k coat of yellow powder, to afford it f 



position the means ot an access necessary to 

 unprovided stigmas of the surrounding ray 



the otherwise 



and 



prop 



a task to 



By 



same are seen to retreat gradually within the 

 f the now empty anthers. When recently emerged 



vely 



pollen, they bend 



b 



the direction whence the impulse came ; and in so doing 



necessarily part with a portio 

 them. And as the honeyed liquid 



f 



pollen that covers 



to the 



dep 



the ray that surrounds the 



disk, the impulse will be the more certainly given by 



mean, probably the only one, from the sid 



it is requisite that the pollen should be 



by the extension and contraction of which the stigma is 



The st) 



made to advance and 



of a sub 



stance resembling elastic gum (Caoutchouc), and may be 

 repeatedly drawn out to a considerable extent like that, 

 contracting to its former dimensions when left to itself 

 With the same elastic force. 



The outer series of the chaffy seed-crown, shown in the 

 dissection, seems not to have been elsewhere noticed; at 

 least not in any work known to us. 



The flower of both this and aureola have a slightly bit- 

 ter smell. 



Native of the Cape of Good Hope. Cultivated here be- 

 fore 1710. 



The drawing was made at Mr. Hoik's nursery, the King's 

 Road, Chelsea. 



a A vertical section, showing the bristly alveolated receptacle, deprived 

 of its florets, b A fertile floret of the ray, with the germen crowned by a 

 double paleaceous pappus, enveloping the tube of the floret, above which 

 the stigmas are elevated, c A barren floret of thq disk, in which the stigma 

 is shown in the elevation it acquires to aid in the distribution of the pollea 

 among the florets of the ray : magnif. 



