62. 
2. Beaks of perigynia appressed-ascending; spikes 
oblong-cylindric; achenes obovoid, their sides 
concave; pistillate scales mostly blunt; style 
straight below. Expected (C. typhina) 
2. Beaks of perigynia widely radiating; spikes oval 
or oblong-oval; achenes linear-oval, their sides 
almost flat; pistillate scales acute to short- 
awned; style strongly curved below............c¢++- C. squarrosa 
Carex frankii Kunth Sedge 
Java Farm. One station: beside old entrance road near junction 
with road to springhouse. Hectare 3408. Associate species: Juncus 
tenuis, Agropyron repens, Verbascum blattaria. 
Ivy Neck. Infrequent; at edge of woods near drainage of Cheston 
Creek. Canopy of Liquidambar styraciflua, Platanus occidentalis, Diospyros 
virginiana. Higman 797, 859, 1020. 
C. squarrosa L. Sedge 
Ivy Neck. One station: west bank of upper Cheston Creek estuary. 
Canopy of Quercus velutina, Acer rubrum, Juglans nigra, Liquidambar 
styraciflua. Higman 744, 
Section Bracteosae. 
1. Sheaths loose, mottled with green and white, usually 
septate-nodulose dorsally; leaf-blades 4.5-8 mm. wide. 
Expected (C. aggregata, C. sparganioides). 
1. Sheaths tight, not mottled or inconspicuously so, 
nor septate-nodulose dorsally (except sometimes in 
C. leavenworthii); leaf-blades 1-4.5 mm. wide. 
2. Perigynia distended and spongy at the base, usually 
wide-spreading or reflexed at maturity. 
3. Beaks of perigynia smooth, scarcely exceeding 
the acuminate, deciduous scales. Expected 
(C. retroflexa). 
3. Beaks of perigynia minutely serrulate, much 
exceeding the obtuse or somewhat acute, persis-— 
tent scales. 
4, Stigmas long, slender, seldom twisted, light 
reddish; perigynium tapering into the beak; 
leaf-blades 1-2 mm. Wide. ..sccsssescceereesee C. Yosea 
