EUPHORBIACEjE. '41 



bearing stipitate glands below; styles 4 -partite ; seeds . . . — Nearly allied to C. penicillatus, 

 Vent., but distinguished by having glabrous leaves, and globose, subsessile, basilar leaf- 

 glands. — Hab. Jamaica! 



50. C. humilis, L. Branchlets pilose ; leaves ovate or ovate-lanceolate, usually 

 pointed, repaud-entire or denticulate, scabrous above, white-tomentose or glaucous-pubescent 

 beneath, bearing distant glands on the margin and two at the base : glands stipitate or sub- 

 sessile, globose, minute : stipules minute, glanduliform, caducous ; stamens oo ; style i-par- 

 tite ; seeds oval. — A shrub, l'-2' high; leaves variable, l"-8" long, pellucid-punctate; 

 raceme terminal, often few-flowered ; petals white ; seeds obsoletely furrowed, impressed 

 around the caruncle. 



o. Petioles long, half as long or as long as the limb : marginal glands numerous, stipitate. 



$. origanifoli/is, Lam. Leaves shortly petioled : majgpal glands rare, often subsessile. 

 — Besc. Fl. 7. t. 471. — Hab. Bahamas!, Swains. (/3) ; Jamaica!, all collectors; common in 

 the southern maritime pastures ; [Haiti !] . 



Sect. 5. Barhamia. — Stamens 10-12 (-" 15 "). $ Calyx often glanduliferous. Styles 4 

 (-6) -partite : branches simple. Seeds smooth. — Shrubs or herbs: down pilose; leaves 

 usually serrate : stipules glanduliferous !, filiform, persistent. 



51. C. ovalifolius, West.! Shrubby; branchlets softly pilose ; leaves oval or oblong, 

 blunt, mucronulate, quite entire, or crenate towards the top, glabrescent above, pilose beneath 

 with soft, spreading, stellate hairs : basilar glands none : stipules exceeded by the petiole, 

 bearing a few glands ; raceme terminal, short, simple ; $ calyx large : segments ciliate 

 with stipitate glands; seeds roundish-oblong. — Barhamia, Kl. C. diffusus, Rich. — A low, 

 diffuse shrub ; leaves 12"'-8"', petiole 4"'-3'" long; seeds 1'" long, shining, light-brown, 

 convex on the back. — Hab. Jamaica ! : A I., March ; [S. Thomas ! ; Guadeloupe !, Venezuela!]. 



52. C. urticifolius, Lam. Suffrutescent or shrubby ; branchlets pilose or hispid ; 

 leaves ovate, pointed, subcordate, crenate-serrate, with the crenatures glandular, scabrous 

 with scattered stellate hairs, glabrescent above, 2-3 times as long as the petiole : basilar 

 glands subsessile : stipules with distant glands ; raceme terminal, cylindrical, solitary, or 

 compound at the base ; ? calyx pilose, glanduliferous, erect ; seeds . . . — Stem herbaceous, 

 growing woody below; leaves 2|''-1£" long. — Hab. Trinidad!, Lockh., Cr., by roadsides; 

 [Guiana, Brazil]. 



53. C. populifolius, Sw. Suffrutescent or shrubby ; branchlets pilose or glabrescent ; 

 leaves subcordate-roundish, pointleted, dentate-serrate, with the teeth minutely glandular, 

 glabrescent, nearly as long as the pilose petiole : basilar glands small, stipitate : stipules cut 

 at the base into stipitate glands ; racemes terminal and axillary, long ; $ calyx pilose, glan- 

 duliferous, spreading: segments linear; seeds ovoid. — Stem herbaceous, growing woody 

 below, 2' high ; leaves 3 "-2" diam. ; styles 4-partite ; seeds \\'" long, opaque, somewhat sca- 

 brous, convex on the back. — Hab. Jamaica (Sw.); S. Vincent!, Guild.; Grenada, Tri- 

 nidad!, Cr. 



Sect. 6. Geiseleria. — Stamens 10 (8-10). Styles bifid: branches simple. Seeds smooth. 

 — Herbs, rarely shrubs : down pilose ; leaves serrate, bearing stipitate scutellate glands 

 at the top of the petiole : stipules setaceous, persistent ; racemes short, alar or terminal. 



54. C. glandulosus, L. Annual, herbaceous, pilose; leaves oblong-lanceolate or ovate- 

 oblong, blunt, serrate, glabrescent : serratures truncate ; segments of the $ calyx equal, 

 spathulate-oblong, blunt, nearly as long as the ovate-oblong capsule ; seeds oval-roundish : 

 caruncle substipitate . — Jacq. Ic. Rar. t. 41. — Leaves approximate at and exceeding the 

 short racemes ; seeds 1 V" long, shining, brown, convex on both sides. — Hab. Jamaica !, 

 Macf; [Carolina to Mexico!, Quito, Para!]. 



55. C. chamsedryfolius, Lam. Annual, herbaceous, scabrous-pubescent; leaves 

 ovate-lanceolate, pointed, crenate-serrate, glabrescent: serratures spreading; segments of 

 the $ calyx lanceolate, bluntish, somewhat unequal, nearly as long as the globose capside ; 

 seeds oval-roundish : caruncle sessile.— SI. t. 82. /. 3. — Geiseleria, Kl.— Seeds 1'" long, 

 opaque-punctate, brown, convex on both sides. — Hab. Jamaica (SI.); Trinidad!, Cr.; 

 L Haiti; Panama !, Guiana !]. 



