SYNGENESIA. PP* 1275 



1576. Lapeirousia. Receptacle rough with fmall protuberances : 



down o : florets yifcid. 



1582. Berckheya. Receptacle chaffy: down chaffy : calyx im- 

 bricate. 



1571. Tithonia. Receptacle chaffy : ^u/w chaffy : r<z/y* many- 



leaved, cylindrical. 



I570. Galardia. Receptacle chaffy : dovm chaffy : calyx many- 



leaved, flat. 



1574. Coreopsis. Receptacle chaffy: (town awned: calyx many- 



leaved, inverted at the bafe with fpread- 

 ing rays. 



?573* Cosmea. Receptacle chaffy: down awned: calyx I- 



leaved, inverted with fcales. 



1569. Helianthus. Receptacle chaffy : down awned: calyx im- 

 bricate, with the fcales fpreading every 

 way. 



1575. Osmites. Receptacle chaffy : down obfolete : calyx im- 



bricate, fcarious. 

 J578. ScLEROCARTUS+Receptacle chaffy: down o: ccdyr double. 



1577. Pallasia. Receptacle chaffy : down o : calyx fi m pie, im- 



bricate, 



ORDER IV. POLYGAMIA NECESSARIA. 



florets of the centre hermaphrodite and barren^ thofe of the mar- 

 gin female and fertile. 

 1586. Milleria. Receptacle naked: down o: calyx i-leaved, 



3-parted : florets of the raymoftly folitary. 

 J587. Baltimora. Receptacle naked : down o : calyx cylindrical: 



ray 5-flowered. 



1599. Othonna. Receptacle naked: down fimple: calyx 1- 



leaved. 



1601. Psiadia. Receptacle naked: down, fimple : calyx imbri- 



cate. 



1594. Unxi a. Receptacle naked : down o : calyx 5-leaved. 



1600. Hippia. Receptacle naked: dozvn o: feeds glabrous, 



compreffed and edged with a margin : 

 ray obfolete. 



1598. OsTEOSPZRMUMReceptacIe naked: down, o: feeds globular, 



bony. 



I 595* Calendula. Receptacle naked : down o: feeds membrana- 

 ceous. 



1596. Arctotis. Receptacle fomewhat hairy: down 5-leaved : 



feeds downy. 



\do2.'EK\oc^vHAi i vs.Receptacle villous: down o: florets of the 



ray 5. 



C32 



