BUPHORBIACEJ!. 51 



monocarpellary. Pericarp nucamentaoeous, echiBate: seed exalbumiHous.—SuffrnticoBe 

 herbs ; flowers purplisji, axillary or racemose. 



13. K. Ixina, L. Tillous-pubescent ; leaves elliptical-lanoeolate, mucronate; flowers 

 racemose ; sepals 4, pubescent externally ; posterior petals connected at the base ; stamens 

 4 ; spines of pericarp glochidale.— J^m. Fl. \. 1. 15,— Stem erect, branched, woody below : 

 branches virgate, 6"-!?," long ; pedicels short, bibracteolate about the middle.— Hab. An- 

 tigua!, JFullscAl.; [Haiti, Cumana]. 



XIX. EUPHOKBIACE.a!. 



[Antidesmese.] 



Mowers unisexual. Pistil syncarpous, rarely reduced ; cells 1-2-ovulate : ovules pendu- 

 lous, with a fleshy inner integument. Pericarp usually capsular, tricoccous, and with the 

 endocarp separable. Embryo included within a fleshy w^sperm : cotyledons leafy. — 

 Leaves mostly simple. ^^a3^> 



Acrid, poisonous properties prevail in the milky juice {JEtiphoriia, Pedilmthiis, Tragia, 

 Acalypha, Ckeea, etc. ; poisonous trees are Hura, Sapittm,. and Sippomane) : but there are 

 some exceptions, as in the bitter-aromatic bark of many Crotort species {fiasearilla bark, 

 obtained chiefly from Croton Mnterid). The milk of Siphonia yields the American caout- 

 chouc. The oily seeds, though devoid of milk, are purgative in Ricinus and Ourcas. The 

 Cassava is the famous, nutritive rhizome of Jamkpha : the seeds of Cicca and Aleurites are 

 likewise eatable. Most of the West Indian Uuphorligceee are shrahs, or trees, some of 

 which produce timber. 



Tribe I. BUXEJE. — Ovary-cells Z-ovulate. Capsule loculicidal, toith the dissepiments 

 coh^ing. Seeds ecarunculate. 



1. TRICERA, Schreb. 



Plovjers monoecious. S '■ Calyx 4-partite, coloured. Petals 0. Stamens 4, inserted 

 below a central rudiment;- filaments broad: anthers recurved, introrse. ?: Sepals 5. 

 Styles 3 (^4), inserted below the top of the ovary. — Shrubs ; leaves opposite, exstipulaie, 

 quite entire, glabrous, coriaceous; corymbiform cymes axillary, or lateral: $ flower 

 central, sessile. 



, The arillus, mentioned by Swartz, is nothing but the loosened endocarp, dehiscent on the 

 inner side. 



1. T. laevigata, Sw. Leaves ovate-lanceolate, pointed; axillary cymes peduncled, 

 exceeded 3^ times by the leaves : pedicels twice as long as the 3 flowers : calyx-segments -/ 

 ovate-lanceolate, exceeded by the subulate-oblong filaments. — Sw. Fl. t. 7: Analyt.— 'S.\ 

 citrifolia, W. ex Sieb. Mart. 208 I— Leaves 3"-24" long, 1" broad : veins inconspicuous 

 beneath; calyx df 3"'loiig; seeds 2'" long, convex-trigonal, shining-black.-^—HAB. Jamaica, 

 in the Western hiUs (iSc.) ; [S. Croix, Martinique ! ; Venezuela]. 



2. T. fasciculata,, fir. (k. «p,). Leaves elliptical, pointed, orbluntish; axillary cymes 

 contracted, few-flowered, subsessile, or shortly peduncled, 2-3 times longer than the petiole : 

 pedicels as loing as the S ftowers : calyx-aegments linear, bluntish, as long as the lanceolate 

 filaments. — A dwarfish shrub ; leaves 3"-2" long, veiny on both sides ; fascicles 5-7-flowered ; 

 calyx S 1"' long; ovary 2"'-3"' long, much longer than the sepals, as, long as the recurved 

 styles. — Hab. Jamaica !, Fd., on the Coffee-ridge, S. Anna's. 



Tbibe II. PHJLtA'NTHEM. — Ovary-cells %-omi,late. Capsule divided into coed, 

 or baccate. Seeds usually ecarunculate. 



SUBTBIBE 1. DUYPETMM.— ^stamens inserted around a central rudiment. 



2. RICHERIA, r. 



Flowers dioecious. Calyx 5-4^partite,. imbrioative. Petals 0. Stamens 5-4, alternating 



with, glands : anthers gkbose-biloenlai!, extrorse. Ovary S-celfed : styles 3, short, revolute. 



Capsule usually monospermous, by abortion of 2 cells, 3-valved from the base upwards in 



