482 CXXIL, EUPHORBIACEZ (BROWN). 
subsessile, but often 
tapering to the base; 
ovary and _ capsule 
glabrous. 
Leaves 3-1} in. long, 
crowded ; umbel 7—10- 
rayed, dense ° 
Leaves mostly 2-6 in. 
long; umbel 3-5- 
rayed. 
Bracts #-2 in. broad; 
umbel-rays 3-8 in. 
longs =: 
Bracts 3-3 in. broad; 
umbel-rays4 4-Lin, 
long. 
Bracts 4 in. broad, 
with overlapping 
margins, forming 
a cup, finally free 
Bracts 3—} in. broad, 
not overlapping at 
the margins ° 
Shrubs or trees; branchlets distinctly woody, spine- 
tipped, vigid ; ovary puberulous to tomentose. 
Branches usually repeatedly 3-forked - . 
Branches alternate, widely or subhorizontally 
spreading. 
Snvolucres solitary, mostly axillary or on short 
axillary shoots scattered along the 
branches, sometimes terminal. 
Branches leafy at the time of flowering; 
involucre 13-2 lin. in diam. ° . 
Branches usually leafless at the time of 
flowering; involucre 23 lin. in diam. . 
Involucres usually in umbel-like cymes or 2-3 
in a cluster, sometimes solitary, 2-3 lin. 
in diam.; branches usually leafy at the 
time of flowering. 
Leaves glabrous on both sides; East Africa 
Leaves minutely puberulous on both sides ; 
Angola ; . 
Shrubs ortrees, woody or succulent ; branchlets terete, 
neither spine-tipped nor armed with spines, and 
when succulent neither tessellate nor tuberculate. 
Leaves present on the flowering branches. 
Leaves linear, 1-2 in. long, surrounding the 
terminal solitary involucre ; branches fleshy 
Leaves obovate, Shladiceolate, ovate, elliptic 
or orbicular, petiolate or tapering to the 
base. 
Leaves (including the petiole, where present) 
2-6 in. long. 
Involucres in terminal umbels with rays 
1-3 in. long. 
59. 
62. 
QD 
On 
81. 
82. 
83. 
93. 
E. 
E. 
| Huphorbia. 
. whyteana. 
macrophylla. 
ugandensis. 
. usambarica, 
. matabelensis. 
. Lyciopsis. 
spinescens. 
. cuneata. 
. Currori. 
. sepium. 
