776 EUPHORBIACEAE 
" oap iei AE 
Evergreen dioecious shrubs flowers axillary, the 
staminate sessile, the pistillate pedicelled. 
II. PHYLLANTHEQF 
Androecium and .£ynoecium surrounded by a disk at the base. 
Anthers opening horizontally : fruit capsular. 
ios bium e zm ng branches dilated, leaf-like, leafless or 
lower: bea a branches not dilated, leafy. 
Anthers opening vertically : fruit baccate. 
ag tc and gynoecium not surrounded by a disk at the 
l III. DRYPETEAE 
Evergreen shrubs or trees. 
V. Cro 
pets p x ed or pe 
2-celled, 3-lob Led 2-lobe ed, dehiscent: flowers 
e lusters, Spikes, or a 
Ovary 1- Nai capsule 1- celled, achene-like, indehiscent: flow- 
ers sc 
I 
Ovary 3-celled or rarely 2-celled: 
or 
V. DITAXEAE 
style once branched: petals distinct. 
Style several times branched : petals united at the base. 
VI. MERCURIALEAE 
Annual (or perennial) herbs. 
VII. ACALYPHEAE 
Annual 2 perennial monoecious or rarely dioecious herbs, or 
shru owers in axillary or terminal spikes or spike-like 
race fias the pistillate flowers subtended by lobed bracts: 
stigmas much branched. 
VIII. TRAG 
Perennial monoecious herbs, with Eee or acacia stems, pu- 
bescent with often stinging hairs 
. HIPPOMANEAE 
Gynoecium 3-carpellary, or rarely 2-carpellary 
Styles 3, or rarely 2 (Sapium) : fruit dehiscent. 
Receptacle with 3 horn-like projections under the capsule. 
Se with a central column. 
Calyx of the staminate flower p 
(Sapium) : 
ynoecium  3-earpellary: stigma 9: stamens 
usually 3 
Capsule dry: leaf-blades 
seed with a caruncle: 
ase. 
Capsule fle eed wit IG t a caruncle: leaf- 
blades biglandular at the base. 
eium 2-carpellary: stigmas 2: stamens 2. 
js noe 
Calyx wanting or rudimentary. . 
Gnóscium- b- 8-carpellary: styles 6-8: fruit indehiscent. 
X. ADENOROPIEAE 
Petals wanting: stamens 10 or more: calyx corolloid. 
Petals present: stamens 10 or fewer: calyx not corolloid. 
|. XI. MANIHOTEAE 
PE SEEDS; shrubs, or rarely trees, with usually large tuberous 
XII. RICINE 
Annual herbs, or shrubs or O with large a anes lobed 
leaf-blades: capsule echin 
XIII. EUPHORBIEAE 
Herbs, annual or perennial, unarmed, artly woody plan 
Glands of the involucres with petal-like eapendeecs. Giese 
sometimes much reduce 
mare all | ORDOGI leaf-blades inequilateral, oblique at 
t 
Leaves alternate or scattered at least below the in- 
scence: stem topped by an umbel. 
fod 
Os p 
an 
n 
12. 
14. 
23. 
24. 
SAVIA. 
XYLOPHYLLA, 
. PHYLLANTHUS. 
CICCA. 
. BREXNIA. 
. DRYPETES. 
CROTON. 
CROTONOPSIS. 
. CAPERONIA. 
. MERCUBRIALIS. 
ACALYPHA. 
TRAGIA. 
STILLINGIA. 
. SEBASTIANA. 
. TRIADICA. 
SAPIUM. 
? GYMNANTHES. 
. HIPPOMANE, 
. BIVONEA. 
. ADENOROPIUM,. 
. JATROPHA, 
RICINUS. 
CHAMAESYCE, 
