LIST OF HIGHER SEED-PRODUCING PLANTS. 39 



Pofamogeton zosteraefoliiis Sghum. F1. Siill. I, 50 (1801). 



'?P. complunatus Willd, Berl. Mag. 297 (1809). 

 ?P. cuspidatus Schrad. Ex. Sm. Eogl. Fl. 1. 234 (1824). 

 P. zosterophyllus Dum. Fl. Belg. 164 (1827). 

 P. cooipressus. 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.: 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; W. Upham in herb. Morong, Man- 

 kato. 



Potamogetoii foliosus Raf. Med. Rep. (Ill), II, 409 (1811). 

 P. paudflorus PuRsn, Fl Am. (1814) not Lam. 

 P. purshianus Mouong 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. 

 IL 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. 



ZANICHKLLIA Linn. Gen. 700 (1737). 



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

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



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

 but wanting in Australia. 



Zanichellia paliistris Linn. Spec. 969 (1753). 



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



Z. repens Bngh. Fl. Mon. 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., PI. Eur. 17; Herd., Fl. Eur. Russ, J24: Engl., Asch- 

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



