lel) ae Pa * 
RUSH FAMILY. 
14. Juncus Greénei Oakes & Tuckerm. Greene’s Rush. 
Juncus Greenet Oakes & Tuckerm, Am. J. Sci. 45: 37. 1843. 
Stems erect, densely tufted, 8’-244;° high, Basal 
leaves with slender terete channeled blades one-half or 
rarely two-thirds the length of the stem; stem leaves 
none, or a single one below the inflorescence; panicle 
10’’-20’ high, rather compact, somewhat uinbelloid, 
much exceeded by its lowest bract; perianth 114//-114/ 
long, its parts stiff, lanceolate, sharply acute, with 
brownish red stripes and apex, the inner shorter; sta- 
mens 6, half to two-thirds as long as the perianth; an- 
thers about as long as the filaments; style and stigmas 
very short; capsule one-fourth to one-half longer than 
the perianth, ovate-lanceolate in outline, truncate at the 
summit, 3-celled; seed obliquely oblong, }//-4%’’ long, 
slightly reticulated in about 20-24 rows, the areolac 
nearly square. 
New Brunswick to New Jersey, near the coast; Michigan, 
Wisconsin, Minnesota and Ontario. 
387 
(Fig. 932.) 
15. Juncus dichoétomus Ell. Forked Rush. (Fig. 933.) 
Juncus dichotomus Ell. Bot. S. C. & Ga. 1: 406. 1817. 
Closely tufted, 1°-3° high; leaves all basal ex- 
cept those of the inflorescence; sheaths usually red- 
dish, the blades terete, channeled along the upper 
side, about one-half the height of the stem; inflor- 
escence paniculate, subsecund, 14/-33/’ high, usu- 
ally exceeded by its lowest bract; perianth about 
2’ long, its parts subulate-lanceolate, green when 
young, straw-colored when old; stamens 6, about 
one-half as long as the perianth, the anthers shorter 
than the filaments; capsule slightly shorter than 
the perianth, oblong, obtuse, mucronate, I-celled, 
the placentae intruded half way to the center; seed 
oblong, dark brown, obliquely apiculate, less than 
// long, reticulate in about 14 longitudinal rows, 
the smooth areolae about as long as broad. 
In dry soil, Maine to Florida and Texas, near the 
coast. 
16. Juncus setaceus Rostk. Awl-leaved Rush. 
Juncus setaceus Rostk. Monog. June. 13. pl. 7. 7. 2. 1801. 
Densely tufted from stout branching rootstocks. 
Stems terete, spreading and recurved above, 114°-3° 
long; leaves all basal except these of the inflores- 
cence, the uppermost sheath usually bearing a long 
terete blade similar to the stem, but channeled; the 
other sheaths with filiform blades less than 14’ in 
length; involucral leaf appearing like a continua- 
tion of the stem, 4’-1° long; inflorescence appearing 
lateral, 2’ long or less; perianth 1/’-2%’’ long, its 
parts lanceolate, acuminate, rigid, widely divergent in 
fruit; stamens 6; anthers usually longer than the fila- 
ments; capsule globose, shining, mucronate, 1-celled, 
with intruded placentae, barely dehiscent; seed sub- 
globose, 4’/-'%’’ long, reticulate in about 12 longi- 
tudinal rows, the areolae large. 
In marshes, Delaware to Florida and Texas, near the 
coast, extending north in the Mississippi Valley to Mis- 
souri. 
(Fig. 934.) 
