Kuphorbia. | CXXII, EUPHORBIACE# (BROWN). 483 
Leaves acute, tapering to a slender 
base, not distinctly petiolate ; styles 
rather deeply bifid . ° -. 61. BE, Engleri. 
Leaves obtuse, distinctly petiolate ; 
styles entire or very minutely bifid 60. 2. transvaalensis. 
Involucres 1—4, terminal, on peduncles 3 
in. long; leaves obovate, very shortly 
petiolate . : c . 89. B. Grosseri. 
Leaves (including the petiole, when present) 
4—1} in. long (see also 95, H. balsamea). 
Involucres apparently solitary, terminal, 
subsessile, 2 lin. in diam.; ovary 
with a 3-lobed calyx . A - 79. EB. commiphoroides. 
Involucres in a small terminal umbel of 
cymes on peduncles 1$—23 lin. long, 
sometimes surrounding a_ sessile 
involucre. 
Involucre 14-14 lin. in diam., with 
glands } lin. in their greater diam. 78, EB. polyantha. 
Involucre 24-3 liv. in diam., with 
glands 14-14 lin. in their greater 
diam. : : . 80. B. jatrophoides. 
Leaves usually absent from the ‘mature flowering 
branches, only present on the young 
growths, elliptic-oblong and petiolate in 
95, E. balsamea, linear (in 98, E. gossypina, 
sometimes lanceolate to elliptic) and sessile 
or rudimentary or unknown in all the others. 
Bracts under the glabrous involucre very 
conspicuous, persistent. 
Branches forking or alternately dividing 
into lax flat-topped cymes 4-6 in. in 
diam. ; bracts 3 lin. long, rhomboid, green 95. EB. balsamea. 
Branches bearing the cyme or umbel at 
their undivided apex. 
Bracts 24-3 lin: long, elliptic, refiexed, 
green . - 98. #. gossypina. 
Bracts 6-7 lin. ong,’ érbictlaxovate, 
spreading, white . 5 - 99. B. Cameronii. 
Bracts under the involucre not conspicaous, 
usually not exceeding or shorter than 
the involucre, or if exceeding it or up to 
23 lin. long deciduous. 
Branches woody, with brown bark ; leaves 
not seen. 
Involucres in terminal umbels or clusters 
of 3-5, minutely puberulous ; capsule 
on a pedicel scarcely exceeding the 
involucre, tomentose ‘ - 86. B. inelegans, 
Involucres solitary, glabrous, with the 
capsule exserted from it on a long 
curved pedicel, glabrous. 
Branches slightly tuberculate, with 
flower-sears #—1 lin. in diam. ; sty les 
4-3 lin. long : : . . 87, £. espinosa. 
