018 cxxii. EUPHORBiACE^ (prain). [Alcftoitiea, 



5. A. Engleri, Pax in Engl. Jahrh. xliii. 80. Shrub, monoecious, 

 3 ft. high ; twigs pubescent. Leaves petioled, moderately firm, oblong, 

 caudate-acuminate, serrate-dentate, base cordate, 3-4 in. long, lJ-2 in. 

 wide, hirsute on the nerves beneath, penninerved, usually with a pair of 

 glands at the base on the lower side and with 2 filiform stipels at the 

 apex of the petiole; petiole |-1 in. long; stipules subulate. Spikes 

 simple or sparingly branched, terminal and in the upper axils ; male 

 buds globose, 1 lin. wide, glomerate, females solitary, subsessile. 

 Stamens 8-0 round a 3-fid rudimentary ovary. Ovary 3-4-celled, 

 glabrous. Capsule smooth; styles simple, linear, over J in. long, 

 gradually thickened downwards. 



Mozamb. Distr. German East Africa : Dar-es-Salaam ; Pugu Mountains, 

 JEngler, 3957 ! 



6, A. yambuyaensis, De Wild. Etudes Fl, Bas- et Moyen-Congo, ii. 

 280. Shrub, monoecious, 10 ft. high ; twigs pubescent. Leaves petioled, 

 membranous, oblong or elliptic-ovate, caudate-acuminate, coarsely 

 crenate, base cordate or rounded, 3-G in. long, 1J-2| in. wide, sparingly 

 hirsute on the nerves above, densely pubescent on the nerves beneath, 

 when old almost glabrous, penninerved, sometimes with a pair of glands 

 at the base on the lower side and with two filiform stipules at the apex 

 of the petiole ; petiole J-2 in. long ; stipules subulate. Spikes simple, 

 terminal and axillary, the terminal 2-sexual or female, the lateral male ; 

 male buds globose, 1 lin. wide, glomerate ; females solitary, subses.sile. 

 Stamens 8 ; rudimentary ovary 0. Ovary o-4-celled, pubescent and 

 ridged. Capsule 3-4-coccous, irregularly warted at the apex ; styles 

 simple, linear-subulate, puberulous, J-J in. long. — Th, & Hel. Durand, 

 Syll. Fl. Congol. 41)4. A. verrucosa, Pax in Engl. Jahrb. xliii. 321. 



South Central. IJelgian Coniro : Aruwimi district; Patalungo, near 

 Vanibuya,on the Aruwimi, Solheid, 55, 80, 100 ! Mildbraed, 3289 ! Eastern Prov. ; 

 Kasang-a, Mawanibi, on tiie River Ituri, Mildhraed, 3108 ! Kwa Muera, Fort Beni, 

 Mildhnied, 2271 ! 



01. NEOBOUTONIA, Miill. Arg. ; Benth. et Hook. f. Gen. 

 Pl.iii. 317. 



Flowers dioecious, apetalous. Disk of T) scales, sometimes very 

 minute. Male : Calyx membranous, globose and closed in bud, splitting 

 into 2 valvate lobes. Stamens 15-30; filaments short or very !^hort, 

 free ; anthers oblong, basifixed ; cells '2, parallel, opening longitudinally ; 

 connective tipped with 1-3 minute waxy deciduous glands. Rudi- 

 mentary ovary 0. Female : Calyx 5-fid or 5-partite ; lobes imbricate. 

 Ovary 3-celled ; ovules solitary in each cell; styles recurved, 2-fid. 

 Capsule 3-coccous ; cocci 2-valved. Seeds ovoid or subglobose, caruncu- 

 late ; testa crustaceous ; albumen fleshy ; cotyledons broad, flat. — Shrubs 

 or trees, more or less clothed with tufts of stellate hairs mixed some- 

 times with longer simple hairs. Leaves long-petioled, cordate-orbicular, 

 5-7-nerved from the base, glandular-lepidote and stellate-pubescent be- 

 neath. ]Male flowers in copious terminal panicles of spike-like racemes, 



