Dorstenia. | CXXIIIc. MORACEH (Rendle). 
Receptacle subrhomboid with a varying number 
of very unequal bract-arms : 
Receptacle 4 in. wide; a few bracts bade 
long, to 4 in. xe 
Receptacle 4 lin. wide: ; eae -arms ac 
exceeding 5 lin. in length 5¢ 
Receptacle with long bract-arms from the ee 
Receptacle rhomboid . es “oc ae 
Receptacle Space eee 
Receptacle 5-angular, with longer bract-arms 
from the ae and Bes Sse shorter 
S223. 
ones 
t{Bract-arms not stunbatis ‘the giatster of the 
receptacle : 
Leaves entire ; longer bract-arms 5 to 6, about 
3-2 in. long . : 0 
Leaves entire or grossly dots: ane bract- 
arms 7-10, about 6 lin. long “a 6 
Leaves unequally pinnatifid 
*4*#*Receptacle elongated, at least twice as long as 
broad (? 34, D. Brieyi): 
+Bract-arms on sides as well as ends of receptacle, 
sometimes very short or uniting to forma 
toothed margin on the sides : 
Terminal bract-arms longer than receptacle : 
Terminal bract-arms to 2 in. long: 
Lateral margin strongly toothed ... 
Lateral margin weakly toothed 32 
Terminal bract-arms to 4 in. long 33 
Terminal bract-arms to 8 in. long 34 
Terminal bract-arms peely as lene. as the 
receptacle Sc oe 
Terminal bract-arms less that half as like as 
the receptacle : 
Receptacle more than twice as long as broad : 
Receptacle more than $ in. long : 
Bracts slender, 1 lin. or less in eae 36. 
Bracts triangular, tooth-like «obs 
Receptacle less than 4 in. long . 38. 
negm ir e 8 not more than twice as long as 
broad ; bracts very short. 
. 39. 
Bracts 4, symmetrical, triangular 
Bracts ee a ay dentate 
margin 
Bracts numerous, very shan inae 
ftOne bract-arm at each end of the oblong or 
elliptic receptacle : 
Receptacle }in. long; bract-arms7lin.long ... 42. 
Receptacle $ in. long ; cont bract-arms 
2 in. long. «-. -. 43. 
TttBract-arms from Bpeer sia only of itis ove! 
receptacle : 
TittMargin of receptacle entire ; no beiets obvios 45. 
. 26. 
27 
D, Zenker. 
24. D. usambarensis. 
25. D. Solheidiz, 
D. Laurentii. 
27. D. obtusibracteata. 
28. D. Staudtit. 
29. D. jabassensis. 
. 30. 
D. ulugurensis. 
. D. tayloriana. 
. D. equatorialis, 
. D. longicauda. 
. D. Brieyi. 
35. D. poinsettiifolia. 
D. Dinklaget. 
D. prorepens. 
D. dionga. 
D. paucidentata. 
. 40. D. Goetzii. 
= Al: 
D. convexa. 
D. angusta. 
D. Buchanani, 
. 44. D. unicaudata, 
D. scaphigera. 
