ORDER LXXXII. — -GENTIAN ACE^. 437 



Genus II.— FRASE'RA. Walt, 4—1. 

 (In honor of John Fraser.) 



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

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

 sule 1-celled, 2-valved. 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. Carolinensis, 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. Stigmas 2, spiral. Capsule 1-celled, 

 2-valved. 



1. S. fanicula'ta, (Ell.) Stem erect, much branched, marked by a 

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

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

 late. — White. 11. July — Oct. Pine-barrens. Common. 



2. S. corymbo'sa, (Bald.) Stem erect, branches near the summit, 

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

 Corolla usually G-parted, much longer than the calyx. Stamens usually 

 6. — White. 11. June — July. Wet pine-barrens. 



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

 olate, opposite, sessile ; upper ones linear. Flowers in corymbs. Calyx 

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

 Stamens 5. Style short. — Red and yellow. Q. July — Sept. On the 

 sea-coast. 12 — 18 inches. 



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

 brandies. Leaves lanceolate. Flowers in panicles, generally 3 at the 

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

 those of the corolla obovate. — Red. If. 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, ternate, amplexi- 

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

 segments. Stamens 5. — Red. 11. July — Aug. In rich soils. 1 — 2 ft. 



6. S. calyco'sa, (Pursh.) Stem slightly angled, sparingly branched, 

 jr -imple. Leaves sessile, oval, obtuse. Flowers terminal, frequently 

 solitary. Calyx usually 10-parted, with the segments leafy. Corolla 

 7 — 10-parted, with lanceolate segments. — Red. 11 ? June — Sept. In 

 rich and wet soils. 1 — 2 feet. 



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

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

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

 • — Red. 11 ? July — Sept. Around ponds. 



