40 cxxiiic. MORACE^ (Rendle). [Dorstenia. 



apex obtuse, base somewhat obtuse, about 4 in. long and IJ-lf in. 

 wide ; lateral nerves 8 on each side, curving upwards and uniting 

 within the margin ; petiole barely J in. long. Receptacle oblong, 

 with a margin 1 lin. broad, J in. long, 5 lin. broad, bearing a filiform 

 bract-arm at each end, the apical 2| in., the basal IJ in. long, and 

 numerous intervening linear bracts about 4 lin. long ; peduncle 

 about f in. long. 



Lower Guinea. Spanish Guinea : Bebai, Tessman, 701. 



23. D. Zenkeri, Engl. Monogr. Morac. Afr., 14. t. vii. C. Stem 

 woody below, herbaceous above, 9-16 in. high, bearing in the upper 

 part a dense short pubescence mixed with longer hairs ; inter- 

 nodes rather long, 1 J to nearly 2 in. below and f-lj in. in the upper 

 portion of the stem. Leaves papery when dry, elliptic to obovate- 

 elliptic, tapering more or less to the acuminate apex and to the 

 subobtuse base, margin undulate, 5-6J in. long, 1|-2| in. wide, 

 glabrous, dull green above, paler beneath ; lateral nerves generally 

 7-8 on each side, curving gently upwards and uniting near the 

 margin ; petiole f-l| in. long. Stipules triangular, acute, deciduous, 

 1-lJ lin. long. Inflorescence solitary, sometimes in pairs ; stalk 

 slender, varying in length from J-3 in. ; receptacle face subrhomboid 

 to oblong, deep-purple, about J in. in its longest diam., with a narrow 

 margin passing into a varying number of very unequal linear bracts, 

 including 2-4 very long (up to 4 in.). Male flowers 2-3-androus ; 

 female scattered through the receptacle ; ovary ovoid, passing into a 

 long 2-fid style. 



Upper Guinea. Cameroons : Bipinde, Zenker, 1042 ! 3171 ! 3956 ! 4486 ! 



24. D. usambarensis, Engl, in Engl. Jahrb. xxxiii. 114. Stem 

 herbaceous, 8-16 in. high, in the upper part very shortly puberulous, 

 as are the petioles, peduncles and receptacles ; internodes J-lJ in. 

 long below, lJ-4 lin. above. Leaves membranous, oblong with an 

 acute base, margin entire or remotely undulate or with a few large 

 teeth, 2J-4 in. long, lJ-2 in. wide ; lateral nerves 5 on each side, 

 ascending and passing into the teeth ; petiole barely | in. long. 

 Receptacle bright green, subrhomboid, about 4 lin. in diam. ; bract- 

 arms linear, generally 4, the longer barely J in. long, 4 smaller 

 2J-3J lin. long, and 8 very short and tooth-like scarcely J lin. long ; 

 peduncle barely J in. long. Fruit with a crustaceous warted endocarp. 



Mozamb. Distr. German East Africa : Usambara ; Nquelo, on the Ngambo- 

 road in primitive forest, Scheffler, 43. 



25. D. Solheidi, De Wild. Etudes Fl. Bas- et Moy en-Congo, iii. 65. 

 Stems herbaceous, 6-12 in. high, ascending from a cylindrical woody 

 creeping rhizome 1 J lin. thick ; stem, rhizome and petiole densely 

 hirtellous, hairs brownish, short, intermixed with longer. Leaves 



