SYNCENESIA FRUSTRANEA. 



459 



cleft; of the sterile shorter, undivided. Seed of the ray abortive; of the 

 disk oblong, slightly curved, finely striate, crowned apparently with a triple 

 pappus, the exterior a ten-toothed margin, the intermediate composed often 

 or twelve awns as long as the seed, rigid, serrate, jhe interior of an equal 



number of short hairy awns. 



seeds. 



Bristles of the receptacle longer than the 



An exotic now naturalized; not uncommon in dry sandy pastures along 

 the sea-coast; around Beaufort. 

 Flowers in April. 



SYNGENESIA NECESSARIA. 



C H APT ALIA. Ventenat. 



dum. 

 laris. 



Receptacukim 



nu 



Recejytacle naked. 



Pappus capil- Pappus capillary. Flo- 

 Flosculi radii rets of the ray dissimi 



in duplici serie differ- | lar, in a double series, 



female, fertile; of the 

 disk masculine, two- 



mes, foeminei, fertiles 



disci, masculi, bilabia 

 ti. Involucrum subim 

 bricatum. 



lipped. 



Involucnim 



somewhat imbricate. 



1. Integrifolia. Mich. 



C. 



foliis 



oblongo 



Leaves 



oblong 



Ian 



lanceolatis obovatis- ceolate and obovate. 



que, 

 latis 



9 



tomentosis 



retrorse denticu 

 subtus argenteo- 



? 



scapo nu 



do, unifloro, floribus 

 nutantibus. 



retrorsely denticulate, 

 tomentose and silvery 

 underneath; scape na- 



ked 



y 



1 -flowered 



9 



flow 



ers nodding. 



o 



