9G0 cxxii. EUPHORBIACE.E (prain). [Pi/cnocoma. 



7. P. Chevalieriy Beille in Bull. Soc. Bot. France, Iv. Mem. viii. 81 . 

 Shrub, 7-10 ft. high ; branches slender, woody. Leaves clustered 

 towards the ends of the twigs, distinctly petioled, firmly chartaceous^ 

 obovate-lanceolate, acute, narrowed from the middle to the acute base 

 which passes into a winged petiole, margin entire, 10-12 in. long, 

 3i-4 in. wide, glabrous on both surfaces, very finely and closoly 

 puncticulate beneath; petiole below the wing \-\ in. long. Riicemes 

 peduncled, from the axils of the upper leaves ; rhachis rather closely 

 pubescent ; bracts ovate, acute, concave, loosely silky-pubescent 

 externally; pedicels slender, pubescent, J in. long, 1-3 to a bract. 

 Male : Sepals usually 4, ovate-lanceolate, acute, pubescent externally, 

 reflexed in flower, J in. long. Stamens numerous; filaments slender^ 

 J in. long. Female : Sepals usually 5, ovate-lanceolate, white-pubescent 

 externally, reflexed in flower, \ in. long. Ovary 3-celled, velvety- 

 pubescent ; each cell with two short triangular dorsal horns ; styles 3, 

 pubescent, connate only in their lower fifth. Capsule 3-coccous, 

 3-dymous, J in, across ; cocci 2-valved, closely velvety externally, each 

 valve witii a projecting short triangular acute horn, 1-1 J lin. long, 

 1 lin. deep. Seed globose, brown, J in. across. 



Xiower Guinea. Fronclj Congo: near tlie Kenio Kivcr, 7^Ao7/o)?, 673! Fort 

 Possel, C/tevalier, 5308 ! 5367 ! 10553 ! Upper Ul)an<;i ; lioiiin, Chevalier, 

 5915! Upper Slmri ; Nirauiira, Tiojir Mhelli, Chevalier, 7335! ^Ipokou, Chevcilier, 

 10595! Bangui, Chevalier, 10848 ! 



This species in gcnenil facics most closely resonibles P. minor, Miill. Arg., but i* 

 readily distinguished by the very different bracts. 



8. P. ThoUonii, Brain in Kew Bulletin, 1912, 193. Shrub; 

 branches slender, woody. Leaves clustered at the ends of the twigs, 

 sessile, thinly coriaceous, obovate-lanceolate, acute or acuminate, nar- 

 rowed from beyond the middle to the narrow rounded base, margin 

 faintly undulate, 12-13 in. long, 4 in. wide, glabrous on both surfaces. 

 Kacemes peduncled, from the axils of the upper leaves ; rhachis very 

 finely puberulous ; bracts trapezoid-sjiathulate, flat, reflexed, glabrous 

 everywhere except on the shortly ciliate margins; pedicels slender, 

 puberulous, .1 in. long, 1-3 to a bract. Male : Sepals 3, ovate-triangular, 

 acute, very sparingly puberulous or quite glabrous externally, reflexed 

 in flower, \ in. long. Stamens numerous; filaments slender, J in. long. 

 Female : Sepals 5, ovate-lanceolate, acute, glabrescent or glabrous 

 externally, reflexed in flower, J in. long. Ovary 3-celled, pubescent, 

 each cell with two dorsal horns ; styles 3, sparingly hirsute, connate in 

 their lower fifth. Capsule not seen. 



Xiower Guinea. French .Congo : Ogowe Kiver, T/to^/o;/, 842 ! 

 As rcgarus foliage this is hardly distinguishable from P. macrophr/lla, Benth.,but; 

 the bracts are altogether different in the two plants. 



9. P. angustifolia, Brain in Kew Bulletin, 1908, 439. Shrub; 

 branches rather slender, woody. Leaves clustered towards the ends 

 of the twigs, subsessile or very shortly petioled, thinly to firmly 

 cliartaceous, narrowly oblanceolate or obovate-lanceolate, acute or 



