LOBELIACEjE. 383 



^ 160. S. asper, Vill. Annual; leaves dentate or slightly ruacinate ; corymbs eglanda- ^' 

 dular; achenium smooth: streaks 3(-5), diverging. — Hab. Jamaica, March, a weed; Q, 

 [Europe I to the Cape !, East Indies !, Australia !, New Zealand ! ; French islands I ; Newfound- 

 land to Chili]. 



XCVI. LOBELIACE^. 



Corolla sympetalous, asymmetrical. Stamens 5, epigyuous, rarely inserted into the co- 

 rolla : anthers connected. Ovary inferior or semi-inferior, syncarpous : ovules indefinite ; 

 style with collecting hairs. Embryo straight, included in the albumen. — Leaves alternate, 

 exstipulate ; inilorescence usually racemose ; odd calyx-lobe distant from the axis. 



The milky juice in this Order is very acrid. Tupa is reputed venomous, and Isotoma 

 longiflora is one of the most poisonous plants of the West Indies. 



1. CENTROPOGON, Prl. 



Corolla 2-lipped : tube entire, incurved. Two anthers awned at the t6p. Berry 2- 

 celled. — Sufiuticose herbs or shrubs ; pedicels axillary. 



1. C. surinamensis, Prl. Glabrescent; leaves shortly petioled, ovate or ovate-ob- 

 long, pointleted, rounded at the base, serrulate ; pedicels shorter than the leaf, bracteolate 

 near the base ; calyx-lobes lanceolate-acuminate, longer than the hemispherical tube ; corolla 

 crimson, slightly dilated ; column long-exserted : anthers pilose, 3 bearded at the top ; berry 

 globose. — Bot. Mag. t. 225. — Lobelia, L. — ^A shrub ; corolla li" long ; exserted part of the 

 filaments 4'" long, a.' long as the anthers. — Had. S. Vincent ; Trinidad !, Zane, Cr. ; [Vene- 

 zuela!, New Granada I, Peru!, Guiana !, Brazil !]. 



2. SIPHOCAMPYLTJS, FoU. 



Corolla 2-]ipped: tube entire, or the petals distinct at the base. All or two anthers 

 bearded at the top. Fruit 3-celled, capsular, rarely baccate. — Pedicels axillary. 



2. S. Berterianus, 6. Don^ Scandent, glabrous ; leaves ovate, acuminate vrith a 

 narrow point, rounded at the base, remotely serrvdate and erenulate-repand, petioled, exceed- 

 ing the pedicels ; calyx-lobes subulate : tube ovoid ; coroUa clavate, straightish, crimson : 

 limb short ; anthers all bearded at the top : terry globose. — Lobelia, Spreng. Centropogon, 

 A. DC: separated from Siphocampylus and referred to Centropogon on acconnt of its berry, 

 but from habit and awnless anthers a congener of the former. — A suffruticose climber • co- 

 rolla equalling the stamens, 1" long ; berry 4'" diam. — Hab. Domiuica I, Imr. ; [Haiti !, 

 Guadeloupe!]. 



3. LOBELIA, L. 



Corolla 2-lipped : tube cleft on the anterior (superior by torsion) side. Two or all anthers 

 bearded at,the top, rarely glabrous. . Stigma, 2-lobed. Capsule 2-celled, opening at the top. 

 / — Flowers usualb/ racemose. 

 ^ 3. Z>. Cliffortiana, L. Annual, glabrous or glabrescent ; leaves ovate, unequally aud 

 obtusely serrate, petioled ; raceme loose : pedicels filiform, exceeding the lamceolate bracts ; ft 

 calyx-tube'turbinate-campanulate : lobes linear-acuminate, half as long as the corolla; 2 an- 

 thers bearded ; capsule produced beyond the cahx4ube. — L. Cliff', t. 26. — L. xalapensis, 

 Kth. . a form with the ovary nearly superior. —1' high, delicate; corolla purplish-blue, 2'" 

 long. — Hab. Jamaica !, Maef, Al., Wils., March, in waste places ; Dominica !, Imr. (L. 

 xalapensis) ; Trinidad!, Pd.i [Cuba! and Mexico ! to Brazil]. 



4. Ii. trinitensis, Gr. (n.sp). Annual, glabrous: stem angular; leaves lanceolate, 

 crenulate or subentire, subdecurrent, the lowest elliptical, subsessile; raceme slender, inter- 

 rupted; pedicels usually half as long as the bracts j calyx- tube campanulate-: lobes subu- 

 late, including the corolla, half as long as the capsule; 2 anthers shortly bearded, the rest 

 glabrous : capsule inferior, with the valves exserted. — Eclated to Z. camporum, Pohl, which 

 has a longer corolla; and to L. anceps, Thunb., distinguished by short calyx-lobes: in L. 

 domingemis, A. DC, all anthers are said to be hairy at the top.— 8' -12" high, slender; 



