Phyllanthus 



EUPHOEBIAGEzE 



251 



Tribe IV. Euphorhiese. Involucre enclosing several male 

 flowers, and one female flower, simulating an hermaphro- 

 dite flower ; the male flower consisting of a single stamen, 

 jointed to a pedicel, with or without a minute scale at 

 the joint ; the female flower consisting of an ovary on a 

 pedicel, with or without 3 minute scales. Ovary -S-celled, 

 ovules solitary in each cell. 



Involucre regular, calyx-like 

 Involucre irregular, oblique.. 



29. 

 30. 



Euphorbia. 

 Pedilanthns. 



1. PHYLLANTHUS L. 



Herbs, shrubs, or trees. Leaves entire, alternate (very rarely 

 opposite), in two vertical rows, well developed, or small or scale- 

 like ; petiole either wanting or very short, to one-tenth the length 

 of the blade, but in P. glabellas long, one-third to one-half the 

 length of the blade. Flowers generally moncecious (dia'cious in 



P!ujllanthu>s epiphyUantliwi L. 



A, Flowering branch x 3. 



B, Male flower X 5. 



C, Female flower x 5 ; d, disk. 



D, Apex of staminal column, looking 



down on it X 15. 



E, Longitudinal section of ovary with 



styles X 8 ; d, disk. 

 V, Ovary of P. (jrandifolius L. cut open, 



much enlarged ; 0, ovule ; b, obtu- 

 rator. 



G, Notch of flowering branch witli cluster 

 of capsules, one unripe, X lA. 



II, Capsule with one coccus turnsd down 

 X 4 ; ^j, peralstent axis ; s, seeds. 



I, .Section of coccus enlarged. 



J, Section of seed enlarged. 



(A and E from unpublished drawings by Sohleiden in Herb. Mus. Brit. 

 F after Baillon. J after Engler.) 



