corj^mbs. Cali/x 

 tuibinate, with linear segments. Corolla with obtuse obovate segments. 

 Stamens 5. Style short. — Red and yellow. 0. July — Sept. C)n the 

 sea-coast. 12 — 18 inches. 



4. S. braciiia'ta, (Ell.) Stem erect, slightly angled, with brachiate 

 branches. Leaves lanceolate. Flowers in panicles, gtiierally 3 at the 

 extremity of each branch ; segments of the calyx linear-lancoolatc ; 

 those of the corolla obovate. — Red. U- June — Aug. Middle Car. 

 and Geo. 1 — 2 feet. 



5. S. angula'ris, (Pursh.) Stem erect, angled, winged, glabrous, with 

 opposite, brachiate branches. Leaves cordate-ovate, teriiatc, amplexi- 

 caul. Calyx angled, with subulate segments. Corolla with 5 obovate 

 segments. Stamens 5. — Red. If. Jul}' — Aug. In rich soils. 1 — 2 ft. 



6. S. caltco'sa, (Pursh.) Steyn slightly angled, sparingly branched, 

 <^L simple. Leaves sessile, oval, obtuse. Floicers terminal, frequently 

 soliiaiy. Calyx usually lOparted, with the segments leafy. Corolla 

 1 — 10-parted, with lanceolate segments^ — Red. U ? June — Sept In 

 rich and wet soils. 1 — 2 feet. 



7. S. chloroi'des, (Pursh.) Stem erect, slender, branching. Leaves 

 lanceolate, erect; segiuents of the calyx 7 — 12-parted, linear, shorter 

 than the corolla. Corolla 8 — 12-parted, with the segments lanceolate 

 —Red. U ? July — Sept. Around ponds. 



