Jatropha.'] cxxii. euphorbiace^ (hutchinson). 777 



Petioles furnished with numerous stipitate 



glands resembling the stipules . . .12. J. gossypifoUa 



Petioles not glandular. -> ^r j 



Leaf -segments pinnatisect or pinnately lobed. 

 Leaves glaucous below; segments 11-12, 



pinnatisect but not toothed . . ! 13. j, multijida. 

 Leaves not glaucous below ; segments 5-7, 



lobed and glandular-serrulate . \ 14, J. kilimandscharica. 



Leaf-segments or lobes toothed or rarely 

 entire, never lobed. 

 •Leaves glabrous or nearly so. 



Leaves sessile or very shortly jjetiolate ; 

 if the latter then petiole not more 

 than |- in. long. 

 Leaf-segments entire or subcntire . ]o. J. campestris. 

 Leaf- segments with numerous teeth. 



Leaves sessile ; anthers pubescent . 16. J. tuherosa. 

 Leaves shortly petiolate; anthers 

 (where known) glabrous. 

 Leaves sharply and rather closely 

 serrulate ; stipules about 1^ 



lin. long . . . . 17. J", melanosperma. 

 Leaves somewhat remotely glan- 

 dular-denticulate ; stipules 

 3 Hn. long . . .is. J. somalensis. 



Leaves long-petiolate ; petiole 1 in. long 

 or more (rarely |- in.). 

 fLeaves coai-sely dentate or the lobes 

 2-3-glandular-muci'onate. 

 Leaves lobed to near the base; 

 segments spathulate-oblanceo- 

 late, usually with a broad 

 sinus between. 

 Leaves not crowded; stipules 



short, 1-1 J lin. long . . 19. J. palmattfida. 



Leaves somewhat crowded ; sti- 

 pules ^-| in. long . . 20. J. Brockmanii. 

 Leaves lobed to about the middle ; 

 lobes ovate, oblong or obovate- 

 oblong, with a narrow siims 

 between. 

 Leaf -lobes with numerous teeth, 



more or less doubly dentate 21. J. lohata. 

 Leaf -lobes about 6-toothed, more 

 or less gradually rounded to 

 an acute apex. 

 . Bracts and sepals gland- 

 toothed . . . . 22. tT". Chevalieri. 

 Bracts and sepals entire . 23. J. aceroides. 

 Leaf -lobes glandular-mucronate 

 and often with 2 lateral 

 mucros, truncate and more 



or less emarginate . . 24. J. tropceolifolia. 

 tfLeaves closely serrulate with often 

 more or less glandular teeth. ' 



