GENTIANEiE. 425 



long, pointed, tapering into the petiole : sheath short, appressed; cymes 3-5(-l)-flowered, 

 peduncled, axillary, equalling the leaf ; cahjic i-partite, narrowly ^-keeled ; corolla yellow : 

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

 stamens included, exceeded by the style. — Lisianthus, Sw. — 6' high ; leaves 5"-3" long, 

 larger than in the preceding ; corolla a"(-li") long. — IIab. Jamaica !, Mac/., M'Nab, March, 

 in the high mountains of Port Royal. 



14. la. exsertus, Gr. Shrubby ; branches snbcylindrical or obtusely tetragonal ; 

 leaves elliptical-oblong or elliptical, pointleted, petioled : sheath truncate-spreading ; cymes 

 many-flowered, corymbiform., tenninal and axillary : calyx deeply 5-fid, destitute of keels or 

 wings ; corolla pale, narrowly cylindrical to the middle, abrnptly campauulate above it, tieice 

 or thrice exceeded by the long-exserted stamens : lobes ovate or ovate-oblong, cuspidate or 

 bluntish, much shorter than the tube. — Lisianthus, Sw. L. callosus, Berter. — 6'-12' high ; 

 corolla l"(-li") long. — ^Hab. Jamaica!, Pd., Wils., March, in the high mountains of 

 S. Andrews. 



15. Ii. umbellatus, Gr. Shrubby; branches cylindrical or slightly tetragonal ; leaves 

 lanceolate-oblong, pointed, long-tapering into the petiole : sheath truncate-spreading ; cymes 

 contracted, many-flowered, supported by ovate involucral leaves, long-peduncled : peduncles 

 axillary, equalling the leaf; calyx 5-fid, destitute of keels or wings ; corolla yellow, clavate : 

 lobes roundish or ovate, much shorter than the tube ; stamens exserted, about one-third or 

 one-fourth longer than the corolla.— -Hbo/^. lo. t. 687, 688.— 6'-20' high ; leaves 8"-10", 

 corolla about 1" long. — Hab. Jamaica I, Pd., Al., Wils., March, in high mountains,,Port- 

 land, Guy's Hill S. Anus, Dolphin Westmoreland. 



8. VOYEIA, Aubl. 



Calyx 5(-4)-fid, rarely none. Corolla salver-shaped, rarely infundibular-clavate : tube at 

 length cleft at the base. Stamens included: anthers erect, straight, sometimes connate, 

 either sessile below the corolla-throat or the filaments inserted into the upper part of its 

 tube. Style persistent : stigma capitate. Capsule 4-2-celled : seeds marginal on the intro- 

 flexed valves, usually tailed at both ends. — Herbs devoid of chlorophyll, growing on putrid 

 wood or leaves ; leaves usually reduced to scales ; flowers terminal, solitary or in corym- 

 bose cpmes. 



Sect. 1. Leiphaimos, Schlecht., Cham. — Anthers subsessile, roundish. Capsule septicide 

 at the middle. -^tea.tws herbs. 



16. V. uniflora, Lam. Stem simple, 1-flowered; scales alternate, clasping; calyx 

 5-fid, one-tenth to one-eighth as long as the corolla : lobes ovate ; corolla yellow, salver- 

 shaped : tube filiform, dilated at the base and at the throat, 6-4 times as long as the ovate, 

 pointed lobes. — Jacq. Amer. Fict. t. 89. — Gentian^ Jacq. — 6"-8" high ; corolla-tube 1" 

 long. — Hab. Jamaica !, Pd., S. Mary's at Petersfield ; S. Vincent !, Guild. ; Trinidad !, Pd., 

 Or., Arima, Aripo ; [Cuba, Trench islands ! ; New Granada !, Guiana ! to South Brazil !]. 



17. V. tenella, Guild.! Stem simple, \-fiowered; superior scales alternate; calyx 

 5-fid, onefourth as long as the corolla ; lobes ovate-lanceolate ; corolla rosy, infundibular : 

 tube campannlate, 3-4 times as long as the lanceolate lobes. — Bot. Misc. 1. 1. 25 B. — 1"- 

 4" high; corolla 4"'-6"' long.— Hab. Jamaica!, M'Nab; S.Vincent!, Guild. 



Sect. 3. Leianthostemon, Gr. — Anthers 2-atcned atthe base : filaments distinct. 

 Capsule septicide at the middle. — Leafless herbs ; flowers cymose. 



■ 18. V. luexicana, Gr. Stem simple below the cyme ; scales opposite ; cyme usually 

 few-flowered : lateral flowers shortly pedicellate, central sessile ; calyx 5-fid : lobes lanceo- 

 late, pointed; corolla small, infundibular: lobes minutely deltoid, pointed, one-foartb to one- 

 sixth as long as the tube. — Leiphaimos parasitica, Schlecht., Cham. — 4"-6" high, slender;, 

 corolla 3"'-4"' long ; seeds tailed, hair-like. — Hab. Jamaica I, Pd., in moist woods near the 

 summit of Dolphin's Peak, Westmoreland, at 3800' alt. ; [Mexico !]. 



■ 19. V. triuitensis, Gf. (n. sp.). Stem terminated by a contracted cyme; scales op- 

 posite, spreading ; flowers pedicellEftfe; calyx 5-fid : lobes subulate-setaceous ; corolla salver- 

 shaped : lobes oblong-linear, bluntish, one-fom-th to one-thii-d as long as the tube.-^Dis- ' 



