Uapaca,\ cxxii. euphorbiace^ (hutchinson). 685 



Leaves equal-sided at the biise. 



Leaves floccose or woolly -pubescent all over the 

 lower surface. 

 Petiole not more than J in. long ; lateral 



nerves 13—19; peduncles clustered . , 4. U. kirkiana. 

 Petiole 1-1 1 in. lon<^; lateral nerves 8-12; 



peduncles solitary . . . . . 5. U- henguelensis. 



Leaves pilose witli weak spreading hairs only 



on the midrib and lattrnl nei-ves below. . 6. U. togoensis. 



Leaves glnbroiis or slightly scaly below 



Calyx of the male flowers glabrous outside. 



Leaves n»ore or less dull on both surfaces; 

 rudimentary ovary glabrous. 

 Leaves elongate-obovate, acuminate, much 

 narrowed to the base, 9-14 in. long, 



3-5^ in. broad 1. U. Staudtii. 



Leaves oblanceolate or obovatc, not elon- 

 gated, rounded or obtusely pointed, 

 i'uneate at the base, 2^-6^ in. long, 

 1^-2^ in. broad. 

 Calyx of the mule flowers deeply lobed . 8. U- Heudelotii. 

 Calyx of the male flowers subentire or 



slightly undulately lobed . . . 9. U. Bossenge, 



Leaves shining on the upper surface; rudi- 

 mentary ovary pilose . . . . . 10. ^. nitida. 

 Calyx of the male flowers pilose outside. 



Leaves usually unequal-sided at the base, 



rather small and slightly scabrous above . 3. U. sansibarica. 

 Leaves equal-sided at the base, usually large, 



not scabrous above . . . . .11. U. guineensis. 



1. XJ. pilosay Hutchinson. A shrub 4-5 ft. high; young branch- 

 lets stout, pubescent, tomentose at the tips. Leaves seen only in a 

 young vvtate, sessile, crowded at the ends of the branchlets, obovate- 

 cuneate, rounded at the apex, 5-5 J in. long, 2J-2| in. broad, entire, 

 thinly chartaceous, pilose with long weak hairs on both surfaces; 

 lateral nerves about 12 on each side, spreading, prominent on both 

 surfaces ; tertiary nerves lax and branched, not visible above ; stipules 

 subulate-lanceolate, about 2 lin. long, densely tomentose, soon falling 

 off. Flowers not seen. Fruits nearly IJ in. in diam., glabrous. 

 Exocarp crustaceous, about 1 liri. thick. Pyrenes 1 in. long, J in. 

 broad. 



Mozamb. Blstr. Nyasaland: Stevenson Road, -Sco^^JS/ho/, 8272! 



2. TJ. Gossweileri, Hutchinson. A handsome tree 15-30 ft. 

 high or more ; trunk 1-1 J ft. in diam. at the base ; branches spread- 

 ing ; branchlets stout, more or less tomentose when young. Leaves 

 sessile, crowded at the tips of the branchlets, obovate-cuneate or 

 elongate-obovate, rounded or truncate, attenuated to the base, 4-11 in. 

 long, 2-6 in. broad, rigidly coriaceous, bright green, rather rough and 

 glabrous above, pubescent with interlacing hairs below, becoming 

 nearly glabrous when older; lateral nerves 12-17 on each side, in the 



