332 North American Cyjyeiricece. 
1-5. SciRPUS (Trichophorum) lineatus, Michx. 
Culm triangular; umbels terminal and lateral, decompound, 
at length nodding ; involucre 1 — 2-leaved, shorter than the 
umbels ; spikes oblong, pedunculate ; scales ovate, acuminate, 
somewhat patulous at the tip, carinate. 
S. lineatus, Michx..' fl. 1. p. 32; Vald, eniim. 2. p. 73; Pursh,Jl. 1. 
p. 56; Elliott, sJc. 1. p. 87; Torr.Jl.l. p. .51. 
S. pendulus, Muhl.! gram. p. 44. 
S. brizoides, Willd. (fide Muhl.) ; SchuU. mant. 2. p. 84. 
Trichophorum lineatum, Pcrs. syn. 1. p. 69; Beck ! hot. p. 427. 
Isolepis lineata, Ram. Sf Schult. sijst, 2. p. 117. 
Cidm 1 — 2 1 feet high, very leaf}-, distinctly triangular. Leaves 2 — 4 
lines wide, flat, scabrous on the margin ; sheaths open at the throat, 
several of the upper ones bearing umbels. Terminal umhcl somewhat 
paniculate, loose, at first erect, but at length more or less pendulous, 
twice or thrice compound ; lateral umbels much smaller, sometimes 
wanting ; ultimate divisions 3 — 6 lines long. Involucre of one principal 
leaf, which is shorter than the umbel. Spikes 3 — 4 lines in length, 
oblong, or ovate -oblong. Scales loosely imbricated at the tip so as to 
appear sometimes squarrose, ferruginous, with a very distinct and rather 
prominent keel. Bristles very slender, smooth, crisped and entangled, 
projecting a little beyond the scale in the mature spike. Stamens 3. 
Style somewhat unequally 3-cleft, smooth. Nut obovate, acuminate, 
obtusely angular in front, flat on the back, minutely papillose, pale brown 
Avhen ripe. 
Hab. Boggy places. Plainfield, Massachusetts, Dr. Porter!; 
near Poughkeepsie, New York, Mr. Dudgeon ! ; near Fort 
Gratiot, ]\Iichigan Territory, Dr. Fitcher ! ; Banks of the 
Ohio, Dr. Baldwin! ; Kentucky, Dr. Short! ; Pennsylvania, 
Muhlenberg! ; jNew Orleans, Dr. Ingalls! ; South Carolina, 
Elliott; Texas, T. Drummond ! 
Obs. Pursh's specimen^ of Scirpiis lineatus in Lambert's 
Herbarium agrees exactly with the plant here described, and 
yet he states that it is destitute of bristles; in consequence of 
which remark Rremer and Schultes, in their Systema Vegetabi- 
lium, have removed it to the genus Tsolepis. Afterwards, a.=? if 
