448 CXXII, EUPHORBIACEE (PRAIN AND 
Filaments connate into a column 
crowned by a rudimentary ovary ; 
capsule echinate or tubercled; 
glomerules axillary 5 : 
F laments free ; rudimentary ovar ary 0; 
capsule smooth ; glomerules leaf- 
opposed or extra-axillary 3 c 
Flowers racemose; anthers sessile or 
reat so; capsule smooth ; rudimen- 
tary ovary 0; pedicels thickened up- 
wards. : 
}4Styles connate into a stout rey and con- 
tinuous with body of carpels. 
Ovary 4-carpellary; stamens 8-40 . : 
Ovary 3-carpellary. 
Flowers in dense involucrate heads; stamens 
BROWN). 
20-30 c 6 - 5 - 73 
Flowers racemose or spieae 
Stamens numerous; female  tlowers 
apical. 
Male calyx 3-5-fid; rudimentary 
ovary O : 3 j 74 
Male calyx 2-fid ; rudimentary ovary 
present : ‘ . 75 
Stamens 3; female ne ers basal 3 , 76 
**Male calyx in bud open, not covering the stamens 
completely. 
Ovary 1-3-celled ; fruit small, indehiscent or 
capsular. 
Flowers racemose ; stamens 15, 18 or 21, free 
anthers nearly sessile; male calyx-lobes 
imbricate; fruit 1-celled, indehiscent ; 
dicecious i é : ; : 78 
Flowers spicate: stamens 3 or fewer. 
Stamens monadelphous; spikes dense, 
lateral; fruit capsular ; moncecious. 
Spikes ovoid, subcapituliform; male 
calyx-lobes imbricate : : 79 
Spikes subcylindric; male calyx-lobes 
valvate . : : . 80 
Stamens free ; spikes rather lax. 
Seeds strophiolate ; spikes terminal or 
both terminal and axillary or lateral ; 
moneecious 5 ‘ . ° - ol. 
Seeds estrophiolate. 
Spikes terminal; moneecious . . 82 
Spikes lateral; dicecious . : . 83 
Ovary 5~20-celled; fruit large, capsular ; flowers 
spicate; spikes terminal ; stamens 8-20, 
monadelphous ; moncecious . a 3 . 84 
. CHETOCARPTS. 
. GELONIUM. 
. HAMILCOA. 
. PLUKENETIA. 
. DALECHAMPIA. 
, PycnocoMA. 
. NEOPYCNOCOMA. 
. TRAGIA. 
. PLAGIOSTYLES. 
. MAPROUNEA. 
. SPIROSTACHYS. 
SEBASTIANIA. 
. SAPIUM. 
. ExcccaARIiA. 
. HURA. 
1, STENADENIUM, Pax in Engl. Jahrb. xxx. 349. 
Apparent flower consisting of a short tubular or cup- -like in 
open on one side to about the middle, formed of 5 lobes connate 4 
volucre 
¢ their 
