28 CXXIIIc. MORACE (Rendle). 
*****Receptacle much elongated, narrowly linear- 
lanceolate, with no lateral bract-arms (but 
see 48, D. lukafuensis). 
Male flowers l-androus : 
Receptacle about | in. long, lunately ed i 46. 
Receptacle not lunate : 
Lateral margin entire throughout 
Lateral margin with a few short bract- 
arms just above the base ... .. 48. 
Male flowers 2-androus (or sometimes sli 
l-androus) (not seen in 50, D. ee 
Receptacle exceeding 1 in. in see 
leaves oblong-elliptic ... ; 
Receptacle less than 1 in. in leith leaves 
oblong-lanceolate : 
Apical bract-arm not pista the recept- 
acle 
Apical bract-arm éxpoeding the receptacle 51. 
Male flowers 2-androus with a central colum- 
nar pistillodium ... : e030 
*#4#***Receptacle orbicular or 3- to ‘abli-angular, 
with an obvious margin (1-4 lin. broad), 
and bract-arms varying greatly in length, 
generally a few are long and the nye ning 
ones range from inconspicuous teeth to 
moderately long, linear arms : 
Bract-arms not or barely exceeding the 
diameter of the receptacle : 
Margin of receptacle 3 or more lin. wide : 
Stipules 2-24 lin. long. ... : 
Stipules 6-7 lin. long 
Margin of receptacle about 1 lin. wide 
Some bract-arms exceeding the diameter of 
the receptacle : 
Bract-arms few, with intervening projections : 
Receptacle four-sided with 4 aes bract- 
arms ... 
Receptacle subtriangular with 3 long 
bract-arms.. = 
Bract-arms many : 
Longer arms not exceeding } in. 
Longer arms 3-1} in. e 
Longer arms 2-4 in., with pectinate 
margin 
6. Stems woody; female ‘ho wieara solitary ind 
central or few in number. 
- *Receptacle turbinate with orbicular or lobed 
disc bearing a few long slender bract-arms : 
. 58. 
Receptacle with orbicular disc «61. 
gates ag a with lobed disc (sometimes oldone 
in 62, D. Ledermannit) : 
Receptacle 4-lobed : 
Leaves obovate-lanceolate . 62. 
Leaves oblong ss 63 
Receptacle 3-lobed ... .. 64 
Receptacle 5-6-toothed 2s 66 
. 4/1. 
. 49. 
. 56. 
. 59. 
| Dorstenia. 
D. bicornis. 
D. psilurus. 
D. lukafuensis. 
D. scabra. 
. 50. D. tenuifolia, 
D., Stolzir. 
2. D. Klainei. 
53. D. Bartert. 
Se OB 
D. multiradiata. 
D, [nje. 
D. mogandjensis. 
57. D. subtriangularis. 
D. Talbotii. 
D. Batesii. 
. 60. D. yambuyaensis, 
D, turbinata. 
D, Ledermannii. 
. D. edeensis. 
. D. aspera. 
. D. Buesgenii. 
