Euphorbia.] 



CXXII. EUPHORBIACE.B (bROWN). 



48S 



Loaves acute, tapering to a slender 



base, not distinctly petiolate ; styles 



rather deeply bitid 



Leaves obtuse, distinctly petiolate; 



styles entire or very minutely bifid 



Involucres 1-4, terminal, on peduncles i 



in. long ; leaves obovate, very shortly 



petiolate ...... 



Leaves (including the petiole, when present) 



:|-1^ in.long (see also 96,E. halsamea). 



Involucres apparently solitary, terminal, 



subsessile, 2 lin. in diam.; ovary 



with a 3-lobed calyx 



Involucres in a small terminal umbel of 



cymes on peduncles \\-2\\\n. long, 



sometimes surrounding a sessile 



involucre. 



Involucre 1|— 1^ lin. in diam., with 



glands ^ lin. in their greater diam. 



Involucre 2^3 lin. in diam., with 



glands 1^-lf lin. in their greater 



diam. ...... 



Leaves usually absent fi-om the mature flowering 



branches, only present on tlie young 



growths, elliptic-oblong and petiolate in 



95, E. halsamea, 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 



Branches bearing the cyme or umbel at 



their undivided apex. 



Bracts 2^3 lin. long, elliptic, reflexed, 



green . ..... 



Bracts 6-7 lin. long, orbicular-ovate, 

 spreading, white .... 



Bracts under the involucre not conspicuous, 

 usually not exceeding- or shorti.r than 

 the involucre, or if exceeding it or up to 

 2^ 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 

 Involucres solitary, glabrous, with the 

 capsule exserted from it on a long 

 curved pedicel, glubrous. 

 Branches slightly tuberculate, with 

 flower-scars ^1 lin. in diam. ; styles 

 ^-l lin. long .... 



61. E. EngUri. 



60. E. transvaaletuis. 



89. E. Grosseri. 



79. E. commiphoroides. 



78. E. poLyantha. 



80. E. jatrophoides. 



95. E. halsamea. 



98. E. gossypina. 



99. E. Cameronii. 



86. E. inelegans. 



87. E. espinosa. 



