120 CICHOIIACE/E. [Cl. 10. 



the centre areflosculous, those of the margin ligu- 

 late." 



Exceptions to the above characters, of this most 

 natural and very extensive Class, occur in the two last 

 sections of the 55th Order, hereafter to be explained ; 

 as also in Tussilago, several of whose species are in- 

 completely dioecious, and have disunited Anthers ; 

 in Edipta, the Flowers, or Florets, of whose disk 

 ace 4-cleft and tetrandrous ; in Siegesbeckiajfioscu/osa, 

 where they are 3-cleft and triandrous ; and in Seri- 

 phium, as also in StceheUna uniflosculosa, Prodr. Fl. 

 Grasc. v. 2. 162, which have only 1 Floret in each 

 Calyip The occasionally undivided or club-shaped 

 Stigma is always. I believe, inefficient. 



Ord. 53. CICHORACE.E, fig. 57-60. " Florets all 

 ligulate and perfect, fig. 59- Common Calyx various. 

 Each Floret, entire or toothed at the apex, has a twin 

 Stigma. Seed either naked, or feathery, fig. 60. Recep- 

 tacle either naked, fi. 58, or covered with hairs or 



' O ' 



scales. Plants milky, herbaceous, often caulescent. 

 Leaves alternate. Flowers usuallyyellow." Schkuhrhas 

 remarked that their Pollen is angular ; in the tubular 

 Florets it is spherical or oval. <Rr. Tr. of Linn. Soc. 

 v. 12. 88. 



This Order is equivalent to the first Section of the 

 Syngenesia Polygamia-teqnalis of Linnasus, of which 

 Sonchus, Hierecium, Pier is, fig. 57-60, Leontodon, 

 Tragopogon, and Cichorium arc examples, nor can any 

 thing be more natural. 



