209. 
Helenieae 
No species collected from this tribe; Helenium spp. expected. 
Vernoneae 
1. Heads not in glomerules, several-flowered; phyllaries 
uniform, imbricated; corolla regularly 5-cleft; 
pappus double; leaves not rosulate.........sceecescseee Vernonia 
1. Heads in glomerules, 2-5 flowered; phyllaries alternately 
flat and folded; corolla slightly irregular; pappus single; 
basaliWeaves ToOSulat Cis wie epeiejepsheseieusie.» s0/(sie/sse' sie) slo ele sicvoisreye) Hephantopus 
Vernonia 
1. Phyllaries long-acuminate or with a filiform appendage. 
2. Pappus purplish; phyllaries ovate below appendage, 
with broad scarious margin....ccecceesecsecescesees Ve noveboracensis 
2. Pappus creamy; phyllaries lanceolate below appendage, 
with slightly scarious margin. ..ssccceeseccccccssee Ve plauca 
1. Phyllaries obtuse or acute. Expected 
(V. altissima). 
Vernonia noveboracensis (L.) Michx. Ironweed 
Java Farm. Infrequent: one station at north margin of freshwater part 
of Fox Creek marsh (hectare 3515); one station in old field south of 
old entrance road and east of road to springhouse (hectare 3418); 
one station near Muddy Creek, at upstream limit of salt marsh vegetation 
(hectare 3413). Higman 84, 129, 484. 
V. glauca (L.) Willd. Tronweed 
Ivy Neck. Infrequent: along abandoned road through central 
Scaffold Peninsula. Hectare 5732. Canopy of Quercus alba, Liriodendron 
tulipifera, Quercus velutina, Carya tomentosa. Associate species: 
Amphicarpa bracteata, Lobelia inflata, Gerardia virginica. Higman 965. 
