118 
IOWA ACADEMY OF SCIEisCES 
4. J UNCUS vASEYi Eiigelm. Trans. Acad. Science St. Louis, 2: 448. 
1866. 
Stems tufted, 10 — 30 inches high, less than a line in diameter; basal 
leaves with small auriculate sheaths, the uppermost having a terete 
channeled blade which is one-half to three-fourths as long as the stem; 
stem leaves none; inflorescence 1-2 inches or less in height, few-to-many 
flowered; lowest bract shorter than or exceeding the inflorescence; peri- 
anth 1-2 lines long, the parts subulate-lanceolate, margins hyaline; stam- 
ens 6, shorter than the perianth; anthers slightly shorter than the fila- 
ments; style scarcely any; stigmas short; capsule a little exceeding the 
perianth, narrowly oblong, truncate or obtuse, mucronate, 3-celIed; seed 
linear-oblong, oblique, 20 — 24-ribbed, long-tailed. 
This species is said to range from Maine and Ontario to Michigan, 
Illinois, Iowa, on the Saskatchawan, and south in the Rocky Mountains 
to Colorado. The type locality is: “On the banks of Fox river, near Ring- 
wood, in Northern Illinois.” 
This species is credited to Clinton county by J. C. Arthur. Its pres- 
ence in the Iowa flora is not well known. 
Artliiir, J. C. rroceedings of tlie Davenport Academy of Natural Sciences, 
Vol. 3, p. 170, 1882. 
Britton, N. L. and Brown, A. Illustrated Pior-i, Vnl. 1. p. 3SG, 1-890. 
Britton, N. L. Manual, p. 248, 1901. 
Cratty, B. I. The Iowa Naturalist, Vol. 1, No. 4, p. 73, October, 1905. 
5. J UNCUS MAKGiNATUS Rostkc. Moiiog. Juiic. 38, pi. 2, f. 3. 1801. 
Juncus marginatns var. pauclcaiiitatiis Engelm. Trans. Acad. Science, St. Louis,. 
2 : 455. 1800. 
Rootstocks branching; stems more or less bulbous at the base, erect, 
10 — 30 inches high, compressed, 2 — 4-leaved; leaf-sheaths auriculate; the 
blades a line or less in width, with a well-marked mid-rib and 2 — 4 con- 
spicuous veins; panicle 1 — 4 inches high, made up of 2 — 20 heads which 
are turbinate or subspherical and 5— 10-flowered; perianth 1 — 2 lines 
long, the outer parts ovate, acute, the inner longer, obovate, obtuse, the 
margins hemline; stamens 3, about the length of the perianth; anthers 
ovate, reddish brown, much shorter than the filiform filaments; capsule 
as long as the perianth, obovoid, truncate or retuse, nearly 3-celled; 
seeds oblong, 12 — 16-ribbed, pointed at either end. 
Britton and Brown give the range of this species as from Maine to 
Ontario, south to Florida and Nebraska. The habitat is grassy places. 
Type locality: “Hab. in Pennsylvania.” 
The only Iowa locality known for this species is Muscatine county, 
where it is said to be infrequent. 
Barnes, W. D'. ; Reppert, Fred ; and Miller, A. A. Proceedings of the Daven- 
port Academy of Sciences, Vol. 8, p. 202, 1900. 
Cratty, R. I. The Iowa Naturalist, Vol. 1, No. 4, p. 73, October, 1905. 
6. Juncus nodosus L. Sp. PI. Ed. 2, 466. 1762. 
Rootstock slender, nearly, scaleless; stems solitary, arising from 
tuber-like thickenings, 6 — 30 inches high; leaves both basal and cauline, 
the blades long, erect, marked by transverse septa, the upper extending 
beyond the inflorescence; stem leaves 2 — 4; panicle 1 — 2 inches long, 
