EUPHORBIACEJ!. 47 



extrorse : cells free, hanging from the top of the filament, usually oblong-contortuplicate. 

 Styles 3, multifid (rarely bifid) : branches setaceous. Capsule 3-coccons. Seeds minute, 

 subglobose : caruncle none, or obsolete. — Leaves usually serrate, stipulate ; spiciform ra- 

 cemes, or spikes, axillary or terminal, the $ sometimes reduced to a cluster : flowers mi- 

 ■ nute, (J bracts several-flowered, $ often excrescent, cucullate, crenate. 



§ 1. Dioecious shrubs ; S flowers in spiciform racemes, ? glomerate. 



77- A. betulifolia, Sw. Branchlets puberulous; leaves oval-roundish, or oval, rounded 

 at the base, shortly petioled, crenate or creuate-serrate, glabrous, with the midrib puberu- 

 lous beneath, as long as the glabrous S racemes ; ^ flowers axillary, few in the cluster : 

 bracts cucullate-rouiidish, divided into 4-9 large, ovate, glabrous teeth ; seeds ovate, blunt. — 

 A dioecious shrub, l'-3' high ; leaves 1 6'" -4'" long ; seeds 4'" long : caruncle obsolete. — Hab. 

 Jamaica I, M'Nab, Wils., Al., in the southern limestone districts. 



78. A. scabrosa, Sw. Branchlets pubescent ; leaves ovate or lanceolate, cuneale at 

 the base, serrate or crenate-serrate, 'pubescent, chiefly beneath, or glabrescent, nearly as 

 long as the subsessile, hispidulous $ racemes ; ^ flowers axillary, few in the cluster : bracts 

 cucullate, divided into 4-9 large, ovate, cUiate teeth; seeds subglobose. — A dicBcious, vari- 

 able shrub, 12'-2' high; leaves 2"-l" long, 10"'-4"' broad: petiole 4"'-2"' long; seeds 

 ovoid^subglobose, ^" long, ecamnculate. ' 



a. Leaves lanceolate, or oblong-lanceolate, with a bluntish point. 



j8. ovata. Leaves ovate, blunt, glabrescent. 



Hab. Jam!(ica !, all collectors, in the southern limestone districts, and on the seashore. 



§ 3. Monmcious shrubs ; $ flowers in spinform racemes, ? spicaie. 



79. A. vir§^ata, L., Sw. I Branchlets puberulous ; leaves oblong-lanceolate or elliptical, 

 pointleted, obtusely serrate, glabrous ; racemes and spikes axillary, filiform, shortly peduu- 

 cled, S superior, or usually on distinct branches ; ? bracts cucullate, roundish, toothed: 

 teeth ovate. — Br. Jam. t. 36./. 2. — A monoecious shrub, about 15' high; leaves 4"-2i" 

 long, li"-2" broad, usually exceeding the .racemes : petiole 4"'-8"' long : stipules shortly 

 subulate, caducous. — Hab. Jamaica !, Sw., Wils., March. 



80. A. elliptica, Sw. Branchlets glabrescent ; leaves elUptical-oblong or elliptical-lan- 

 ceolate, acuminate, obtusely serrate, glabrous or glabrescent, long-petioled ; racemes and 

 spikes axillary, long, filiform, peduncled, superior S or androgynous or on distinct branches ; 



$ bracts cucullate, cuneate at the base, palmatifid to the middle, at length toothed by growth 

 of the inferior part : loies oblong.-^Lesves 7"-3" long, 2i"-l" broad, subglandular above 

 at the base : petiole 3"-li" long : stipules shortly subulate ; racemes hairy or glabrescent, 

 8"-3" long, slender, nearly as long or half as long as the leaves. — Hab. Jamaica !, Pd., 

 List., in the mountains. 



81. A. hernandifolia, Sw. Branchlets glabrescent, leaves ovate, pointed, serrate, gla- 

 brous, long-petioled, 5-nerved at the emarginate base; racemes and spikes axillary, filiform, 

 shortly peduncled, S and ? on distinct branches ; $ bracts cucullate, roundish, denticulate: 

 teeth minute, 3-angular. — A monoecious shrub, 6' high; leaves 6"-2" long, 3"-l" broad: 

 petiole 3"-l" long : stipules broadly semicordate-subulate, caducous ; racemes 6"-2" long, the 



? spikes either inferior or superior. — Hab. Jamaica!, Pd., Al., in woods, e.g. S. Ann's; 

 S. Vincent!, Guild.; [Cuba!, Venezuela!]. 



82. A. villosa, Jaeq. Shrubby ; branchlets pubescent ; leaves ovate, pointed, serrate, 

 hispidulous chiefly on the nerves beneath, long-petioled ; stipules subulate ; 3 racemes filiform, 

 on distiact branches, and ? spikes exceeded by the leaves; ? bracts cucullate, roundish, 

 toothed, small, nearly as long as the ovary, not excrescent: teeth ovate. — Jacq. Amer. Pict. 

 t, 240.— 16' high ; leaves 5"-6" long, 2"-3" broad : petiole li"-5" long ; stipules 4'" long ; 

 racemes and Spikes 3"-4" long, shortly peduncled : $ flowers distant from each other. — 

 Hab. Jamaica!, Wils., S. Thomas in the East; [Panama!, New Granada]. 



83. A. macrostachya, /oic^. Branchlets glabrescent; leaves large, elliptical, pointleted, 

 serrate or obtusely denticulate, repand, glabrous : styoules long, rigid-membranaceous, con- 

 cave-lanceolate, acuminate; 'racemes and spikes axillary, long-filiform, shortly peduncled; 



? bracts hairy, cucullate, exceeded by the styles, toothed : teeth linear, pointed.— Jacq. 

 Schoeabr t 245.— A monoecious shrub ; leaves 10"-6" long, 5"-2i" broad : petiole 2"-14" 



