Order 95.— GENTIANACB^. 583 



1. SABBA^TIA, Adams. American Centaury. (In honor of Sab- 

 hati, a distinguished Italian botanical author.) - Calyx 5 to 12-parted; 

 corolla rotate, limb 5 to 12-parted ; stamens 5 to 12 ; anthers erect, at 

 length recurved, 2-celled, opening by chinks ; style 2-parted, slender, 

 deciduous ; capsule 1-celled, the valves a little introflexed; — @ Slender 

 herbs, very beautiful, with pedicellate, mostly roseate fls. All N. Amer- 

 ican. 



§ Corolla mostly 9 (rarely T to 12)-partocl, rose-red. Lapithea, Griseb Nos. 1, 2 



§ Corolla 5 (rarely 6)-parted. True Sabbatia. (a) 



a Branches alternate or forked.— Flowers -white or nearly so Nos. 3, 4 



— Flowers rose red, staiTed Nos. 5, 6 



a Branches opposite.— Flowers white, corymbed Nos. 7, 8 



— Flowers rose-red, panicnlato Ifos. 9, 10 



1 S. gentianoides Ell. St. strict, terete, subsimple ; Ivs. longer than the inter- 

 nodes, linear, rigid, erect, floral reflexed ; ^. 8 to lO-parted, in small, terminal and 

 axillary capitate cymes ; cal. segm. Bubulate, shorter than the obovate-spatulate, 

 obtuse petals. — Ponds in pine barrens, Ga. to la. and Tex. Plant 1 to 2f high. 

 Lts. 2 tq 3' long. Fls. very handsome, deep rose-color, 16" diam. Aug.' (Lapi- 

 thea, Griaeb.) 



2 S. cbloroides Ph. St. slender, weak, subterete ; Ivs. lanceolate, erect ; branches 

 /eic, alternate, l-flowered; fls. t. to 12-parted; sep. linear, shorter than the corolla. 

 — Wet grounds, Mass., E. I. to Ga. and Pla. St. 2 to 3f high, somewhat angular. 

 Lvs. 1 to IJ' long, closely sessile, acute, reinless. Ms. solitary, terminal Cor. 

 nearly 2' diam., much larger than the calyx, bright purple with a yellow base. 

 Jn. 



3 S. calyodsa Ph. Si. erect, terete, fork-branched, rather rigid; lvs. oblong, 3- 

 veined, obtuse ; fls. solitary, 5 to 6-parted ; cai. leafy lance-oblong, equaling or ex- 

 ceeding the corolla ; pet. oblanceolate. — Fields and meadows, Ta. to Ga. and La. 

 St. a foot high, subangular, with spreading branches. Lvs. 1 to 2' long, sessile, 

 mostly obtuse, oval, thin. Fls. on long, rigid peduncles, about 1' diam., pink col- 

 ored. Sep. acute. Fruit as large as a pea. Jn. — Sept. 



4 S. paniculata Ell. St. terete, or sUghtly angled at base; internodes much ex- 

 ceeding the leaves ; branches alternate ; lvs. linear, the lower oval and rarely 

 roundish ; panicle diffuse but its branches strict ; cal. segm. linear-seto/cecms, 2 or 



3 times longer than its tube, twice shorts than the corolla ; cor. segm. 5, obtuse. 



Damp pine barrens, South, common. Much branched, 1 to 2f high. Lvs. 4 to 

 10" long. Pis. white, 1' diam. Jl— Oct. 



5 S. gracilis Salisb. St. slightly angular, internodes twice longer than the leaves • 

 branches flaccid, l-flowered, alternate, spreading ; lvs. linear and lance-linear, the 

 lowest lance-ovate ; panicle difluse, few-flowered ; cal segments linear-setaceous, 

 about equaling the coroUa ; cor. 5-parted, lobes elliptio-oblong, obtuse. — Marshes 

 and meadows, Penn. to Pla. and La. Very slender, 1 to 2f high, with long, al- 

 most filiform branches. Fls. terminal, subsolitary, 14" broad, on long peduncles. 

 Jl., Aug. 



6 S. stelldris Ph. St. somewhat angular, sparingly fork-branched, with long 

 l-flowered branches ; lvs. lamceolate arid obovate-lanceolate, acute ; cal. segm. linear 

 varying in length but much shorter than th^ 5-parted corolla, the tube top-shaped' 

 very short. — Marshes, Can. to Car. St. 3 to 15' high, often diffusely branched'. 

 Lvs. about 1' long, the upper almost linear. JFls. of a bright rose-color, with a 

 yellow star bordered with deep red. JL^^ept. S. graoUis (Ell.), which it 

 closely resembles. 



7 S. coiymbosa Baldwin. St. slightly 4-angled, internodes twice longer than 

 the leaves ; branches opposite ; lvs. ovale.-lanceolate, 3-vemed, acutish, upper ones 

 lanceolate; cyme fastigiate, terminal; cal segm. linear, 3 times longer than its tube, 

 twice shorter than the corolla ; cor. 6 to 6-parted, white, lobes obovate-olong, ob- 

 tuse. — Pine barrens, N. J. to Ga. St. a foot high, branching near the summit. 

 Lvs. an inch in length, closely sessile. Fls. few, generally 6-merou3, white. Jn., 

 Jl. (Chironia lanceolata Walt.) 



8 S. macroph^lla Hook. St. terete, glaucous; internodes twice longer than 



