Dorstenia.] CXXIIIc. MORACEZ (Rendle). 
**Receptacle  cuneiform- ey saa tae 
bract-arms : +. 66. 
***Receptacle elongated, with a bracts arm at 
each end: 
Receptacle boat-shaped : 
Margin of ecentacla 2-24 lin. wide 67 
Margin of receptacle less than } lin. wide 68 
.o re . 69 
Receptacle linear 
c. Stems succulent, marked at the nodes with 
roundish seal-like leaf-scars ; male flowers 
2~3-androus ; female numerous ; style 2-fid 
at the apex. 
Receptacle orbicular ; 
exceeding its diameter 
Receptacle broadly elliptic ; 
about half its diameter 
bract-arms equal or 
bract-arms 
d. Stems succulent, one or few from a basal gene- 
rally depressed-globose(placentiform) tuber, 
leafy only in the upper part, scale-bearing 
below ; leaves attaining full development 
after flowering. Receptacle orbicular or 
elliptic ; bract attached below the serrate 
or crenate margin; style 2-fid at the apex 
only. 
Pe euacte orbicular : 
Leaves narrowly linear-lanceolate, 1lin. wide 72. 
Leaves not less than 4 lin. wide: 
Bract-arms few, 2-5 (rarely up to 8) 
Margin of receptacle crenulate ... - 13. 
Margin of receptacle ciliate - 79. 
Bract-arms numerous, 7-15: 
Disc of receptacle in flower not exceeding 
4 in. in diameter: 
Longer bract-arms exceeding the 
diameter of the receptacle : 
Leaves ehonaetanaen ate! to a SNP, we 
tic “ve 4 
Leaves lineés Sahooclata 75. 
Leaves lanceolate-acuminate ~ 46. 
Longer bract-arms about equal to the 
sso ZAY: 
Sapte 
29 
D. amena, 
. D. alta. 
. D. Smythei. 
. D. angusticornis. 
D. Schlechteri. 
D. Warneckit. 
D. katangensis. 
D. Debeerstiz. 
D. mirabilis. 
4, D. benguellensis. 
D., rhodesiana. 
D. Verdickei. 
diameter of the receptacle . 17. D. Hildebrandtii. 
Dise of receptacle in flower + in. in 
. diameter... . 78. D. Homblei, 
Receptacle elliptic Choat-sbeped in 83, D. 
caudata). 
Bract-arms many, radiating : 
Leaves lanceolate ; bract-arms | in. tong 80. 
Leaves narrowly Jomemnoiee ca 
4 in. long. 81. 
Bract-arms 1 or 2: 
Receptacle sessile or subsessile : 
One bract-arm from each end 4 BZ 
A bract-arm only from the upper end 83. 
+0) 84. 
Receptacle stalked ; bract-arms 2 
D. Wellmannii. 
D. Braunit. 
D. sessilis. 
D, caudata. 
D. ruahensis, 
