Dorstenia.] cxxnic. morace^ (Rendle). 67 



82. D. sessilis, R. E. Fries in ArJciv. Bot. xiii. 710. i. 16, t. 2, fi/js. 

 6-8. Tuber placentiform, 1-1 J in. in diara., 7-9 lin. high, pale 

 yellowish, convex surface smooth, upper surface and margin warty 

 and emitting fibrous roots. Stem solitary, erect from the centre 

 of the depression, rather succulent, terete, 8-12 in. high, bearing 

 a dense short strigose pubescence, becoming glabrous near the base ; 

 leafy above, with internodes up to IJ in. long, and bearing in the 

 lower half a linear-oblong acute ciliate scale at each node. Leaves, 

 from the figure evidently very young, sessile, erect, linear, narrowing 

 gradually from the base to the somewhat obtuse apex, margin 

 revolute and closely denticulate, up to IJ in. long and J-lJ lin. 

 broad, covered with short grey stiffish hairs. Stipules linear-oblong, 

 acute, ciliate, 1-1 J lin. long, persistent. Receptacle sessile in each 

 leaf-axil, rounded-elliptic, fixed at or a little below the middle, about 

 3 lin. long and 2 lin. wide, yellowish-green, disc convex, dark purple, 

 with an entire or obscurely sinuate margin ; bract-arms 2 (very 

 rarely 3) one at each end, springing from below the margin, linear, 

 ^J lin. wide, becoming densely and shortly strigose-hirsute above 

 the base, apical arm 7-9 lin. long, basal 2J-4: lin. Male flowers 

 2-(or 3-)androus, with 2 (or 3) rounded fimbriate perianth-lobes ; 

 female numerous ; style minutely 2-fid at the apex. — R. E. Fries 

 in Wiss. Ergebn. Schwed. Rhodes. -Kongo-Exped. 1911-12, i. 13. 



Mozamb. Distr. Rhodesia : between Lakes Bangweolo and Tanganyika, 

 Fries, 1133. 



83. D. caudata, Engl, in Engl. Jahrb. xxviii. 377. Stem erect 

 from a depressed tuber about 2 in. in diam. and 1 in. high, thick, 

 fleshy, about 16 in. long and 3 lin. thick, rather densely leaved. 

 Leaves thin, lanceolate, acute, base cuneate narrowing to the short 

 petiole, margin serrulate, 2^5 in. long, 1-lJ in. wide, very shortly 

 and sparsely hairy beneath. Receptacle subsessile (stalk 1 lin. long), 

 much curved, boat-shaped, 4—5 lin. long, and 2 lin. broad, with a 

 slightly lobed margin J lin. broad and a narrow tail-like bract-arm 

 from the upper end about 2 in. long. Flowers verv small ; stvle 

 2-fid. 



Mozamb. Distr. German East Africa : Uhehe ; on the Ruaha River, 2000 ft., 

 Goetze, 459. 



84. D. ruahensis, Engl, in Engl. Jahrh. xxviii. 377. Stem erect 

 from a depressed-globose tuber about J in. in diam., fleshy, 12 in. 

 long, 2J lin. thick, very shortly hairy, laxly leaved above. Leaves 

 thin, oblong, broadly and minutely dentate. 4-5 in. long, 11-2 in. 

 wide, sparsely pilose on both faces ; lateral nerves about 8 on each 

 side, spreading ; petiole and midrib very shortly hairy. Peduncle 

 about 3 in. long ; receptacle flat, oblong, obtuse, 6-9 lin. long, 4-5 

 lin. broad, with a narrow obtusely crenate violet margin about 



