DioscoQ^ea.] cxxxix. DioscoREACEiE (baker). 419 



Wile Xiand. Galabat: Matamma, Schweinfurth, 587 1 588! Eritrea: Kereu 

 Steudner, 512! Ginda, at the foot of DonkoUo Mountain, 3000 ft,, Schweinfurth, 212 

 313. Abyssinia : Tigre ; valleys near Jelajeranne, Schimper, 1720 ! and without pre^ 

 cise locality, Roth ! British East Africa : Jur ; Jur Ghattas, Schweinfurth, 2032 ! 



14. D. schimperiana, Hochst. ex Kunth^ Envm. v. 339. Stems 

 slender, twining, unarmed, pubescent. Leaves often opposite, distinctly 

 petiolate, simple, ovate, acuminate, deeply cordate at the base, mem- 

 branous, 5-nerved from the apex of the petiole, slightly pubescent or 

 glabrous on both surfaces, 4-6 in. long and broad. Male flowers in 

 long lax fascicled spikes with a pubescent rhachis ; bracts minute, ovate. 

 Male perianth slightly hairy, ^^ in. long ; segments obtuse, ovate or 

 oblong. Fertile stamens 6, included. Female spikes long, very lax. 

 Ovary densely pubescent. Capsule glabrescent, Ij in. diam., with 

 3 acute orbicular lobes and an axis 1 in. long. Seeds orbicular, winged 

 all round. — A. Rich. Tent. Fl. Abyss, ii. 317 ; Engl. Hochgebiresfl. 

 Trop.Afr. 171. ^ 



Nile Iiand. Abyssinia : Tigre ; near Jelajeranne, Schimpery 1642 ! 



Iiower Guinea. Angola : Golungo Alto, Welwitsch, 4038 ! 



Var. vestita. Pax in Engl. Jahrb. xv. 148. Leaves beneath and flowers densely 

 pubescent. 



Upper Guinea. Lagos : Otto, Millen, 17 of 1895 collection ! 



Wile Xiand. Abyssinia : Begemeder ; Senka Berr, on the River Rcbb, Schimper ! 

 British East Africa : Niainniam ; at Gumango Hill, Schvoeinfu/rth, 3420 ! 



Iiower Guinea. Lower Congo, Laurent! 



nXozamb. Bist. British Central Africa : Nyasaland ; by the Mwata Manga 

 stream, 4000 ft., Kirlc ! Shire Highlands, Buchanan, 112 ! 266 ! and witliout precise 

 locality, Buchanan, 778 ! 1506 ! 



15. D. (Helmia) dumetorum. Pax in Engl, dh Pranil. PJianzenfam. 

 ii. Aht. 5, 134. Stems robust, woody, terete, wide-climbing, sometimes 

 prickly. Leaves trifoliolate, moderately firm, glabrescent on the upper 

 surface, densely and persistently pubescent beneath ; leaflets obscurely 

 stalked, the end one obovate, cuspidate, reaching b-Q in. long, distinctly 

 triplinerved to the apex ; side-leaflets very oblique. Male flowers in 

 short axillary panicles with dense cylindrical branches; bracts ovate, 

 minute, densely pubescent. Perianth campanulate, very small, densely 

 pubescent ; tube very short ; segments orbicular. Perfect stamens 6, 

 included. Female flowers in lax simple racemes. Capsule oblong, 

 glabrescent, acutely triquetrous, lJ-2 in. long. Seeds oblong, 1 in. 

 long, with a large oblong basal wing. — Harms in Engl. Pfl. Ost-Afr. 0. 

 147. D. dcemona, Benth. in Hook. Niger Fl. 538, not of Roxb. 

 B. triphylla, A. Rich. Tent. Fl. Abyss, ii. 316, t. 96 B, not of Linn. 

 D. quartiniana, A. Rich. Tent. Fl. Abyss, ii. 316, t. 96 A. ; Schweinf. in 

 Bull. Herb. Boiss. ii. App. ii. 85. D. huchholziana, Engl. Jahrb. vii. 333. 

 Helmia dumetcn^um, Kunth, Enum. v, 436. 



Vpper Guinea. Lagos: Abeokuta, Irving, 108! Gold Coast: Aquapim 

 Mountains, Fogre?.' Niger Territory: Nupe, Barter, 1537! Caineroons : Muugo, 

 Buchholz. 



wrile Xiand. Eritrea : Ginda, at the foot of Mount DonkoUa, 3000 ft., Schweim- 



