FERNALD. — ELEOCHARIS OVATA. 493 
somewhat smaller, with the tubercle about three sevenths its height. — In 
damp sandy soil or exsiccated places, probably throughout the range of 
the species. Marne, sandy intervale, Milo Junction, Sept. 12, 1896 
M. L. Fernald, no. 2838) ; river margin, Oldtown, Sept. 7, 1898 
(M. L. Fernald, no. 2721); sandy shore, Orono, Sept. 7, 1893 (MZ L. 
Fernald) ; damp sandy ground, North Berwick, Sept. 25, 1897 (J. C. 
Parlin & M. L. Fernald) : New Hampsuire, Mascoma River, Lebanon, 
Aug. 19,,1890 (G. G. Kennedy): Vermont, Middlebury, Sept. 21, 
1878 (Hzra Brainerd): Massacuusetts, shore of North Reservoir, 
Winchester, Oct. 6, 1894 (W. P. Rich); Milton, Sept. 25, 1881 (C. W. 
Swan) ; Blue Hills, Sept. 29, 1894 (W. H. Manning); Great Pond, 
South Weymouth, Sept. 19, 1891 (W. P. Rich); without locality 
(Morong): Ruope Istanp, South Kingston, Aug. 3, 1847 (S. 7. 
Olney) : Iturvots, Jackson Co., July 16, 1873 (G. H. French). Various 
specimens, as a sheet in the herbarium of the New England Botanical 
Club from Revere, Mass. (Young), a taller but slender small-headed 
plant from Framingham, Mass. (Z. C. Smith), specimens from Harlan 
County, Kentucky ( Kearney, no. 27), and from Indian Territory (Bush, 
hos. 632, 633), connect this variety directly with typical Z. obtusa. 
Var. gigantea. — Figs. 11, 12. —Culms stout and tall, 5 to 8 dm. 
high : heads ovate-oblong, 9 or 10 mm. long, 5 mm. broad: scales ovate, 
dark brown : achene as large as in the species, the broad obcordate tuber- 
cle not depressed, about five eighths as high as the achene. — #. ovata, 
var. gigantea, Clarke in Britton, Jour. N. Y. Microsc. Soc. v. 103 
(nomen nudum). E. obtusa, Watson, Bot. Calif. ii. 222, in part, not 
Schultes. — Cascade Mts., “ Oregon” (i. e. Washington), 49° N. Lat., 
1859 (Lyall) ; bogs near New Westminster, British Columbia, Aug. 28, _ 
1893 (Macoun, no. 7557). A low more slender and smaller-headed 
Plant collected by Mr. Howell in Multnomah County, Oregon, July, 
1877 (no. 409), and by Professor Macoun at Agassiz, British Columbia, 
Y 20, 1889, has the smaller achene capped by a large tubercle, thus 
®onnecting this variety with the typical form of the species. 
++ ++ Heads lanceolate: scales pale, acute. 
E. lanceolata. — Figs. 27 to 29.— Culms slender, almost capillary, 
frect, 2dm. high: heads 5 to 8 mm. long, 2 mm. broad, acutish: the 
hyaline green-ribbed scales subappressed: achene broadly obovate, with a 
“carcely depressed tubercle one half its height, — Collected in central 
Arkansas, July, 1882 (F. L. Harvey, no. 8). 
