ff) Flowers very zygomorphic; ovules numerous; andrœcium united with the gynæcium into a column; anther sessile or subsessile on the column. =Orchidaceæ= =GYMNOSPERMÆ= =CYCADACEÆ.= 1 =Encephalartos septentrionalis= _Schwfth._ MURIEPAI—Zande; KOTTO—Krej & Indogo. Palm-like undershrub; stem fusiform or globose; up to 2 ft. high. Leaves up to 5 ft. long, pinnate, pinnules up to 50 pairs, ovate-lanceolate, falcate, 4-5 in. long, with 3-8 teeth in basal half, densely tomentose on young fronds. Bahr El Ghazal Prov. (Golo; Deim Zubeir; Niamniam-land: Mambeli, Gumango Hill near the Rye, on the Ibba (Tonj) River, east of the upper Hoo; Bongo; Lessi River). A kind of beer is made from the central portion of the stem. =GNETACEÆ.= 2 =Ephedra Alte= _C. A. Mey._ Diœcious shrub, climbing or erect; branches more or less whorled on upper nodes. Leaves scale-like in whorls of 2-3, connate at base. Male spikes axillary, solitary or in dense glomerules. Fem. spikes solitary or fascicled. Red Sea Prov. (21° N.L.). =ANGIOSPERMÆ= =DICOTYLEDONES= =ANONACEÆ.= 3 =Uvaria bukobensis= _Eng._ Small tree. Leaves oblong-elliptic, obtusely acuminate, up to 6 in. long, nearly glabrous. Flowers usually in pairs above the axils. Sepals and petals warted and shortly tomentose. Mongalla Prov. (Yei River). =U. Schweinfurthii= _Eng._ & _Diels._ Leaves oblong cordate at the base, subacutely acuminate, 3-4 in. long, with long weak hairs on the midrib. Flowers yellow, small. Petals ¾ in. long. Fruiting carpels oblong with 3 or 4 transverse constrictions, rusty-hairy. Bahr El Ghazal Prov. (Ibba River near Nganye: Niamniam-land). =U. near U. Schweinfurthii= _Eng._ & _Diels._ (small leaves). Leaves oblong-lanceolate, rounded at the base, acute, 2-2½ in. long, ¾-1 in. broad, covered below with soft stellate hairs. Flowers very small; buds ovoid. Fruiting carpels oblong, with about 5 transverse constrictions, rusty-tomentose. Bahr El Ghazal Prov. (Mittu-land: Kuddu). =U. verrucosa= _Eng._ & _Diels._ Branchlets scurfy. Leaves oblong-elliptic, subcordate, 6 in. long, with numerous lateral nerves, closely stellate-tomentellous below; flowers not known. Fruiting carpels long stalked, warted. Congo Border by the Kambele. 4 =Meiocarpidium lepidotum= _Eng._ & _Diels._ WINGA—Jur. Small to middle-sized tree. Leaves oblong, long-acuminate, up to 8 in. long, densely scaly below. Flowers covered with scales. Fruiting carpels terete. Bahr El Ghazal Prov. (Tonj). 5 =Hexalobus monopetalus= _Eng._ & _Diels._ M’BANDA—Golo. Tree; fruit said to be edible. Leaves oblong, up to 5 in. long. Flowers cream-coloured, sessile; 1-3 together, axillary; carpels 4-6.