CKNT. XV. 191 



1423, Var. proUjera^ with neulral glumes 

 among the heads, they are lanc, acum. elongate, 

 3 to 4 imbricate. 



1424, Trist. fultum Raf. J. nodosus 0. 

 Canada to Virg. a!l the akin sp. are often blen- 

 ded in this by our botanists, it difTcrs from last 

 by stem less leafy, leaves nodose, heads 1 to 3 

 not echinate nor globose, fulvous not brovvn. 



1425, Trist. album Raf. J. acum. El. poly- 

 ceph. Short ! glaucum, caule folioso compresso 

 fol. longissimis angustis compressis nodosis, ca- 

 pitulis 3-5 pedunc. paucifl. albescens,bract, lanc. 

 aristatis, cal. echinatis. — Kentucky to Carol. 

 slender pedal, leaves 6 to 8 uncial. 



1426, Trist. gladiatum Raf. J. polyceph. 

 Elliot— caule folioso compresso striato, fol. gla- 

 diatis compressis nodulosis, capitulis plurispan- 

 iculatis divaric. sess. et ped. globosis echinatis 

 fuscofulvis — Carol. Florida, robust,leaves broad 

 pedal, panicie of 20 to 40 heads. 



1427, Trist. striatum Raf. (fluitans Mx. non 

 Dec. vertic. et polyceph, auct) caule teres sub- 

 folioso, fol. filif. vix nodosis, umbelia composita 

 3-7fida, capit. sess. et ped, vix glob. pallidis, 

 calic. striatis acum. — Canada to Carol. slender 

 stems and leaves. 



1428, Trist. macrocarpon Raf. J. acum, 

 Mx. O. sed non EI. sylvaticus Mg. non Wild. — 

 Canada to Alabama : the synonymy of all these 

 sp. is in utter confusion, I have set aside the 

 specific names nodosum, polyceph. acum. &c 

 which apply to nearly all. 



1429, Trist. stellatum Raf. caule filif. folioso, 

 fol. tenuis filif. umbella stellata, capit. paucis 

 stellatis paucifl. cal. lanc. acutis — Allegh. Mts. 

 semipedal, leaves short, heads small few 1 to 7, 

 fulvescent. 



