LIST OF HIGHER SEED-PRODUCING PLANTS. 389 
Potamogeton zosteraefolius Scuum. Fl. Sill. I, 50 (1801). 
?P. complanatus WILLD, Berl. Mag. 297 (1809). 
?P. cuspidatus SCHRAD. Ex. Sm. Engl. Fl. 1. 234 (1824). 
P. zosterophyllus Dum. Fl. Belg. 164 (1827). 
P. compressus. AUCT. AM., not Linn. 
Wats. and Coult., Gray's Man. 6 ed. 562; Britt., Fl. N. J. 258: Upham, 
Fl. Minn. 137; Mac., F). Can. II. 86; Wats., Fl. Calif. II. 197; Hook., Fl. Gt. 
Brit. 434; Led., Fl. Ross. 1V. 29; Nym., Fl. Eur.; Richt., Pl. Eur. 14; Herd., 
Fl. Eur. Russ. 124, 126; Cov., Fl. Ark. 228: Webb , Appx , Neb. 22. 
Europe; N. Asia to Baikal Mts. 
North America: N. Br., Ont., L. Superior region and 
N. Saskatchewan to 57° N. lat.; Oregon and N. Calif.; N. Eng. 
to N. J.; W. to Minn. Dak., Iowa and Neb. 
Minn. valley: Forest district; ponds and lakes. 
HERB.: Ballard 642 n., Page Lake, Carver Co.; Bal- 
lard 456, Prior’s Lake, Scott Co.; Ballard 598, Prior's Lake, 
Scott Co.; Holzinger 267, Winona Co.; Bailey 545, Long Lake; 
Bailey 403, Burntside Lake; WW”. Upham in herb. Morong, Man- 
kato. 
Potamogeton foliosus Rar. Med. Rep. (III), II, 409 (1811). 
P. pauciflorus Purso, Fl Am. (1814) not Lam. 
P. purshianus Morone in Litt. (1892). 
Wats. and Coult., Gray’s Man. 6ed. 563; Britt., Fl. N. J. 258: Upham, 
Fl]. Minn. 137; Webb., Fl. Neb. 97; Wats., F]. Calif. IT. 197; Mac., Fl. Can. 
II. 86; Chap., Fl. So. St. 446. 
North America: N. Br., Q., Ont. to N. Superior reg- 
ion, Saskatchewan and Hudson Bay; Oregon to central Calif. ; 
N. Eng. to N. J. and Ga.; W. to Iowa, Minn., Neb. and Kan. 
Minn. valley: Forest district; ponds and lakes. 
Hers.: Upham, Mankato, in herb Morong. 
ZANICHELLIA Linn. Gen. 700 (1787). 
Benth. and Hook., Gen. Pl. III. 1016; Durand, Ind. Gen. Phan. 
453; Engler and Prantl, Nat. Pflanz. 2, I, 213 (Ascherson). 
Living species: 9 described; only 1 distinct. Cosmopolitan, 
but wanting in Australia. 
Zanichellia palustris Linn. Spec. 969 (1753). 
Z. geniculata GILIB. Exerc. Phyt. II. 419 (1792). 
Z. repens BNGH. Fl. Mon. Prodr. 278 (1824). 
Z. major BNeH. Reich. Icon. VIII. 24 (1830). 
Z. radicans WALLM. Flora, Lit. Bl. 20 (1841). 
Z. macrostemon GAY, WILLK. and Lee. Prodr. I, 26 (1870). 
Wats. and Coult.. Gray’s Man. 6 ed. 565; Britt.. Fl. N. J. 259; Mac, Fl. 
Can. II. 90; Webb., Fl. Neb. 96; Wats., Fl. Calif. IL. 193; Coult., Fl. Colo. 
362; Upham, Fl. Minn. 136; Chap., Fl. So. St. 445; Hook., Fl. Gt. Brit. 437; 
Nym., Fl. Eur.; Richt., Pl. Eur. 17; Herd., Fl. Eur. Russ, 124: Engl, Asch- 
erson, Nat. Pflanz. II, 1, 213; Wats., King Exp. 337; Led., Fl. Ross, IV. 22. 
