424 GENTIANE^l. 



ing or equalling the stamens ; stigma-segments obovate. — 3'-4' high ; corolla 1" long.— 

 Hab. Trinidad!, Lockh., Lane, Cr., Maraccas, Pitch Lake; [Guiana! to Brazil! and 

 Peru !]. 



8. Xi. alatus, Aubl. Annual ; stem ^-winged below ; leaves elliptical or elliptical-ob- 

 long, superior sessile ; cyme-branehes racemiform, with unilateral flowers ; calyx 5-fid : 

 lobes blunt ; corolla greenish-yellow, enlarged at the throat, narrow below it : lobes round- 

 ish, equalling the stamens ; stigma-segmeuts obovate. — Aubl. t. 80. — L. Girstedii, Gr. : I 

 believe to recognize Aublet's plant in my species, from which L. trifidus, Kth. (L. aeutan- 

 gulus, Bot. Mag., L.fistulosus, Benth.) is distinguished by its broad corolla-tube and a peren- 

 nial root. — Stem slender, 1-3' high ; corolla 1" long. — Hab. Trinidad !, Cr., in savannahs, 

 S. Joseph ; [Nicaragua !, Bogota !, Guiana]. 



Sect. 2. Chelonanthus, Gr. (inclus. Macrocarpsea). — Corolla deciduous: tube gradu- 

 ally enlarged, and passing into the limb. — Herbs or shrubs ; leaves archveined. 



9. Ii. uliginosus, Gr. Annual ; stem tetragonal below ; leaves elliptical or elliptical- 

 oblong, superior sessile, often ovate-lanceolate ; cyme-branches lax, racemiform : flowers 

 cernuous; calyx 5-fid: lobes rounded; corolla blue (or white) : tube campanulate above 

 the calyx, 4 times as long as the ovate-roundish lobes ; stamens not exceeding the limb ; 

 stigma-divisions oblong-linear or linear ; capsule ovoid, thrice as long as the calyx. — L. gra- 

 cilis, Gr.: a small- leaved form with linear stigma- divisions. L. amoenus, Miq.l — Stem 2'- 

 4' high; corolla about 1" long, variable in size. — Hab. S. Vincent!, Guild.; [Guiana!, 

 Brazil !J. 



10. Li. thamnoides, Gr. (n. sp.). Suffruticose, branched ; branches obtusely tetragonal 

 below, subcylindrical above ; leaves elliptical, pointed, all petioled, inferior very large ; 

 cyme-branches corymbiform : flowers during anthesis erect : calyx 5-fid : lobes rounded ; 

 corolla greenish-yellow : tube enlarged above the calyx, 4 times as long as the ovate, blunt 

 lobes ; stamens exse.rted ; stigma-divisions oval ; capsule oblong-lanceolate, twice as long as 

 the calyx. — Habit and corolla of L. glaber, L., but branches herbaceous, and flowers smaller ; 

 inferior leaves above 1', superior 2"-3", calyx 4"', corolla 1", capsule 8"'-10'" long. — Hab. 

 Jamaica !, Macf. ; [Cuba!]. 



11. Zj. frigidus, Sw. Shrubby; branches tetragonal; leaves elliptical, pointed, 

 shortly petioled or superior subsessile ; cyme few-flowered, umbelliform ; calyx 5-fid : lobes 

 rouuded ; corolla yellow, large : tube broadly campanulate above the calyx, much larger 

 than the rouudish-reniform lobes; stamens included ; stigma-divisions oval ; capsule "ovoid- 

 oblong." — Hook. Ic. t. 195. — Inferior leaves 3" long, superior decrescent; calyx 4'", 

 corolla 2" long. — Hab. Dominica !, Imr., in the highest region of the mountains ; S. Yin- 

 cent !, Guild.; [Guadeloupe!]. 



7. LEIANTHUS, Gr. 



Calyx 5-fid or 5-partite, often keeled : divisions acuminate, slightly imbricative, at length 

 valvar. Corolla infundibular : tube clavate-obconical above the calyx. Stamens inserted 

 into the inferior part of the corolla : anthers incumbent, straight. Style persistent : stigma 

 capitate. Capsule ^-2-celled : seeds marginal on the introflexed valves. — Herbs or shrubs ; 

 flowers in terminal or axillary cymes. 



12. Ii. longifolius, Gr. Annual, sujfrutescent ; stem subcylindrical, often scabrous 

 above ; leaves petioled, lanceolate, oblong-lanceolate, or superior ovate ; cymes 3-5 -flowered, 

 often in a spreading panicle; calyx b-fid, b-winged {rarely 5 -keeled) ; corolla yellowish: 

 tube clavate-obconical, twice or thrice as long as the oblong-lanceolate pointed lobes; 

 stamens not exserted. — SI. t. 101./. 1. — Lisianthus, L. — 1£'-4' high ; corolla 1£"(-1") 

 long. 



a. Calyx-wings lanceolate-linear. — Br. Jam. t. 9./. 1. 



P. gracilis. Calyx 5-keeled with narrow, linear keels ; leaves lanceolate. 



y. cordifolins. Calyx obtusely 5-keeled ; leaves small, superior cordate-ovate, shortly 

 petioled. — Br. Jam. t. 9./. 2. — Lisianthus cordifolius, L. (Leianthus, Gr.). — Hab. Jamaica !, 

 all coll., in woods, along rivers (o, /3, y) ; [Cuba!]. 



13. Xj. latifolius, Gr. Shrubby; branches obtusely tetragonal; leaves elliptical-ob- 



