34 EUPHORBIACE.E. 



ovate-oblong j anthers sessile on the top of the column, globose, contiguous : cells distinct ; 

 capsule subglobose, contracted along the dissepimental lines. — Aubl. t. 354. — P. piscatorum, 

 Kth.: the puberulous form.— A branched shrub, 6'-10'high; leaves membranaceous, 8'"- 

 12'" long; ? pedicels 3"'-4'", calyx V" long. — Hab. Jamaica, Sw.; Dominica!, Imr.; S. 

 Vincent!, Guild.; Trinidad!, Lockh.; [Yucatan! to New Granada!, Venezuela! to Brazil!]. 



13. P. mimosoides, Sw>. Shrubby; leaves distichous on pinniform branchlets, sub- 

 sessile, obliquely lanceolate-oblong, mucronulate, glabrous, whitish-glaucous beneath : sti- 

 pules subulate-setaceous, persistent ; pedicels axillary, 1-3, short, 2-4 times exceeded by the 

 leaf; calyx-segments 5 (-6), ovate ; anthers sessile around the depressed top of the column, 

 globose, contiguous ; styles filiform, cxserted ; capsule depressed-globose. — Stem virgate, 4'- 

 10' high, paleaceous : leafy branchlets li"-2" long, with about twenty leaves on each side ; 

 leaves 3'" long, 1'" broad; ? calyx £"' long.— Hab. Antigua (Sw.), Dominica!, Imr., in 

 woods along rivulets; [S. Barthelemy, Guadeloupe!]. 



14. P. Niruri, L. Annual; leaves distichous, subsessile, obovate-oblong (lanceolate, 

 oval, or obovate), rounded at the top, or mucronate, glabrous, paler beneath : stipules seta- 

 ceous, persistent; pedicels axillary, 1 (-3), 3-6 times exceeded by the leaf; calyx-segments 

 5, ovate ; anthers sessile on the top of the column, globose, contiguous ; styles short, in- 

 cluded; capsule depressed-globose, minute. — Wight, Ic. t. 1S94. — P. Urinaria, L. P. mi- 

 crophyllus, Kth.: leaves oval or lanceolate. P. diffusus, Kl.: a snffrutescent form, with 

 obovate leaves. — Stem herbaceous or suffrutescent ; leaves usually 3 '"-4"' long; ? calyx i'" 

 long; seeds striated on the flat back. — Hab. Jamaica!, all collectors, common; S. Kitts !, 

 Antigua', Dominica!, S. Vincent!, Barbadoes ! to Trinidad!; [all tropical countries, to the 

 Cape ! and southern China !] . 



Sect. 4. Amphianbba. — Calyx ^-partite. Staminal column entire-, anthers 9, adnate to 

 tjie cenirul, depressed mamilla, transversely dehiscent. — Pedicels axillary or lateral. 



15. P. tremulus, Gr. (n. sp.). Shrubby ; leaves ovate or elliptical, bluntish, lony- 

 petioled, membranaceous, glaucous beneath, glabrous •. stipules lanceolate-linear, deciduous ; 



6* pedicels fasciculate, short, lateral ; anthers contiguous, on a peltate, shortly stipitatc co- 

 lumn ; capsules (on distinct branches) solitary, or a few together, depressed-globose, con- 

 tracted in the sutures : pedicels cernuous, as long as the leaves. — Remarkable for the slender,* 

 spreading petioles, which are 10"'-12"' long, and quite distinct from the tremulous lamina. 

 Leaves scattered, 2"-l£" long, H"-l" broad ; <? flowers very minute : calyx-segments bi- 

 seriatc, with the disc subentire ; $ flowers unknown ; capsule 4'" broad, 3'" high, 6-seeded, 

 or 3-seeded by abortion ; seeds pale, ecamnculate, attached below the top. — Hab. Jamaica !, 

 Purd., Wullschl.; in the southern districts of S. Katherine, Manchester. 



Sect. 5. Anisonema. — Calyx 5-6-partite. Stamens 5, unequal, 2-3 central, and attached 

 to the top of an entire column, 2-3 exterior, more or less distinct: anthers longitudinally 

 dehiscent. Styles 3-10, short, bifid. — Fascicles axillary, flowers of both sexes mixed. 

 The sections Leptonema, J., and Asterandra, KL, are also represented in the "West Indies, 

 each by a Cuba species. 



lfi. P. jamaicensis, Gr. (n. sp.). Shrubby; leaves oval or oval-oblong, bluntish, gla- 

 brous, glaucous beneath : stipules setaceous, persistent ; pedicels fasciculate, 9 central, 3-4 

 times as long as the petioles ; calyx-segments 5, oval, whitish on the margin ; anthers oval- 

 oblong, two central, sessile on the column, three exterior, terminal on the separated fila- 

 ments, which are exceeded by the column; styles 3, short, semilunar -bifid •. stigmas bluntish; 

 capsule globose. — Anisonema, Gr. MS. — A shrub, 6'-10' high : leaf-bearing branches spread- 

 ing, cylindrical; leaves distichous, somewhat distant, membranaceous, l"-li" long, rounded 

 at the base ; stipules exceeded by the petiole ; pedicels filiform, $ 4"'-6'" long, subsolitary, 

 $ shorter, usually 5-2 ; calyx 1"' long ; capsule 6-seeded. — Hab. Jamaica !, Macfi, Wils., 

 common. 



Sect. 6. Orbiculakia. — Calyx 6(o-d)-parlite. Stamens 6 (4-10), cohering to the middle: 

 anthers longitudinally dehiscent. Disc lobed. Styles 3, bifid: stigmas capitate. — Pedi- 

 cels axillary, monoecious. 



17. P. orbicularis, Kth. Shrubby ; leaves oval-orbiculate, marginatc, rounded at both 



