1268. SYNGENESIA. 



1436. Scorzonera. Receptacle naked: down feathery, on a pe- 



dicle. 



1441. Leontodon. Receptacle naked : down fimple, on a pedicle: 



calyx imbricate, with flaccid fcales 



1446. Crepis. Receptacle naked, roughifh : down fimple : 



calyx iimfted with diiferently fhaped de- 

 ciduous fcales. 



1439. Chondrilla. Receptacle naked : down fimple, on a pedicle: 



calyx inveikd with fcales, inclofing many 

 florets. 



1440. Prenanthes. Receptacle naked : down fimple : calyx invert- 



ed with fcales, inclofing about 5 florets. 



1438. LactuCA. Receptacle naked : down fimple, on a pedicle : 



# talyx imbricate, cylindrical, fcarious at the 



margin. 



1445. Hieracium. Receptacle moftly naked, dotted: down fim- 

 ple, fefiile : calyx imbricate, ovate. 



1437. Sonchus. Receptacle naked : down fimple, fertile : calyx 



imbricate, fwellin > at the bafe. 



1457. Zacintha. Receptacle naked : down very fhort, fome- 



what feathery : feeds of the margin in- 

 curved, of the difk ftraight : calyx inverted 

 with membranaceous fcales. 

 1456. Lapsana. Receptacle naked: doivn o 1 feeds rtraight : 



calyx inverted with fcales, the inner-leaves 

 equal and channelled. 



1458. Khagadiolvs. Receptacle naked: down o: feeds incurved 



fpreading : calyx inverted with fcales. 

 1453. Krigia. Receptacle naked : feeds furrounded with a 5- 



awned membrane alternating with as many 

 briftles: calyx many -leaved, fimple. 



1451. Hyoseris. Receptacle naked: down double; the outer 



capillary, inner of chaffy awns : calyx in- 

 verted with fcales. 



1452. Hedypnois. Receptacle naked : doivn of the difk double ; 



the outer of many obfolete briftles, inner 

 of 5 chafFy leaves \ of the margin a den- 

 ticulate membrane: calyx inverted with 

 scales. 



4443, Thrincia. Receptacle cellular: down of the margin a 



many-toothed membrane, of the centre 

 feathery and pedicelled : calyx 8-leaved. 



I448* Topus. Receptacle cellular: down of the margin a 



toothed membrane, of the centre 2 or 4 

 awns : calyx inverted with long fubulate 

 fcales. 



