OF NORTH AMERICA 
93L Vernonia brevifolia Raf. stem groov- 
ed pubescent below smooth above, leaves short 
obiong, margin subentire revolute, very sca- 
brous above, pubescent and glaucous beneath ; 
flowers su bum be Hate few, segments of perian- 
the lanceolate acuminate squarrose — in Alaba- 
ma near to V. balduini , which has however 
leaves ovate serrate, here they are oblong, 
broader below, or subcuneate, narrow above 
nearly lanceolate, only uncial ; flower in a irre- 
gular umbel of about 10 flowers, naked, stem 
bipedal or less. 
932. Vernqnia crinita Raf. smooth, stem 
grooved, leaves narrow lanceolate elongate with 
remote obtuse teeth ; corymb fofiose, perianthe 
crinite by long lax subulate filiform segments — 
in Louisiana and Arkanzas near streams a tall 
sp. leaves 5 to inches long, only half inch 
broad in the middle, acuminate at both ends 
and sometimes falcate : flowers large perianthe 
hemispherical multifl. segments nearly all equal 
slender and forming a fringed cup as long as 
florets. 
933. Marshall! a spiralis Raf. smooth sub- 
scapose, leaves radical linear lanceolate obtuse 
uninerve, scape elongate spiraly grooved , pu- 
bescent above, perianthe segments linear obtuse 
smooth — in Arkanzas and W est Louisiana found 
by Binder, near to M. laneeolata , but quite dis- 
tinct, leaves narrower 3 inches long, scape twist- 
ed as some Xurides (not so in 1L laneeolata) pe- 
dal, flower large incarnate. 
934. Marshallta tenet folia Raf. stem sim- 
ple virgate grooved, naked and pubescent above, 
leaves scattered all narrow linear elongate acute 
perianthe segments linear acute pubescent — 
found by Baldwin on the sea shores of Florida 
