380 EUPHORBIACE/E (Hutcliinson). [Uridelia. 



in Dyer, Fl Trap, Afr, vi. i. 615. -B. angohnsis, vars. iypica and 

 WelwiiscJiii, Gehrm, in Engl. JaJirb, xli. BeihL 95, 31. 



Eastern Region : Inliaiubane, Schleckter I 



Occur?^ also in Angola, Tropical Africa. 



3. B. cathartica (Bertol. f. Illustr. Mozambiq. 16, n. 13, t. 6); 



a slirub, about 6 ft. high; branchlets slender, glabrous, with 

 very short internodes ; leaA'es elliptic, oblong-elliptic or narrowly 

 obovate, rounded or obtuse at the base, rounded or very 

 obtusely pointed at the apex, 1-3| in. long, J-2 in. broad, 

 papery, glabrous on both surfaces, more or less glaucous beneath ; 

 lateral nerves looped before reaching the margin, 5-10 on each 

 side ; tertiary nerves reticulate ; petiole 1-2 lin. long, wrinkled, 

 glabrous or pubescent ; stipules lanceolate or linear-lanceolate, 

 acute, 1-1^ lin. long, spai'ingly pubescent ; bracts pubescent; male 

 flowers : sepals ovate, subacute, glabrous ; petals suborbicular or 

 obovate, entire or slightly toothed ; disc thin ; rudimentary ovary 

 deeply bifid ; female flowers ; sepals triangular, subacute, glabrous ; 

 petals large, shortly clawed, entire ; disc enclosing the ovary, 

 toothed, glabrous outside ; ovary ovoid, glabrous ; styles very short,, 

 bilobed ; fruits '2^celled, ellipsoid, 4| lin. long, 4 lin. broad, black 

 when dry, MiilL Arg. in DC. Prodr. xv. ii. 502 ; Pax in Engh Pfl^ 



Afr. a 237 ; Ei 



Af 



Kalahari Regiox: Transvaal; Komati Poort, Kirk; 100! Barberfcou, Pole 

 Evans, 2945 ! 



Easterx Eegion : Portugese East Africa ; Ressano Garcia, Sddcchtcrj 11890 ! 



Extends through the Zambesi basin to the Rovuma River in German Ea^^t 

 Africa. 



4. B, Schlechteri (Hutchinson in Kew Bulletin, 1914, 249); 

 branches rather slender and marked with prominent lenticels, 

 young branchlets elongated, slightly pubescent at the nodes ; leaves 

 oblong-oblanceolate, subacute, slightly narrowed to a rounded or 

 obtuse base, 1-2| in, long, ^-1| in. broad, papery, glabrous on both 

 surfaces, glaucous beneath ;" lateral nerves continued to the margin, 

 arcuate, very slender, distinct on both surfaces ; tertiary nerves- 

 parallel, slender; petiole 1-1^ lin. long, black, wrinkled, slightly 

 pubescent ; stipules subcaducous, subulate-lanceolate, acuminate, 

 2 lin. long, pubescent ; male flowers shortly pedicellate ; sepals 

 ovate, obtuse, about 1 lin. long, | lin, broad, glabrous ; petals sub- 

 orbicular, about half as long as the sepals, rather fleshy, obscurely 

 toothed at the apex ; disc orbicular, flat and fleshy ; staminal 

 column slender, § lin. long; anthers small; rudimentary ovary 

 more or less subulate; female flowers subsessile, pubescent around 

 the base ; sepals as in the male but slightly larger ; petals as in the 

 male; outer disc fleshy, inner disc thinner and deeply lobed, 

 glabrous ; ovary ellipsoid, smooth ; styles 2, free to the base, deeply 

 bilobed ; young fruits ellipsoid, apparently 2-celled. 



