dike 
Cyperus filicinus Vahl. 
Java Farm. Infrequent. One station in Hog Island salt marsh 
on inland side. Hectare 3572. Associate species: Panicum virgatun, 
Juncus dichotomus, Osmunda cinnamomea, Distichlis spicata. 
Also one station on Fox Point Road; associate species: Festuca 
myuros, Plantago aristata, Lepidium virginicum, Juncus tenuis, Digitaria 
ischaemum, Cyperus ovularis. Higman 438, 804. 
C. ovularis (Michx.) Torr. 
Java Farm. Infrequent along Fox Point Road. Associate species 
same as for C. filicinus. 
Ivy Neck. One station: marshy north end of grassy abandoned 
field on Scaffold Peninsula. Hectare 4762. Associate species: Juncus 
effusus, Juncus dichotomus, Phleum pratense, Trifolium pratense, 
Agrostis alba, Carex frankii. Higman 17, 490, 1099. 
C. strigosus L. 
Java Farm and Ivy Neck. Moderately abundant in a variety of 
habitats; seems to prefer unshaded sites whether dry, moist, or 
slightly saline. Collected at old entrance gate of Java Farm, Spartina 
patens community of Fox Creek salt marsh, old field south of Fox Point 
Road (associate species: Lespedeza cuneata), upstream limit of salt 
marsh on Muddy Creek, and border of cornfield on Cheston Peninsula. 
Hieman, 97, 124), 548256 21006 210322 
Eleocharis 
1. Spikelet not thicker than the culm; scales persistent. 
(Also, culm quadrangular, not septate). Expected 
(E. quadrangulata). 
1. Spikelet much thicker than the culm; scales 
deciduous. 
2. Achenes lenticular or biconvex, styles 2-cleft. 
3. Uppermost sheaths white, scarious and loose 
at the mouth; dwarfed annual usually less than 
10 cm. tall. Expected (E. olivacea). 
3. Uppermost sheaths greenish or reddish, opaque, 
tight-fitting at the mouth; plant 10-130 cm. 
tall. (Also, achenes whitish to tawny or 
brown at maturity). 
