424 GENTIANE^. 



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

 Hab. Trinidad I, Loclch., Land, Cr., Maraccas, Pitcli Lake ; [Guiana 1 to Brazil ! and 

 Peru I]. 



8. Ij. alatus, Aubl. Annual; stem 4i-mnged below ; leaves elliptical or elliptical-ob- 

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

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

 ish, equalling the stamens ; stigma-segments obovate. — Aubl. t. 80. — L. (Erstedii, Gr. ; I 

 believe to recognize Aublet's plant in my species, from which L. trifichis, Kth. (£. acutan- 

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

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

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



Sect. 2. Ghelonanthus, Gr. (inclits. Macrocarpiea). — Corolla deciduous: tube gradu- 

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



9. Ii. uliginosus, Gr. Annual; «#«»« ieira^oMflZ ^«fo«o ; 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-liaear or linear ; capsule ovoid, thrice as long as the calyx. — L. gra- 

 cilis, Gr. ! a small-leaved form with linear stigma-divisions. L. amcenus, Miq. I — 'Stem 2'- 

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

 Brazil !J. 



10. Ij. thamnoides, Gr. {n. sp). Sa^^ifjco**, branched ; branches obtusdy tetragonal 

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

 cyme-branches coiymbiform : 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 estseried ; stigma-divisions oval ; capsule oblong-lanceolate, twice as long as 

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

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

 Jmamca\, Macf. ; [Cuba!]. 



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

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

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

 than the roundish-rentform lobes; stamens included; stigma-divisions oval ; capsule "ovoid- 

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

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

 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. !■. longifolius, Gr. Annual, suffrutescent ; stem subcylindrical, often scabrous 

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

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

 tube ciavate-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.f. 1. 



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



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

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

 all coU., in woods, along rivers (a, fi, y) ; [Cuba!]. 



. 13. Ii. latifolius, Gr. Shrubby; branches obtusely tetragonal; leaves eUiptical-ob- 



