229} 
ORCHIDACEAE 
Tipularia discolor (Pursh) Nutt. Cranefly Orchid 
Ivy Neck. One station in mixed hardwood forest on central Scaffold 
Peninsula. Canopy of Liquidambar styraciflua, Quercus spp., Lirioden- 
dron tulipifera, Carya tomentosa, etc. Higman 1253. 
ULMACEAE 
Ulmus procera Salisb. English Elm 
Java Farm. One station: abandoned field on shore of Fox Creek 
estuary, near pier. Approx. hectare 3610. Associate species: 
scattered Ulmus rubra, Ulmus americana, Acer negundo, Liquidambar 
styraciflua. Dense ground cover of Rhus radicans and Lonicera japonica. 
POLYGONACEAE 
Polygonum cristatum Engelm. & Gray Cornbind 
Java Farm. One station: beside old entrance road at culvert of 
small stream, on east side of north fork of Muddy Creek. Hectare 2497. 
Canopy of Platanus occidentalis. Associate species: Galium aparine, 
Commelina communis, Duchesnea indica. Higman 1207. 
BERBERIDACEAE 
Berberis thunbergii DC. Japanese Barberry 
Java Farm. One station: bank of north fork of Muddy Creek, north 
of old entrance road. Canopy of Platanus occidentalis. Higman 1250. 
CRUCIFERAE 
Capsella bursa-pastoris (L.) Medic. Shepherd's Purse 
Java Farm. One station: recently cleared area at headquarters, 
near concrete silo. Higman 1256. 
