Buphorbia. | CXXII,, EUPHORBIACE® (BROWN). 477 
Annual (or perennial?) with 
prostrate or erect branches 
2-20 in. long; involucre 
puberulous or tomentose. 
Branches always with a pubes- 
cence of very spreading 
straight hairs, sometimes 
scanty; leaves entire . 11. HE. granulata, 
Branches tomentose or pube- 
rulous with minute curved 
adpressed hairs, or if vil- 
lous with spreading hairs, 
then with toothed leaves. 
Leaves 3-1} in. long, acute, 
entire or minutely 
‘toothed; seeds with 
3-4 transverse ridges 
on each face. - 3. E..convolvuloides, 
Leaves 1—3 in. long, usually 
distinctly and acutely - 
toothed; seeds slightly 
pitted-rugose . . 10. E. scordifolia. 
Leaves 4-3 in. long, entire 
or minutely or ob- 
securely toothed; seeds 
with slight transverse 
ridges. 
Involucre 4 lin. in diam. ; 
styles $ lin.long . 18. LE. Afzelit. 
Involucre 3-% lin. in 
diam.; styles very 
minute, }-¢ lin. 
long. 
Gland-appendages very 
smal], but distinct 
and petal-like . . 19. £. kilwana, 
Gland-appendages very 
indistinct or obsolete 
ase or rarely 2, petal-like 20. EL. egyptiaca., 
Annual or perennial, erect or rarely somewhat 
scrambling (never prostrate) herbs, some- 
times woody at the base and in 73, £. 
agowensis, perhaps shrubby, but always 
with herbaceous flowering branches, usually 
1 lin. or more thick, in a few species more 
slender; leaves alternate or opposite or 
opposite at the flowering nodes and alternate 
elsewhere, equal-sided at the base, exstipu- 
late ; involucre-glands 4—5, entire, minutely 
toothed, crenulate or 2-horned, but without 
other processes or appendages. 
Stem and branches with narrow wing-angles 
decurrent from the flat petioles ; leaves 
alternate except at the forkings of the 
flowering branches . : 39. BE. crotonotdes. 
