446 CXXII. EUPHORBIACEX (HUTCHINSON AND PRAIN). 
Flowers in 2-sexual dichotomous cymes ; 
male petals free or united. . 39. JATROPHA. 
Flowers in l-sexual racemes of cymales ; : 
male petals free . : . 40. MILDBREDIA. 
Flowers in axillary fascicles or the females 
axillary and solitary; male petals free . 41. CLUYTIA. 
Male calyx-lobes valvate. 
Flowers paniculate or cymose; rudimentary 
ovary 0. 
Male petals free ; panicles terminal. 
Leaves palminerved; fruit indehiscent 
or subindehiscent . : ; . 42. ALEURITES. 
Leaves penninerved. 
Leaves beneath and calyx outside 
silvery lepidote . “ . 43. CYRTOGONONE, 
Leaves beneath and calyx outside 
glabrous”. . 44. GROSSERA. 
Male petals united ; panic lovaxillar Y 5 ‘Teav es 
palminerved - : 2 : . 45. MANNIOPHYTON. 
Flowers racemose or spicate. 
Male petals usually united ; racemes axil- 
lary ; calyx lepidote; rudimentary ovary 0 46. CROTONOGYNE. 
Male petals free; calyx not lepidote. 
Racemes or spikes terminal ; rudjimen- 
tary ovary O . ° : . 47. HOLSTIA. 
Racemes or spikes Jater: il. 
Diccious trees; filaments almost or 
quite free ; anther-cells almost free, 
pendulous from a glandular connec- 
tive; styles 2-fid . a . 48. AGROSTISTACHYS. 
Moneecious herbs; tilaments connate 
into a column. 
Rudimentary staat present ; styles 
lacerate . . 49. CAPERONIA. 
Rudimentary ovary: 0; styles 2- fd 50. CHROZOPHORA. 
Petals in male flowers 0. 
**Male calyx in bud enveloping the stamens. 
}Styles free or if connate into a slender column 
continuous with columella. 
Racemes or spikes terminal, simple. 
Flowers large ; leaves (in our species) digi- 
tately lobed ; calyx-lobes imbricate . 51. ManrHoT. 
Flowers very small; leaves not lobed ; 
calyx-lobes valvate ° ° 
Racemes or spikes or glomerules axillary or 
lateral. 
| Male calyx-lobes valvate or subvalvate. 
Filaments unbranched, usually free. 
Anther-cells free except at point of 
attachment to filament, globose 
or ovoid; leaves not lobed. 
Anther-cells sessile, erect. 
Anthers 4-celled ; male calyx not : 
closed in bud, lobes subvalvate 53. HASSKARDIA. 
Anthers 2-celled; male calyx 
closed in bud, lobes valvate. 
52. CEPHALOCROTOS. 
