968 
CXXII. EUPHORBIACE% (PRAIN). 
bristly, _ bristies 
accompanied or 
not by a_ soft 
pubescence; 
bracts subulate. 
Leaves acuminate, 
2 in. long or 
longer. - 16. 
Leaves acute, under 
lin.long; stems 
sometimes (var. 
. . ‘ 
parvifolia) 
erect E ned Wy 
Leaves ovate-oblong, 
hardly bristly ; 
bracts wide-ovate 26. 
ttLeaves more or less distinctly 
3-lobed and _ subhastate- 
auriculate, 
Basal lobes  semiorbicular, 
sometimes obscure, their 
margin serrate like the 
central lobe; stems long, 
slender, twining . oe: 
Basal lobes oblong, subhori- 
zontal, more coarsely 
toothed than the central 
lobe; stems erect ; female 
calyx - segments often 
fewer than six : Bod: 
** Female calyx 3-partite, or, if segments more than 
3, the these 1-seriate (see 34, dioica). 
Leaves sessile or subsessile; stems erect. 
Racemes 6 in. long or longer; male flowers 
in 3-flowered cymules; leaves lanceolate, 
rounded at the base. : = 35. 
Racemes 1] in. long; male flowers solitary to 
their bracts, 
Leaves ovate, truncate or cuneate at thebase 36. 
Leaves linear- to ovate-lanceolate, sub- 
hastate-auriculate at the base . a oS 
Leaves distinctly petioled, more or less cordate 
at the base. 
Stems erect or suberect. 
Male flowers solitary to their bracts ; cocci 
subglobose. 
Leaves ovate-triangular, deep-cordate at 
the base : < ot: 
Leaves distinctly 3- ished, ‘subbastate- 
auriculate at the base; female calyx- 
segments usually more than three . 34. 
Male flowers glomerulate; cocci bluntly 
angled on the back; leaves ovate-lanceo- 
late, shallow- to rik Racicgims at the 
base, hirsute . A “ . 44. 
| Tragia. 
T. cordifolia. 
T. arabica, 
T. insuavis. 
T. Okanyua. 
T. dioica. 
T. Wildemanit. 
T. Gardnert. 
T. subsessilts. 
T, Dinteri. 
T. dioica. 
T. senegalensis. 
