BOKAGINE.E. 485 



40. T. tomentosa, Mill. Leaves pubescent above, hoary -tomentose beneath, ovate- 

 lanceolate or ovate-oblong, acuminate, petioled ; spikes corymbose, villous; corolla-tube 

 villous, twice as long as the calyx, scarcely longer than the linear-filiform lobes ; anthers 

 ovate, pointleted, included, inserted below the corolla-throat ; drupe 4(-l)-globose, glabrous. 

 — T. sericea, V. ?, Fresen. — A scandent shrub ; leaves 3"— 14", corolla-tube 1'" long. — 

 IJab. Jamaica !, Mac/. ; Montserrat {ex synon. V.) ; Trinidad !, Lockh., Or., on dry hills ; 

 [Brazil]. 



41. T. poliochros, fipreng.l Slender; leaves hispidulous above, hoary-tomentose 

 beneath, sharply lanceolate-acuminate, shortly petioled ; spikes few-branched, divaricate ; 

 corolla-tube pubescent, twice as long as the calyx, about half as long again as the linear- 

 filiform lobes ; anthers ovate, pointletcd, included, inserted about the middle of the corolla- 

 tube; drupe 4(-l)-lobed, glabrous: lobes globose. — A sutFruticose climber; leaves 2"- 1", 

 corolla-tube 1'" long. — Hab. Jamaica!, Wils., Bancr., March. 



42. T. incana, Lam. Slender ; leaves hispidulous above, scabrous-pubescent (or 

 hoary) beneath, oblong-lanceolate or oblong-linear, acuminate with a bluntish point, 

 petioled ; spikes usually short, few-branched, diverging ; corolla-tube pubescent, thrice as 

 long as the calyx, about twice as long as the linear -filiform lobes ; anthers ovate, poiutleted, 

 included, inserted about the middle of the corolla-tube; drupe 4(-l)-lobed, glabrous : lobes 

 globose. — Lam. III. t. 95./". 3. — T. minuta, Berter. (ex Bescr.). T. sericea, V.?, Cham. — 

 A small, trailing or snberect shrub; leaves l"-\" (-14"), corolla-tube 1'" long. — Hab. 

 Jamaica (ex synon. Berter.) ; [Cuba !, Haiti !]. 



6. HELIOTllOPITJM, L. 



Calyx 5-partite, rarely 5-dentate. Corolla salver-shaped, plaited : lobes short. Stamens 

 included. Style simple, terminal, or none : stigma supported by a ring. Nutlets 4, all 

 seceding or united in pairs. — H erbs or low shrubs ; flowers one-sided, in gyrate spikes or 

 single. 



The geuera, usually separated from Heliotr opium, are aualogous to the sections of 

 Tournefortia, and would, if admitted, lead to a similar division of the latter genus. 



Sect. 1. Tiaridium, Lehm. — Fruit 2-lobed, the conical, coslale nutlets being united in 

 pairs. — Corolla contracted at the glabrous throat. Anthers distinct. Stigma peltate- 

 hemispherical, as long as the style. Spikes cbracteate. 



43. H. indicum, L. Annual, pilose ; leaves ovate or subcordate, contracted into the 

 long petiofe, crenate-repand ; spikes elongated, simple ; anthers inserted below the middle 

 of the corolla-tube ; fruit glabrous : lobes diverging, 2-dentate .• carpids with an empty 

 cavity along the commissure. — Besc. Fl. 1. t. 483. — Tiaridium, Lehm. Heliophytum, BC. 

 — V'-2' high; flowers pale-blue. — Hab. Jamaica!, all coll., a weed; Nevis, Antigua!, 

 Wullschl. ; Trinidad !, Sch. ; [Illinois ! to Buenos Ayres !, and all tropical countries.] 



Sect. 2. Heliophytum, Cham. — Fruit didymous, the subglobose nutlets being united in 

 pairs. — Corolla-tube open. Authers distinct. Spikes cbracteate. 



44. H. paryiflorum, L. Annual or suffrntesccnt, pilose ; leaves ovate-lanceolate, 

 ovate, or lanceolate-oblong, pointed, petioled : hairs scattered above, confined to the veins 

 beneath ; spikes slender, simple or 2-partite ; anthers oblong, pointed, inserted below the 

 middle of the shortly exserted corolla ; stigma convex, sessile, puberulous ; fruit rugose, 

 glabrescent, shortly 4-/obed : carpid-pairs parallel. — Bill. Elth. t. 146. — Heliophytum, BC. 

 H. fnetidum, BC. H. hnmile, Paepp. Cub. (non Lam.). — 1'-2' high ; leaves often opposite; 

 corolla white : tube \ w long : limb hairy above. — Hab. Bahamas !, Swains. ; Jamaica!, all 

 coll., a weed ; Antigua !, Wullschl., S. Vincent !, Guild. ; Trinidad !, Or., Lockh., common 

 on dry banks during the wet season ; [Key West ! ; Cuba ! and Mexico ! to Peru ! and 

 Brazil!; Galapagos!]. 



Sect. 3. EiiiLLioi'EOFiUM. — Fruit of 4 seceding nutlets. Spikes ebracteate. — Corolla 

 usually glabrous at the throat. Authers mostly distinct. 



45. H. inundatum, Sw. I Annual or sufl'rutesceut, hairy-subcanescent with appressed 



