G80 cxxii. EUPHORBiACEiE (hutchinson). {Drypetes. 



leaves of the young branchlets ; bracts small, broadly ovate, ciliate, 

 pubescent, \ lin. long; pedicel IJ lin. long, puberulous. Sepals 5, 

 strongly imbricate, orbicular or transversely elliptic, about 1^ lin. in 

 diam., ciliate and puberulous. Stamens 10-11 ; filaments nearly equal- 

 ling the sepals. Disk fleshy, glabrous. Female flowers not known. 

 — Cydostemon hipindensiSf Pax in Engl. Jahrb. xxxiii. 279. 

 Vpper Guinea. Camerooiis : Bipinde, Zenker, 1796 ! 



8. D. gabonensis, Hutchinson. 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, G-9 in. 

 long, 2J-3^- in. broad, thinly coriaceous, glabious and shining on both 

 surfaces, margin entire, 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 J in. lotig, 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 2J lin. long, slender, puberulous. Sepals 3-4, 

 broadly ovate, obtuse, IJ lin. broad, puberulous outside, margin shortly 

 ciliate. Stamens o, erect ; filaments 2 lin. long, glabrous ; anthers 

 broad, | lin. long. Disk cupular, thin, glabrous. Female calyx a little 

 larger than the male. Disk glabrous, short. Ovary subglobose, glabrous ; 

 stigmas 3-4, entire, flat, covering the top of the ovary. Fruits globose, 

 1 in. in diam., 3-seeded, glabrous ; exocarp crustaceous, 1 lin. thick, 

 brown ; endocarp thin, horny. Seeds J in. long, 4 lin. broad, slightly 

 wrinkled when dry ; testa reddish-brown. — C yclostemon gabonensis, 

 Pierre, Icon. 



lower Guinea. Gaboon : Libreville, Klaine, 651 ! 690 ! 1034 ! 1278 ! 

 3188! 



9. D. arborescensy 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 in. long, 

 1-3J in. broad, rigidly chartaceous, entire, glabrous and somewhat dull 

 on both surfaces ; lateral nerves f)-6 on each side, looped and anasto- 

 mosing well within the margin, prominent only on the lower surface ; 

 veins lax and distinct below ; petiole 3-4 lin. long, slightly wrinkled, 

 glabrous ; stipules small and caducous. Male flowers fasciculate on the 

 older wood of the branches or towards the base of the young branchlets ; 

 pedicel thickened towards the apex, 2 lin. long, puberulous. Sepals 

 3-6, oblong, puberulous outside. Stamens 3 ; filaments glabrous ; 

 anthers rounded, glabrous. Disk thick and fleshy, undulate, glabrous. 

 Female flowers produced in a similar position to the male. Pedicels 

 and sepals Sj'iiiii9.r to those of the male. Disk annular, glabrous. 

 Ovary ovoid e'^brous, 1 -celled; stigma capitate, unilateral, thick. 

 Fruit ellipsoid, about J in. long, 5 lin. in diam. Seeds not seen. 

 — Sihangea arhorescens, Oliv. in Hook. Ic. PI. t. 1411. 



