LOBELIACEjE. 885 



160. S. asper, Fill. Annual; leaves dentate or slightly runcinate ; corymbs eglandu- 

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

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

 land to Chili]. 



XCVI. LOBELIACE^l. 



Corolla sympetalous, asymmetrical. Stamens 5, epigynous, 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 ; inflorescence usually racemose ; odd calyx -lobe distant from the axis. 



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

 longifiora 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 top. Berry 2- 

 celled. — Suflruticose 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-cxserted : anthers pilose, 3 bearded at the top ; berry 

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

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

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



2. SIPHOCAMPYLUS, Pohl. 



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

 bearded at the top. Fruit 2-celled, capsular, rarely baccate. — Pedicels axillary. 



2. S. Berterianus, Q. Bon. Scandent, glabrous ; leaves ovate, acuminate with a 

 narrow point, rounded at the base, remotely serrulate and crenulate-repand, petioled, exceed- 

 ing the pedicels ; calyx-lobes subulate : tube ovoid ; corolla clavate, straightish, crimsou : 

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

 A.BC: separated from Siphocampylus and referred to Centropogon on account of its berry, 

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

 rolla equalling the stamens, 1" long ; berry 4'" diam. — Hab. Domiuica !, 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 usually racemose. 



3. I». Cliffortiana, L. Annual, glabrous or glabrescent ; leaves ovate, unequally aud 

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

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

 thers bearded ; capsule produced beyond the calyx-tube. — L. Cliff. I. 26. — L. xalapensis, 

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

 long. — Hab. Jamaica 1, Macf., Al., Wils., March, in waste places; Dominica!, Imr. (L. 

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



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

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

 rupted ■ pedicels usually half as long as the bracts ; 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. — Related to L. camporum, Pohl, which 

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

 don.ingen&h, A. DC, all anthers are said to be hairy at the top.— 8"-12" high, slender ; 



