1920] St. John,— Elodea in New England 29 
Philadelphia, 1848, James. DELAWARE: Wilmington, Herb. Canby. 
MARYLAND: in open bog, s. 30° w. of Havre de Grace Light, Aug. 1, 
1902, Shull, no. 147. District or CoLuMBIA: in vicinis Washing- 
ton, June 11, 1882, Ward. Wisconstn: Lake Superior, Oronto, 
July 26, 1868, Gillman; Milwaukee, Lapham. I urnots: Athens, 
1861, E. Hall, no. 1,079. Iowa: in water, Fayette, July 1894, Fink. 
Missovmr: sloughs, Forest Mill, June 16, 1912, Palmer, no. 3,766; 
St. Louis, May 1845, Engelmann. NEBRASKA: Sweetwater Lakes, 
Sept. 6, 1915, Ray Thomson, no. 177. Kansas: ponds, Linn County, 
Aug. 9, 1897, G. L. Clothier; Fort Leavenworth, 1849, Fendler. ORE- 
Gon: 1871, E. Hall, no. 503; Sauvies Islands, Williamette River, 1877, 
Howell. 
3. E. Nuttallii (Planchon) comb. nov. Anacharis  Nuttallii 
Planchon, Pringsheim's Jahrb. wissen. Bot. i. 465 (1858). Udora 
canadensis Nutt. excl. syn. E. canadensis Michx. Gen. N. Am. Pl. ii. 
242 (1818). Philotria Nuttallii (Planchon) Rydb. Bull. Torr. Bot. 
Cl. xxxv. 461 (1908). 
The writer has seen only one flowering specimen that is surely of 
this species, Connecticut: shallow water of Housatonic River, 
Oxford, Aug. 13, 1918, Weatherby, no. 4,348. 
4. E. PraANcHoNmn Caspary, Pringsheim's Jahrb. wissen. Bot. i. 
468 (1858). Anacharis canadensis Planchon, not Michx., Ann. Sci. 
Nat. Bot. 3rd ser. xi. 75 (1849). Philotria angustifolia (Muhl.) 
Britton, not Britton in Rydb. Fl. Col., Col. Agric. Exp. Sta. Bull. 
c. 15 (1906). Philotria Planchonii (Caspary) Rydb., Bull. Torr. 
Bot. Cl. xxxv. 462 (1908). Elodea lowensis (Philotria Iowensis) 
Wylie, Proc. Iowa Acad. Sci. xvii. 82 (1910). Philotria Iowensis 
(Elodea Iowensis) Wylie, Science. n. s. xxxiii. 263 (1911). Elodea 
ioensis Wylie, Iowa State Univ. Nat. Hist. Bull. vi. 48 (1913). 
DisrRiBUTION: Local in ponds and streams from Massachusetts 
to Saskatchewan and Colorado. MassaAcHusETTs: Great Pond, 
North Andover, Sears; Lake Quannapowitt, July 2 and 14, 1916, 
W. S. Ripley, Jr., nos. 16,125 and 16,138. New York: western 
part, Gray. InpIANA: in the Deshee River about 6 miles west of 
Decker, Aug. 18, 1919, Deam, no. 29,224. Micuican: Fort Gratiot, 
July 18, 1870, H. Gillman; Sault Ste. Marie, July 27, 1873, H. Gill- 
man. Wisconsin: Madison, Aug. 14, 1890, Lapham. Iowa: East 
Okoboji Lake, 1911, Wylie. NomgrH Dakota: in stagnant water, 
Minot, Aug. 20, 1905, Lunell. SASKATCHEWAN: Drummond. Wyo- 
MING: Fish Hatchery, Sept. 28, 1898, A. Nelson, no. 5,374; running 
water, Seven Mile Lakes, Albany County, Sept. 7, 1901, Goodding, 
no. 597. Coronapo: Lee's Lake, Aug. 5, 1897, Crandall, no. 2,423. 
Gray HERBARIUM. 
