GENTIANAC! \r 



Vol. III. 



.S". lanceolata. 

 S.paniculata. 



S. bracliiala. 

 S. angularis. 



5. 5 1 . calycina. 



6. S. campeslris. 



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

 intruded; style 2-cleft or 2-parted, it-- 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 18 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 4-5-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. 

 Leaves linear-oblong or lanceolate, obtuse ; flowers 6" 9" broad. 

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

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

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

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

 Calyx-segments foliaceous, longer than the corolla. 

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



Calyx-tube 5-ribbed ; flowers 1' 2' broad; leaves ovate to oblong. 

 Calyx-tube scarcely ribbed; flowers i'-i'/ 2 ' 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. 5". campanulata. 



Flowers normally 8-12-parted, lYz'-zVi' 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, I "-3 high, the 

 branches all opposite. Leaves lanceolate to ovate, 

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

 1 '-2' long, or the lowest shorter, the uppermost 

 reduced to narrow bracts; flowers white, fading 

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

 bracteolate corymbed cymes; pedicels slender, 

 2"-y" long; calyx-lobes lili form-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. 1: 146. 1803. 

 5 1 . paniculata Pursh, Fl. Am. Sept. 138. 1814. 



Stem usually freely branching, 4-angled, 

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

 linear, linear-oblong, or lanceolate, obtuse, 

 -l long, the lower commonly shorter and 

 broader, the uppermost small and bract-like; 

 flowers white, 6 "-9" 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. 



