Dorstenia.] cxxiiic. morace.e (Rendle). 55 



J in broad, including the narrow margin (about 1 lin. wide), which 

 is prolonged into numerous bract-arms of very variable length, from 

 triangular tooth-like projections to narrow-linear and (3-7 lin. long. 

 Male flowers 2-3-androus ; female with the deeply 2-fid style pro- 

 jecting from the tubular mouth of the perianth. — De Wild, ifitudes 

 Fl. Bas- et Moy en-Congo, ii. 123, t. 59. 



South Central, Belgian Congo : Sankuru, Luja, 177 ! 



56. D. mogandjensis, De Wild. Etudes FL Bas- et Moi/en-Congo, 

 ii. 241. Stem woody below, herbaceous above, densely covered in 

 the younger part with short, rather stiff, spreading hairs. Leaves 

 papery when dry, somewhat oblong-elliptic, apex acuminate, narrow- 

 ing somewhat abruptly to a cuneiform, blunt base, margin entire or 

 slightly wavy, 4J-5J in. long, lJ-2 in. wide, glabrous except for a 

 few hairs on the veins on the lower surface ; lateral nerves about 

 7 on each side, curving upwards and uniting within the margin, 

 prominent beneath ; petiole hairy like the stem, 4-5 lin. long. 

 Stipules small, triangular, acuminate, deciduous. Inflorescences 

 solitary in the upper leaf-axils ; stalk lJ-2 in. long, with scattered 

 hairs ; receptacle somewhat square, about } in. in diam., with 

 a membranous margin 2 lin. broad, produced at the four corners 

 into a bract-arm which is linear from a triangular base, j-2 in. long, 

 and enlarged at the apex, with short triangular projections between 

 the long arms and on the base of the latter. — Th. & Hel. Durand, 

 Syll. Fl. Congol. 502. 



South Central. Belgian Congo : Mogandjo, on the Aruwimi River, Laurent, 

 1996! 



57. D. subtriangularis, Engl. Monogr. Morac. Afr. 15, t. v. A. 

 Stem erect, apparently from a creeping horizontal rooting base, 

 woody below, herbaceous above, 6 in. to 2 ft. high, simple or some- 

 times branched ; young stem and petioles shortly hairy. Leavesi 

 papery when dry, elliptic, apex shortly acuminate, tapering to the 

 subobtuse base, margin obscurely undulate or with a few large teeth 

 above, 3J-6 in. long, li-3J in. wide, glabrous, bright green above, 

 paler beneath ; lateral nerves 6-8 on each side, curving upwards 

 and uniting near the margin ; petiole J-J in. long. Stipules small, 

 triangular-subulate, 1-lJ lin. long, persisting as long as the leaves. 

 Inflorescence solitary or paired ; stalk slender, 1-lJ in. long, 

 puberulous or glabrescent ; receptacle disciform, subtriangular to 

 trapezoidal, purplish-green, 4-5 lin. wide, with a broad fjreen 

 margin 3-5 lin. broad, passing at three of the angles into long linear 

 bracts 1-lJ in. long, with a nmch shorter bract at the fourth corner 

 and sometimes a few short teeth between. Engl, in Schlecliter, 

 Westafr. Kautsch.-Exped. 286. 



Upper Guinea. Southern Nigeria: Oban, Talbot, 2315! ( aiueroona : 

 between Victoria and Bimbia, Prtuss, 1135! 1347! VicU.ria, Schlrchter, 

 12375 ! Bipindi, Schlechier, 12424 ; Am bas Bay, Mann, XUIl ! 



