Dorstenia.] cxxiiic. morace^ (Rendle). 33 



6. D. stipulata, Rendle in Journ. Bot. 1915, 298. Stem leafy, 

 erect from a creeping rooting lower portion, woody below becoming 

 herbaceous above, about 10 in. high and IJ lin. thick, the soft wood 

 impregnated with a yellow resin, internodes generally J-j in. long, 

 glabrate. Leaves obovate-elliptic, apex obsoletely acuminate, blunt, 

 base cuneate, very blunt or obscurely cordate, margin slightly undulate, 

 4J-5 in. long, 1 J-2J in. wide, glabrous ; lateral nerves 8 or 9 on each 

 side, ascending, upcurving and uniting somewhat within the margin, 

 impressed on upper face, prominent below, reticulation prominent ; 

 petioles stout, 5-9 lin. long. Stipules linear-subulate from a narrow 

 triangular base, 4-6 lin. long, persistent. Inflorescences solitary or 

 paired in the leaf-axils, young, flowers not opened ; stalk f in. long ; 

 receptacle J in. in diam., resembling that of D. ophioconia and 

 bearing 8 long slender arms, IJ in. long. 



Lower Guinea. Gaboon : Mfoa, 85 miles east of Gaboon, in forest, Bates » 

 518! 



7. D. kribensis, Engl, in Engl. Jahrh. xlvi. 271. A glabrous 

 herb with an erect stem about \\ ft. high, internodes f in. long. 

 Leaves oblong-lanceolate, apex subobtuse, base acute, 4-6 in. long, 

 1J-2J in. wide, pale yellowish-green beneath ; lateral nerves 5-7 

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

 petioles 5-7 lin. long. Stipules narrowly triangular, about 3 lin. 

 long, persistent. Stalk of receptacle slender, up to \\ in. long ; 

 receptacle irregularly and slightly 6-lobed, about 5 lin. in diam., 

 with 6 linear bract-arms twice as long as the diameter, sometimes 

 with 2-3 shorter ones also. 



Upper Guinea. Cameroons : Kribi, 3-7 ft. above sea-level, Ledermann, 

 700. 



8. D. alternans, Engl, in Engl. Jahrh. xlvi. 273. Glabrous ; 

 stem herbaceous, woody below, ascending from a creeping rooting 

 base, about 8-12 in. high ; internodes short, J-J in, long, sometimes 

 less. Leaves oblong- elliptic to narrowly elliptic, apex shortly and 

 obtusely acuminate, narrowing cuneately below to an acute base, 

 margin slightly undulate, 4-5J in. long, IJ-lf in. wide ; lateral 

 nerves 6-8 on each side, curving upwards and uniting within the 

 margin, subprominent on the paler lower face ; petioles slender, 

 5-7 lin. long. Stipules small, narrowly triangular, acute, 1-1^ lin. 

 long, persistent. Inflorescence solitary in the upper leaf-axils ; 

 stalk slender, \\-\\ in. long ; receptacle orbicular, shortly 8-lobed, 

 about 5 lin. in diam., each lobe bearing a slender bract-arm, 1-1 J in. 

 long, slightly dilated at the apex, short intervening arms, about 

 J in. long, are also sometimes present. Flowers as in D. ophiocoma. 



Upper Guinea. Cameroons : Elabi, marshy places in the alluvial forest, 

 30-50 ft. above sea-level, Ledermann, 537 ! 



FL. TROP. AFR. VI. SECT. II. PART I. C 



