CRUCIFER/E 



173 



pressed but convex dorsally, nearly flat ventrally, pale yellow ; testa 

 thin, membranous ; micropyle superior, contiguous to, but a little 

 higher up than, the hilum ; chalaza forming a small, slightly 



Ji 



FIG. 175. Ochthodium cegyptiacum. 



1, Fruit on its pedicel, x 6, lateral aspect. 



2, Longitudinal section of fruit, x 6 : F, funiculus ; T, testa ; R, radicle ; Ch, 

 chalaza. 



3, Transverse section of fruit, x 6 : C, C, cotyledons ; E, R, radicles ; Ep, epicarp ; 

 En, endocarp. 



4, Seed, x 15 : Ch, chalaza ; M, micropyle. 



thickened deep brown spot, close to the sinus between the cotyledons 

 and the radicle, in which the hilum is placed. 



Endosperm absent. 



Embryo comparatively large and filling the entire seed, doubled 

 upon itself, pale yellow or nearly colourless ; cotyledons oblong- 

 oval, obtuse, plano-convex, obliquely incumbent ; radicle somewhat 

 curved, lying obliquely on the back of the cotyledons, but between 

 the latter and the septum, that is on the ventral aspect, rather 

 longer than the cotyledons. 



Bunias orientalis, L. 



Fruit nut-like, ovoid-tetragonous, laterally compressed, more or 

 less tuberculated or rough at the angles, tipped with the persistent 



