120 
IOWA ACADEMY OF SCIENCES 
Fitzpatrick, T. J. and M. F. L. Proceedings of the Iowa Academy of Sciences, 
1897, Vol. 5, p. IGC), 1898 ; Vol. 6, 1898, p. 199, 1899. 
Barnes, W. D. ; Reppert, Fred ; and Miller, A, A. Proceedings of the Daven- 
port Academy of Science, Vol. 8, p. 268, 1900. 
Cratty, R. 1. Proceedings of the Iowa Academy of Sciences, 1903, Vol. 11, 
p. 215, 1904 ; The Iowa Naturalist, Vol. 1, No. 4, p. 73, October, 1905. 
Peck, Morton E. Proceedings of the Iowa Academy of Sciences, 1904, Vol. 
12, p. 203, 1905. 
8. JuNCUs CANADENSIS J. Gay; Laharpe, Monogr. June. 134. 1825. 
Juncus canadensis longicaudatiis Engelni. Trans. Acad. Science St. Louis, 2 : 474. 
1868. 
Rootstock branched; stems tufted, 1 — 4 feet high, stout, basal leaves 
decaying early; stem leaves with loose auriculate sheaths which are 
2 — 4 inches long, blade stout, erect, 4 — 10 inches long, marked with 
septae; panicle 3 — 10 inches high, branches moderately spreading; heads 
5 — 40-flowered, hemispheric, subspheric, or top-shaped; perianth 1 — 2 
lines long, the parts narrowly lanceolate, acute, the inner longer than 
the outer; stamens 3, included; filaments long; anthers short; capsule 
lanceolate in outline, acute, mucronate, 3-sided, 1-celled, reddish-brown, 
exceeding the perianth; seed less than a line long, tailed at either end, 
body shining, about 40-striate. 
This species ranges from New Brunswick to Minnesota, south to 
Georgia, Alabama, Louisiana and Arkansas. Type locality: “Hab. in 
Canada.” 
Barnes, Reppert and Miller reported this species as infrequent in 
Muscatine county, and Peck reports it as common in moist open ground 
in Hardin countj^ 
Arthur, J. C. Contributions to the Flora of Iowa, p. 33, 1876. 
Barnes, W. U. ; Reppert, Fred ; and Miller, A. A. Proceedings of the Daven- 
port Academy of Sciences, Vol. 8, p. 263, 1900. 
Peck, Morton E. Proceedings of the Iowa Academy of Sciences, 1904, Vol. 
12, p. 203, 1905. 
Cratty, R. I. The Iowa Naturalist, Vol. 1, No. 4, p. 74, October, 1905. 
9. Juncus acuminatus Michx. FI. Bor. Am. 1: 192. 1803. 
Rootstock very short; stems 10 — 40 inches high, tufted, erect, 1 — 3 
leaved; blades of the lower leaves 4 — 8 inches long, one line or less in 
thickness; inflorescence 2 — 6 inches high, one to many heads, branches 
spreading; heads hemispheric or subspheric, 3 — 20-flowered; perianth 
1 — 2 lines long, parts lanceolate-subulate, subequal; stamens 3, one-half 
as long as the perianth; anthers shorter than the filaments; capsule 
ovate-lanceolate, broadly acute, mucronate, 1-celled, equaling the peri- 
anth; seed oblong, about one-fourth line in length, tipped at both ends, 
reticulate in 16 — 20 rows. 
A species ranging from Maine to Minnesota, south to Georgia and 
Mexico. The type locality is; “Hab. in Carolina inferiore.” 
In low'a this species is known only from Muscatine county, where it 
was reported as infrequent by Barnes, Reppert and Miller. 
Arthur, J. C. Contributions to the Flora of Iowa, p. 33, 1876. 
Barnes, W. D. ; Reppert, Fred ; and Miller, A. A. Proceedings of the Daven- 
port Academy of Sciences, Vol. 8, p. 262, 1900. 
Cratty, R. I. The Iowa Naturalist, Vol. 1, No. 4, p. 74, October, 1905. 
