CIX. EUPHORBIACESR. 330 
3) cocci, which generally split into 2 valves, and break off 
from a central, persistent columnar axis. Seeds albuminous ; ; 
embryo central ; cotyledons usually flat or flattish, sometimes 
leafy.—Trees shrubs and herbs, very varied in habit, frequently 
with an acrid, milky juice. Leaves mostly alternate, with or 
without stipules. 
Series 1. UntovunaTE. Ovules 1 in each cell. 
Several monandrous male flowers and a solitary fe- 
male together in a calyx-like, fleshy, 4—5-lobed in- 
volucre (milky plants). . ... . . lL. EvPHoRBIA. 
Male and female flowers separate. 
Male flowers (at least) furnished with petals. 
Stamens united in a central column. 
Stamens 10; petals longer than the a 3. JATROPHA. 
Stamens 5; ‘petals short 9.4. . . 4 CLuYTia. 
Stamens free. 
Calyx 5-parted; petals 5, clawed . . . . 5. CROTON. 
Calyx 2-parted, sepals horned ; petals 2 6. CERATOPHORUS. 
Male flowers without petals. 
Stamens many or very many (at least 50). 
Stamens polyadelphous; filaments much- 
branched. . ah ees |. ge ae es COINS: 
Stamens monadelphous ; ‘flowers clustered 
within two large leafy-veined bracts . 13. DALECHAMPIA. 
Stamens free ; flowers not bracted. 
Calyx of both sexes 3-4-parted; sepals 
entire. . . 14, CLAOXxYLON. 
Calyx of male ‘5. -parted ; of female 6~7- 
parted ; the sepals pectinate-pimnatifid . 15, CrENOMERIA. 
Stamens few, never more than 20. 
Ovary 2-celled; capsule 2-coccous. 
Trees or shrubs, with long-petioled, round- 
ish leaves. . . . 1 ds APPR 
Herbs, with narrow, subsessile ‘leaves . 11. SErpeEtra. 
Ovary 3-4-celled; capsules 3-4-coccous. 
Stamens 2-3. 
Male-calyx 3-parted ; female 3-8-parted, 
the segments pectinate-pinnatifid (twin- 
ing, hairy halfshrubs). . . . . . 10. TrRaaqta. 
Male-calyx cup-like,.crenulate; female 
3-toothed (trees and cast with ah 
Bucs), TA eet ty F . 16. STILLINGIA. 
Stamens 8-16. 
Styles 3, divergent, coloured, multifid . 8. ACALYPHA. 
Styles 3, deeply 2-fid . . 9. ADENOCLINE. 
Style 1, short and thick ; stigma 3-4. 
geen > oF ROLES Te . 12, PLUKENETIA. 
Series 2. BrovuLaTe. Ovules in pairs in Ra cell, 
Flowers furnished with petals. 
Calyx 5-fid; the lobes thick, triangular, valvate in 
bud . . . . 19. BRIEDELIA. 
Calyx 5- -parted ; : ‘sepals villous, imbricate in bud , 23, LACHNOSTYLES. 
