LIST OF HIGHER SEED-PRODUCING PLANTS. 39 



Potamogeton zosteraefolius SOHUM. PL Sail. I, "50 (1801). 

 ?P. complanatus WILLD, Berl. Mag. 297 (1809). 

 ?P. citspidatus 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., FL Can. II. 86; Wats.. FL Calif. II. 197; Hook., FL Gt. 

 Brit. 434; Led., FL Ross. IV. 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.: Bollard 642 n., Page Lake, Carver Co.; Bol- 

 lard 456, Prior's Lake, Scott Co. ; Bollard 598, Prior's Lake, 

 Scott Co.; Holzinger 267, Winona Co.; Bailey 545, Long Lake; 

 Bailey 403, Burntside Lake; W. Upham in herb. Morong, Man- 

 kato. 



Potamogeton foliosus RAF. Med. Rep. (Ill), II, 409 (1811). 

 P. pauciflorus PURSH, Fl Am. (1814) not Lam. 

 P. purshianus MORONG 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., FL Calif. II. 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. 

 HERB. : Upham, Mankato, in herb Morong. 



ZANICHELLJA LINN. Gen. 700 (1737). 



Benth. and Hook., Gen. PI. III. 1016; Durand, Ind. Gen. Pfian. 

 453; Engler and Prantl, Nat. Pflanz. 2, I, 213 (Ascherson). 



Living species: 9 described; only 1 distinct. Cosmopolitan, 

 but wanting in Australia. 



Zanichellia palnstris LINN. Spec. 969 (1753). 



Z. geniculata GILIB. Exerc. Phyt. II. 419 (1792). 



Z. repens BNGH. FL Men. Prodr. 273 (1824). 



Z. major BNGH. Reich. Icon. VIII. 24 (1*30). 



Z. radicans WALLM. Flora, Lit. Bl. 20 (1841). 



Z. macrostemon GAY, WILLK. and LGE. 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. II. 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, J24; Engl., Asch- 

 erson, Nat. Pflanz. II, 1, 213; Wats., KingExp. 337; Led., Fl. Ross, IV. 22. 



