568 



DICOTYLEDONES. 



The STYLE divides at the apex into two branches (Figs. 609, 610) r 

 both of which generally bear on the inner surface two lines of 



Fm. 608. Cirsium arvense : A the upper 

 portion of a flower, the pollen (e) is being 

 ejected ; B part of the upper portion of the 

 style with stylar-brush(b, c) and the stigmatic 

 papilla? (d). 



FIG. 609. Le&ntodon autumnale : A 

 ligulate flower; B extremity of the- 

 style with stylar-brush (a), stigma (b) 

 and pollen-grains (c). C Centaurea- 

 cyanus. 



stigmatic papillae (Fig. 610 B, C) and being in shape, etc., very 

 varied, are therefore employed as systematic characters. The most 

 important types are : A. The style is uniformly cylindrical ; its branches are 

 semi-cylindrical, long, and with long hairs, and finally bend backwards; the 

 stylar branches bear slightly projecting stigmatic papillae on the inner side. 



FIG. 610. Achillea millefolium. 



This form is characteristic of the Cichoncte (Fig. 609 A B). B. The style i& 

 uniformly cylindrical ; the branches are long, cylindrical or club-like, short. 



