n* 



SYNGENESIA STJPERFLUA. 



S77 



Scales of the involucrum linear-lanceolate, nearly 



Grows in rich dry soils, principally along the 

 Carolina. Pursh. t ^ t, 



flowers September— October. 



glabrous. Seed a little 

 mountains, Canada to 



16. Retrorsa. 



Mich. 



S. caule erecto, ter- 



Stem erect, terete. 



eti, glabro; foiiis arete glabrous; leaves close! 



sessilibus, Jinearibus, 



\y sessile, linear, taper. 



hrff "!.N"?r"! f'S'r ;"S ^-^ tl'e summit, ^la 



bris, pellucido puncta- 



brous, pellucidly dot 



tis, reflexis, margine ted, reflexed 

 aspens; paniculae ra- along 



mis recurvatis. 



the 



E. 



} rough 

 margin; 



branches of the panicle 



recurved. 



Mich. 2. p. H7. Pursh, 2. p. 539. Nutt. 2. p. 159. 



^ Stem three to four feet high, pubescent towards the summit. Leaves ses» 

 6 le, somevvhat amplexicaule, narrow, about two inches lonrLer^/aLol^ 

 from the base to the summit, slightly mucronate. Pal/^cl prosed of 



Wed thT- r • ^'"^f f ^" i"^^'"^'-"'" I'near-l.nceoIate?sTgtly 

 fringed, the interior much longer than the exterior. Fiorets of the rav 



Grows in dry soils very common. 

 Flowers August — October. 



17. TORTIFOLIA. 



E. 



Stem erect, pubes 

 cent; leaves linear-Ian 

 ceolate, slightly ser 

 rate, expanding, twist 



S. caule erecto, pu- 



escente; foiiis lineari 



'anceoIatis,subserratis, 

 patulis, tortuosis, supra 



tliT"'^!!"^]" u^ • "'^ '"^" I ''^^ ^the'upper^surface 



pani- I and midrib scabrous 



the under nearly gla 

 brous; panicle pyrami- 

 dal, racemes recurveck 



tus subglabris, 

 cula pyramidata. 



ra 



f 



cemis recurvis. 



E. 



▼OL, If. 



b5 



