214 Monograph of North American RhynchosporeB. 
and axillary, with short setaceous bracts at the base. Spikelets lan- 
ceolate. Glumes ovate, acute, white, becoming brownish with age. 
Bristles 10, retrorsely hispid, nearly li the length of the nut, (equal- 
ling the nut with the tubercle.) Stainens 2, (3, 2, and 1, Muhl.) 
Style bifid. Nut lenticular, ovate, somewhat attenuate at the base, 
when young triquetrous, elevated on a short sti])e upon which the 
bristles are inserted. Tubercle compressed, one-half the length of the 
nut. 
Hab. In sphagnous swamps, common ; Canada to Carolina. 
Flowers, July — September. 
Obs. The North American plant agrees in every respect with 
specimens from the north of Europe. 
25. Rhynchospora capillacea, Torrey. 
R. culmo trigono, gracili ; spiculis 3 — 6, plerunique terminali- 
bus ; nuce Isevi, oblongo-ovata, stipitata, setis retrorsum his- 
pidis dimidio — tuberculo duplo — longiori. 
R. capillacea, Torrey, ! Fl. I. p. 55. Gray, Giam. ^ Cyp. I. 
n. 95. 
Schcenus setaceus, Muhl. ! Gram. p. 6. 
Culrii 6 to 12 inches high, very slender, smooth. Leaves setaceous, 
nearly flat ; radical ones short. Spikelets oblong, mostly terminal, 
with a setaceous bract at the base of each. Glumes chesnut coloured, 
with scarious margins, oblong-ovate, carinate, mucronate. Bristles 6, 
large, retrorsely hispid, about twice the length of the nut. Stamens 3. 
Style bifid. Nut oblong-ovate, somewhat lenticular, attenuate at the 
base, triquetrous when young, raised on a short stipe which bears the 
bristles. Tubercle compressed, acute, about half as long as the nut. 
Hab. In swamps, Pennsylvania, Muhlenberg; Penn-Yan, 
New York, Dr.H.P.Sartwell. On limestone rocks, Water- 
town, New York. Flowers in July. 
