680 CXXII, EUPHORBIACEZ (HUTCHINSON). | Drypetes. 
leaves of the young branchlets; bracts small, broadly ovate, ciliate, 
pubescent, 3 lin. long; pedicel 14 lin. long, puberulous. Sepals 5, 
strongly imbricate, orbicular or transversely elliptic, about 14 lin. in 
diam., ciliate and puberulous. Stamens 10-11; filaments nearly equal- 
ling the sepals. Disk fleshy, glabrous. Female flowers not known. 
—Cyclostemon bipindensis, Pax in Engl. Jahrb. xxxiii. 279. 
Upper Guinea. Cameroons: Bipinde, Zenker, 1796! 
8. D. gabonensis, //utchinson. A tree 18-21 ft. high; branch- 
lets terete, glabrous. Leaves oblong or elliptic-oblong, abruptly and 
shortly acuminate, unequal and rounded on one side at the base, 6-9 in. 
long, 23-3} in. broad, thinly coriaceous, glabrous and shining on both 
surfaces, margin eutire, slightly recurved ; lateral nerves 7-8 on each 
side, inconspicuous above, prominent below, looped and branched near 
the margin; tertiary nerves oblique, rather closely reticulate ; petiole 
stout, about $ in. Jong, glabrous; stipules lanceolate, 2 lin. long, slightly 
pubescent, soon falling. Male flowers numerous in dense axillary fas- 
cicles on the younger branches, rarely on the older wood ; bracts small, 
puberulous; pedicel about 24 lin. long, slender, puberulous. Sepals 3-4, 
broadly ovate, obtuse, 14 lin. broad, puberulous outside, margin shortly 
ciliate. Stamens 3, erect; filaments 2 lin. long, glabrous; anthers 
broad, ? lin. long. Disk cupular, thin, glabrous. Female calyxa little 
larger than the male. Disk glabrous, short. Ovary subglobose, glabrous ; 
stigmas 8-4, entire, flat, covering the top of the ovary. Fruits globose, 
1 in. in diam., 3-seeded, glabrous; exocarp crustaceous, | lin. thick, 
brown; endocarp thin, horny. Seeds 3 in. long, 4 lin. broad, slightly 
wrinkled when dry; testa reddish-brown.—Cyclostemon gabonensis, 
Pierre, Icon. 
Lower Guinea. Gaboon: Libreville, Klaine, 551! 690! 1034! 1278! 
188! 
9. D. arborescens, Hutchinson. A small tree, 11-12 ft. high ; 
branches and branchlets glabrous. Leaves oblong or oblong-elliptic, 
gradually acuminate, rounded or cuneate at the base, 3-7 1. one 
1-8} in. broad, rigidly chartaceous, entire, glabrous and somewhat dul 
on both surfaces; lateral nerves d-6 on each side, looped and anasto- 
mosing well within the margin, prominent only on the lower sna ; 
veins lax and distinct below; petiole 3-4 lin. long, slightly wre 
glabrous; stipules small and caducous. Male flowers fasciculate on t : 
older wood of the branches or towards the base of the young brenchie’ 
pedicel thickened towards the apex, 2 lin. long, puberulous. Sepais 
3-6, oblong, puberulous outside. Stamens 3; filaments glabrous ; 
anthers rounded, glabrous. Disk thick and fleshy, undulate, aga ae : 
Female flowers produced in a similar position to the male, Pedicels 
and sepals similar to those of the male. Disk annular, qu 
Ovary ovoid gisbrous, I-celled; stigma capitate, unilateral, thick 
Fruit ellipsoid, about 3 in. long, 5 lin. in diam. Seeds not seen. 
—Sibangea arborescens, Oliv. in Hook. Ie. Pl. t, 1411. 
