D0 
P. microcarpon Muhl. 
Java Farm. Infrequent in Hog Island salt marsh, near landward 
margin. Associate species: Panicum virgatum, Cyperus filicinus, 
Juncus dichotomus. 
Ivy Neck. Infrequent on west shore of Cheston Creek. Associate 
species: Danthonia spicata, Hieracium venosum, Panicum commutatum, 
Rosa carolina. Higman 303, 446, 847. 
P. commutatum Schult. 
Ivy Neck. One station: west shore of Cheston Creek. Canopy of 
Quercus prinus, Quercus alba. Associate species: Danthonia spicata, 
Hieracium venosum, Panicum microcarpon. Higman 848. 
P. clandestinum L. 
Java Farm. Infrequent along Muddy Creek valley and Fox Creek 
drainage. Associate species: Geum canadense, Carex blanda, Danthonia 
spicata, Muhlenbergia schreberi, Perilla frutescens. Higman 87, 
3089322), 0/185: 832. 
Panicum lanuginosum Ell., 
var. fasciculatum (Torr.) Fern. 
Ivy Neck. One station: abandoned unpaved road through forest on 
Scaffold Peninsula. Canopy of Quercus alba, Quercus velutina, Fagus 
grandifolia, Liriodendron tulipifera. Associate species: Houstonia 
purpurea, Juncus tenuis, Vernonia glauca. Higman 841. 
CYPERACEAE 
1. Flowers unisexual, the staminate and pistillate 
in the same or in different spikes (the latter 
resembling spikelets). 
2. Achene naked, bony, supported on a disc. 
Expected (Scleria). 
2. Achene enclosed in a sac (perigynium) borne in 
the axil of a bract or scale. (Also, culms mostly 
triangular; leaves with sheath, ligule, and midrib; 
spikes in axils of leafy or scalelike bracts, 
often aggregated into heads)....csecescceveceeeveee Carex 
1. Flowers perfect, spikes essentially uniform. 
3. Spikelets 1-2-flowered, with 2-many empty basal 
scales. Expected (Rhynchospora). 
