750 cxxii. EUPHURBiACEi*: (jiutchinson). [Croton. 



Leaves closely crenute ; male biuls 

 pubescent; feuiale flowers con- 

 fined to the lower third of the 

 inflorescence . . . . 32. C. pyrifolius. 



Leaves more or less narrowed to an 

 obtuse base; petioles \ in. long 

 or less ; styles free to the base 

 or nearly so. 

 Female flowers several on each 

 inflorescence ; basal leaf- 

 glands mostly stalked. 

 Leaves about 2 in. broad ; petiole 

 ^1" in. long; inflorescence 

 6 in. long .... 33. C. nudifolius. 

 Leaves about 1 in. broad or less ; 

 ])etiolo 1— t lin. long; in- 

 florescence about 2^- in. long 34. C. Chevalieri. 

 Female flowers 1-2 on each inflores- 

 cence or absent ; basal leaf- 

 glands sessile . . . 35. C. nigritanus. 

 Stamens 15-20. 



Leaves glabrous below, rarely with a 

 few scattered buirs. 

 Leaves gradually acuminate, closely 

 serrulate; female flowers in the 

 lower half of each inflorescence 36. C. congensis. 

 Leaves shortly and abruptly acumi- 

 nate ; female flowers scattered 

 amongst the males . . 37. C. sylvaticus. 



Leaves puberulous or pubescent below. 

 Filaments pubescent in their lower 



part ..... 38. C. macrostachys. 



Filaments glabrous. 



Sepals of the female flowers sub- 

 foliaceous, much larger than 

 those of the male . . 39. C. Scheffleri. 



Sepals of the female flowers 

 neither foliaceous nor larger 

 than the male. 

 Inflorescence few- flowered, 1- 

 3| in. long. 

 Leaves acute ; female pedi- 

 cels h lin. long, slen- 

 der ; styles hairy on the 

 lower part . . -AO, C. angolensis. 



Leaves obtuse; female pedi- 

 cels nearly 2 lin. long, 

 stout ; styles hairy to 



the apex . . . 41. C schimperianus. 



Inflorescence many-flowered, 



4^-5 in. long . . 42. C. oxypetalus. 



1. C. lobatus, Linn. Sp. PI. ed. i. 1005. An erect annual, 2-3 ft. 

 high ; stem woody towards the base, glabrescent ; branches more or 

 less sulcate and pubescent ; young branchlets stellate-pubescent. Leaves 



