72 cxxiiic. HORACES (Rendle). [Dorstenia, 



91. D. palmata, E^igl. in Engl. Jahrb. xx. 146. A small acaulescent 

 herb ; tuber roundish when young, becoming broadly conical, 

 sometimes with a stout cylindrical neck, and reaching l-lj in. 

 in diam., surface dark brown, bearing fibrous roots. Leaves long- 

 petioled, glabrous, thinly papery when dry, 3-4 in. long, about 3 in. 

 wide, either ovate-cordate, obtuse, with entire or dentate margin, 

 and 7-9 nerves spreading palmately from the base, or 3-lobed, 

 3-partite or palmatisect, with 5-7 linear or linear-oblong obtuse 

 segments, sometimes with a few remote teeth or blunt spreading 

 pinnae ; petiole 2J-4 in. long. Peduncle 2-4J in. long ; receptacle 

 erect, narrowly elongate-triangular, j-lj in. long, 1^-5 lin. broad, 

 with an apical bract J-f in. long, 1 lin, or less in breadth, and 

 generally a pair of shorter bracts spreading from the corners of the 

 base, sometimes two pairs. Male flowers 2-androus, enveloping 

 perianth faintly lobed ; female flowers distributed ; style simple, 

 projecting from the narrow tubular perianth. Endocarp ovoid, 

 verruculose except on the vertical side, barely 1 lin. in diam. — Engl. 

 Monogr. Morac. Afr. 25, t. ix. fig. D. Kosaria palmata, Schweinf. 

 ex Engl. I.e. 



Nile Land. Jur: Wau, Schweinfurth, 1669! 1881 ! Jur Ghattas, Schwein- 

 furth, 1880 ! near Mangob, Schweinfurth, 1830 ! 



92. D. ellenbeckiana, Engl, in Engl. Jahrb. xxxiii. 116. Leaves 

 springing from an underground stem, somewhat fleshy, ovate or 

 elliptic, with subcordate base, margin undulate, closely beset with 

 minute obtuse teeth, about 2^ in. long, IJ-IJ in. wide, above very 

 shortly hairy, below with longer white hairs especially on the midrib 

 and nerves ; petiole somewhat fleshy, about 1 in. long, very shortly 

 hairy like the peduncles and receptacles. Peduncle 2| in. long ; 

 receptacle orbicular, ferruginous, about 1 in. in diam., bearing 

 numerous very unequal bracts, those of the first grade about 10, 

 linear, 3J lin. long and J lin. w^ide, of the second grade 4-5, between 

 the primary, linear-spathulate, lJ-2 lin. long and barely J lin. wide, 

 also 1-2 very small ones, less than 1 lin. long between the secondary. 

 Flowers very numerous ; filaments 5-6 times longer than the orbicular 

 anthers. 



Nile Land. Galla Highlands : Arussi-Galla ; near Burkar, 4000 ft., Ellen- 

 beck, 2018. 



93. D. foBtida, Schiveinf. in Bull. Herb. Boiss. iv. App. ii. 120, 

 var. obovata, Engh Monogr, Morac, Afr, 27. Tuber thick and fleshy, 

 bearing several diverging short fleshy stems J-2 in. high, much 

 \\Tinkled when dry and J-J in. thick. Leaves borne at the apex 

 of the stem and short branches, deciduous, on long slender petioles, 

 elliptic, ovate or obovate, |-1J in. long, f-lj in. wide, apex rounded 

 sometimes emarginate, upper surface scabridulous, lower sparsely 

 puberulous as is the petiole ; petiole f-1 J in. long. Peduncle J-f in. 



