1, &. palustris (L.) R, & Se Perennial by widely creeping rootstocks, 
the stems columnar, soft, 25-60 em, tall;. leaves all basal, sheathing , 
2-6 om,, subtruncate at the opening; spikes ovoid-cylindrical, obtuse, 
8-12 mm. long; scales thin, mostly: ovate, obtuse, purplish-browm with a 
green midrib and very thin margins; style 2-cleft; bristles 4 or acokebhinhe 
5; achenes yellow or brown, broadly obovoid, flattened, 1e2-1.7 mm, long, . 
the tubercle at the apex of the achene conical, constricted at the base, 
about .5 mm, broad at the base, 
Frequent in boggy ground or in sand bars along streams, Also present 
end intergrading is var, major Sonder, a larger, coarser.plant with achenes 
1.4=<2.1 MMe longe 
Ze EK, mamillata Lindb, f, Stoloniferous perennials, the stems stout but - 
soft, compressed, 40-70 om, tall; leaves all basal, drab or pale brow; 
spikes subeylindric, tapering above, 1-2 cm, long; fertile scales numerous, 
thin, pale-brown to purplish, narrowly ovate, obtuse to subacute, appressed, 
e-4& um, longs rarely 8; achenes yellowish, obovoid, 1.2-1.6 mm. long, the 
eee fe ey. teen Te 
tubercle low, depressed-deltoid, sessile, 
Occasional, in habitets of EB. palustris as at marsh at St, Maries, 
Bpling & Offord 8028. 
Se Ee bells (Piper) Svensor. Apparently annual, caespitose, with fine 
hairlike rootlets, stems Saf) cots tall, hairlike, soft, the sheaths loose, 
about 1 cm, long, often purplish; spikes narrowly ovoid, 2-3 mm, long, mostly 
acute; scales ovate, acute, with srominent midrib and thin purple margins, 
e—-2_,5 mm, longs; bristles 1-53 style 3-cleft; achenes a ha 
ribbed with soverel longitudinal ribs, these connected by very fine 
transverse ricges, about 30-40 in each scries: stvle base elobose, 
© 3 5 » &> 
Forks St, liaries R., Leiberg 1139, 
