DOE 
2. Cauline leaves opposite; pappus finely barbed. 
(Also, flowers yellow). Expected (Arnica). 
2. Cauline leaves alternate; pappus capillary, 
soft. 
3. Ray-flowers absent; corollas white. 
4. Outer and inner flowers hermaphrodite; 
corollas 5-cleft. Expected (Cacalia). 
4, Outer flowers pistillate only; corollas 
with 2- to 4-toothed limb............+++eee6- Erechtites 
3. Ray-flowers usually present (as in species 
collected); corollas yellow or yellow with 
GOGH EUPSs ape «/egencuerencxehepsuchebene a sfickohskslsuciieielsicuehesuenccereielle shee OCHe CTO 
Erechtites 
Erechtites hieracifolia (L.) Raf. Fireweed 
Java Farm. Infrequent: two stations in old fields south of main 
buildings (hectare 2499) and on north side of Fox Creek drainage (hectare 
3505). Also observed in Phalaris arundinacea meadow, north of main buildings 
(hectare 2468). Associate species vary with site. Higman 50, 537. 
Senecio 
Senecio obovatus Muhl. Groundsel, Squaw-weed 
Java Farm. One station: source of small tributary valley of 
Rhode River, on Fox Creek estuary south of pier. Hectare 3508. 
Canopy of Robinia pseudoacacia, Liquidambar styraciflua, and Ulmus 
americana. Dense ground layer of Lonicera japonica. Associate species: 
Verbesina occidentalis. Higman 1151. 
Inuleae 
1. Salt marsh to freshwater aquatic habitat; flowers 
pink to purple; phyllaries slightly scarious. 
(Also, phyllaries ciliate; plant camphor-scented)..... Pluchea 
1. Terrestrial habitat; flowers white or yellowish; 
phyllaries moderately to very scarious. 
