JUNCACEAE 283 
Capsule equalling uc perianth in length or exceeding it. 
Seed 0.7-2.5 mm. long, the body tapering at either end 
into a BIG tail of varying len m 
Plant rigid throughout : stem 2-4 m n diameter: 
sepals and petals spinescent: noite dark red, 
firm, exceeding the perianth by about ¥% their 
lengt 25. J. trigonocarpus. 
Plant with none of its parts unusually stiff or hard : 
stem 2r than 2 mm. in diameter, or the capsule 
d erted from the perianth by more than 
6. J. canadensis. 
Seed 0. 35- O 55 mm. long, the body with a short, rather 
abrupt, papilla-like, usually dark-colored apicu- 
lation at either end. 
Capsule nearly ie the sion of the perianth, the 
two together 3.5-5 mm. lon 21. J. diffusissimus. 
SEDES equalling or STR HE mes about one-third ex- 
E x Et perianth, the two together 2-3.5 
Perianth pe 2.5 mm. lon 
Larger basal leaf-blades with more than 40 
septa: capsule green or straw-colored: 
late usually over 5 dm. tall. 28. J. robustus. 
us basal leaf-blades with less than 40 
ae capsule dark-brown above at ma- 
9, J. Elliottii. 
Perianth A 5-3.5 mm. long, or if less the cap- 
sule straw-colored at "dm. tall. and the 
r 
and mucronate, about as long as the peri- 
nt 0. J. acuminatus. 
Sepals “and petals 2-2.5 m lon capsul l 
linear-lanceolate in outline, pea dnd 
merely apie ec. about one-third exceed- 
. ing the peri 1. J. debilis. 
1. J. effusus L. Scape 5-12 dm. tall, ibl near the t top: leaf-blades id 
lete, or mere acicular rudiments: inflore ce : flowers perfect: matu 
perianth 2.5-3 mm. long: sepals and Saal: lanceolate: capsule obovoid, readily 
haga rounded at the apex.—(RIcE- 
Sorr- H.)—Swamps and low 
grounds, various S U. S. and 
S —The scapes are 
E woven into zat for floor- 
covering. 
J. gymnocarpus Coville. Scape 3-8 
tall: leaf-blades obsolete: flowers 
perfect: sepals ovate-lanceolate, apicu- 
late: petals ovate, pene use, 1.5-2 mm. long, 
Shorter than the sepals: ERN barely 
j i s; known only o 
ent.— 
Coastal Plain in W Fla. and on irn 
lachian plateau in E Pa. | 
J. Roemerianus Seheele. Seape 5—12 dm. tall: edi blades elongate: flow- 
ers mostly dioecious: sepals linear-lanceolate, 2.5—3.5 mm. long: iil linear- 
a o n the sepals: capsule longer than the sepals ua RUSH. 
H.) ackish marshes, Coastal Plain, Fla. N.C 
i growth of this dark-hued plant gives a = ont a to eI flats and 
salt-ma 
4. J. bufonius L. Stem mostly less than 2 dm. tall: leaf-blades flat, or invo- 
lute on small plants: panicle diffuse: sepals elliptic- rds 4—6 mm. long, 
acuminate: petals linear-elliptie, obtuse, shorter sepals: stamens less 
than 3 as long as the perianth: capsule oblong.—Ro nn damp gr B and 
dried pools, various provinces, U. S. and S Can.—(W. I., Mex., C. A., $. A ) 
