GENTIANACEAE. 



VOL. III. 



anthers linear or oblong, curved, revolute or coiled in anthesis. Ovary i-celled, the placentae 

 intruded; style 2-cleft or 2-parted, its lobes filiform, stigmatic along their inner sides. Cap- 

 sule ovoid or globose, 2-valved, many-seeded. Seeds small, reticulated. [In honor of L. 

 and C. Sabbati, Italian botanists, according to Salisbury, Parad. Lond. pi. 32, therefore 

 Sabbatia, though Adanson's spelling was Sabatia.] 



About 1 8 species, natives of eastern North America, the West Indies and Mexico. Besides the 

 following, some 6 others occur in the southern United States. Type species : Chironia dodecandra L. 

 Flowers normally 4-s-parted, sometimes 6-7-parted. 

 Branches opposite. 



Style 2-parted to below the middle or nearly to the base ; flowers white. 



Leaves lanceolate or ovate, acute ; flowers 8" 12" broad. i. 5". lanceolata. 



Leaves linear-oblong or lanceolate, obtuse ; flowers 6"g" broad. 2. S. paniculata. 



Style 2-cleft to about the middle ; flowers normally pink. 



Leaves linear-lanceolate, sessile ; stem slightly 4-angled. 3. S. brachiata. 



Leaves ovate, cordate-clasping ; stem strongly 4-angled. 4. 5". angularis, 



Branches alternate, the lower sometimes opposite in nos. 5 and 6. 



Calyx-segments foliaceous, longer than the corolla. 5. S. calycina. 



Calyx-segments linear or lanceolate, not longer than the corolla. 



Calyx-tube s-ribbed ; flowers i'2 f broad ; leaves ovate to oblong. 6. S. campestris. 



Calyx-tube scarcely ribbed; flowers I'-iJ^' broad; leaves linear to lanceolate. 

 Calyx shorter than the corolla ; style 2-parted. 



Flower pink with a yellow eye (rarely white) ; corolla-segments obovate. 



7. S.stellaris. 

 Flowers white, very numerous ; corolla-segments spatulate or oblanceolate. 



8. S.Elliottii. 

 Calyx-segments filiform, as long as the corolla; style 2-cleft. 9. S.campanulata. 



Flowers normally 8-i2-parted, ij^'-2j^' broad. 10. S. dodecandra. 



i. Sabbatia lanceolata (Walt.) T. & G. 

 Lance-leaved Sabbatia. Fig. 3336. 



Chironia lanceolata Walt. Fl. Car. 95. 1788. 



5". lanceolata T. & G. ; A. Gray, Man. 356. 1848. 



Stem branched above, or simple, slender, some- 

 what 4-angled, or terete below, l-3 high, the 

 branches all opposite. Leaves lanceolate to ovate, 

 acute, or the lower sometimes obtuse, 3-5-nerved, 

 i '-2' long, or the lowest shorter, the uppermost 

 reduced to narrow bracts; flowers white, fading 

 yellowish, 8"-i2" broad, usually numerous in 

 bracfeolate corymbed cymes ; pedicels slender, 

 2" 7" long; calyx-lobes filiform-linear, much 

 shorter than the corolla ; corolla-segments oblong 

 or slightly obovate ; anthers recurved ; style 

 2-parted ; capsule ovoid, about 3" high. 



In pine-barren swamps, New Jersey to Florida. 

 May-Sept. 



2. Sabbatia paniculata (Michx.) Pursh. 

 Branching Sabbatia. Fig. 3337. 



C. paniculata Michx. Fl. Bor. Am. i : 146. 1803. 

 5". paniculata Pursh, Fl. Am. Sept. 138. 1814. 



Stem usually freely branching, 4-angled, 

 i-2i high, the branches all opposite. Leaves 

 linear, linear-oblong, or lanceolate, obtuse, 

 i'-ii' long, the lower commonly shorter and 

 broader, the uppermost small and bract-like ; 

 flowers white, 6"-o/' broad, usually very nu- 

 merous in corymbed cymes ; pedicels mostly 

 short, the central flowers of the cymes often 

 nearly sessile; calyx-lobes linear, not more 

 than one-half the length of the corolla; co- 

 rolla-segments spatulate-oblong; anthers re- 

 curved or coiled ; style 2-parfed ; capsule ob- 

 long, about 3" high. 



In dry or moist soil, Virginia to Florida. May- 

 Sept. 



