556 XCVIII. EUPHORBIACEiE 



Fr. globose, in "bimclies, mostly 

 from the old wood, seeds em- 

 bedded in a flesliy aril . . 7. Baccaurea, 

 Fr. a caj^snle bursting irregularly, 

 pericarp sometimeb flesliy, S A- 



in catkms 8. Aporo&a. 



Fr. a 4-valved 1-seeded capsule, fl. 



in lax panicles .... Scorteciiinia (p. 564). 

 Fr. indebiscent, 1-2-seeded, fl. dioecious m spikes or racemes- 

 Petiole sliort, under 1 in. 

 Ovary 1-celled, raj^be ventral. 9. Antidfsma. 

 Ovary 2-3-eelled, raphe dorsal Sarcococca (p. 565). 

 Peiiole long, over 1 in. . . 10. DArHNiPHYLLUM, 

 (c) Petals 0, c? fl. solitary, in clusters or fascicles. 



a. Style-arms much dilated, fr. an indehiscent drtipe, 1. often 

 serrulate. 

 Stamens 2-4 central, drupe 1- 



seeded . . . .11. Putranjiva. 

 Stamens few or co, inserted round an orbicular disk. 

 Ovary usually 1-celled . 12. Hemicyclia. 

 Ovary 2-4-celled . . .13. Cyclostemon. 

 /5, Styles and style-arms slender. 



Disk in either sex, stamens 3, filaments united into a 

 column. 

 Anthers adnate to the whole 



length of the column . 14. Breynia. 

 Column short, trigonou.s, 

 anthers se&sile on the 

 angles . . . .15. Sauropus. 

 Disk present in $ and often in ^ fl. 

 Filaments free round a large 



2-3-fid pistillode . . 16. Fluggea. 

 Filaments free or united, 

 pistillode or minute . 17. Phyllanthus. 

 7, Styles as a rule connate into a 

 fleshy mass, conical, columnar 

 or spherical, disk 0, anthers 

 3-8 adnate to a central column 18. Glochibion. 



III. Flowers not united in heads (exception; DalecJiaynjoia), each fl. with a perianth, 

 one ovule in each cell. 



A. Petals present, inflorescence terminal. 



Fl. in androgynous compound cymes. 



D. penninerved, stamens 8 . . . . Tritaxis (p. 576). 

 Basal nerves 3-7. ^ 



Sepals 5, imbricate, stamens 8-12 , . 19. Jatropha. 



Calyx-lobes 2-3, valvate, stamens 8-20 . Aleuritks (p. 576). 

 FL in androgynous spikes or racemes, stamens 



10-30, filaments inflexed in bud . . 20. Groton. 



FL in unisexual racemes, stamens 10 . . 21. G-alearia. 



B. Petals present, inflorescence as a rule axillary. 



(«) (? sepals imbricate, petals united, fr. a drupe . 22. Givotia, 

 (&) ^ sepals imbricate, petals free, fr. capsular. 

 ? sepals not enlarged in f r. 

 Stigma broad, sessile, stam. 4-5 . . Platystigma (p. 579). 

 Styles short 2-fid. 

 FL in axillai-y clusters, stam. 10 . . Microdesmis (p. 579). 

 FL in racemes or panicles. 

 Anthers 3, sessile on a cylindric 



column 23. Trigonostemon. 



Stames 8-35 24. Ostodes. 



Styles slender, entire, recurved . , Cojdij&^um (p. 580). 

 ¥ sepals as a rule enlarged in fr. . . 25. Blachia. 



(c) ^ calyx open in bud, 5-toothed, ? sepals en- 



larged in fr., petals in <? and ? . .26. Dimorphocalyx. 



(d) ^ sepals valvate. 



Glabrous, anther-cells distinct, pendulous, 27. Agrostistachys. 

 Stellately tomentose, anther-cells contigu- 

 ous, parallel Sumbavia (p. 582), 



