656 cxxti. EUPHORBiACEiE (hutchinson). [.}farti'etia. 



deeply grooved on the upper* side, wrinkled, otherwise glabrous ; stipules 

 ovate-lanceolate, smill, soon falling off. Male racemes axillary on the 

 young shoots, solitary or subsolitary, about 2 in. long ; axis slightly 

 flexuous, sulc ite, glabrous ; bracts ovate, slightly keeled, ciliate ; pedicels 

 about } lin. long, glabrous. Sepals 4, oblanceolate, J lin. long, ciliate 

 towards the apex, otherwise glabrous. Stamens 5-7 ; filaments J lin. 

 long, glabrous ; anthers ellipsoid, nearly J lin. long, mucronate. Kudi- 

 mentary ovary short, bifid, glabrous. Female racemes solitary or gemi- 

 nate towards the base of the young shoots or on the two-year-old 

 wood, lJ-2 in. long; axis anovular or deeply sulcate, glabrous; bracts 

 ovate or ovate-trian<rular, about half the length of the pedicels, ciliate ; 

 pedicels stout, angular, 1 lin. long, glabrous. Sepals 5 or 6, ovate- 

 lanceolate or lanceolate, gradually acuminate, | lin. long, ciliate. Ovary 

 2-lobed (resembling 2 shoulders), each lobe very slightly bifid, glabrous; 

 styles connate for about J lin. at the base, linear and undivided, glabrous, 

 3 lin. long. Fruits not seen. 



Ifortli Ceiitral. TTpper Ubangi rcj^ion: valley of llie Tomi Kiver, between 

 Fort Sibnt and Fovt Possel, Chevalier, 10577 ! 



25. PROTOMEGABARIA, Hutchinson in Hook. Ic. PI. t. 2929. 



Flowers difecious. Petals absent. Male flowers : Sepals 5, imbricate. 

 Disk-glands 5, alternating with the filaments, large and fleshy, contiguous. 

 Stamens 5, opposite the sepals ; filaments free ; anthers introrse, cells 

 parallel, contiguous, dehiscing longitudinally. Rudimentary ovary 

 columnar, entire or bipartite, fleshy. Female flowers : Calyx as in the 

 male. Disk adnate to the inner side of the .sepals. Ovary 3-celled ; 

 styles 3, bifid or bilobed,at first erect, at length spreading and recurved, 

 glabrous; ovules 2 in each cell, collateral, almost hidden froai the out- 

 side by a very large flat caruncle. Capsule largo, subglobose or oblonor- 

 ellipsoid, septicidal, exocarp partially splitting from each end into six 

 pieces, cocci falling away and leaving the persistent central axis ; exocarp 

 crustaceous, thin ; endocarp horny, nearly ^ lin, thick. Seeds not seen. — 

 Trees. Leaves alternate, petiolate, entire, penninerved. Flowers small, 

 racemose or subspicate ; racemes simple, axillary or extra-axillary, 

 solitary or geminate; floweis subtended by bracts in three series, 

 outer ovate, middle cupular and enclosing the flowers in bud, innermost 

 obovate. 



Species 2, endemic. 



Le jves pubescent on the midrib and lateral nerves below ; 



rudimentary ovary bipartite . . . . .1. P. strtpjiana. 



Leaves glabrous on tbe midrib and lateral nerves below ; 



ru limentary ovary undivided . . . . . 2. P. macrophylla. 



1. P. stapfiana, Hutchinson in Hook. Ic. PI. t. 2029. A tree about 

 50 ft. high ; branchlets stout, glabrous. Leaves elongate-oblong or 

 elongate- obovate, rounded or very shortly and obtusely acuminate, more 

 or less narrowed to the base, G-15 in. long, 3-6 in. broad, thinly char- 

 taceous or membranous, entire, glabrous above, pubescent on the midrib 



