

Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 373 



TAXACE^E. 

 Taxus minor (Micnx.) BRITTON, Mem. Torr. Club, 5 : 19. 



1893. 

 Coll. : Wheeler 289, Crooked Creek; 317, Mayville ; 433, 



Jefferson. July. 



Infrequent, generally on dry limestone ridges, occasionally 

 in woods. Not previously reported from the southern part 

 of the state. 



METASPERM^E. 



TYPHACE^E. 



Typha latifolia L. Sp. PI. 971. 1753. 



Coll. : Wheeler 266, Winnebago. June. 



SPARGANIACEJE. 



Sparganium eurycarpum ENGELM. in A. Gray, Man. Ed. 2, 



430. 1856. 

 Coll. : Wheeler 423, Jefferson. July. 



NAIADACEJE. 



Potamogeton natans L. Sp. PL 126. 1753. 



Coll. : Wheeler 460, Jefferson. Aug. 



Potamogeton lonchites TUCKERM. Am. Journ. Sci (II.) 6 : 226. 

 1848. 



Coll. : Wheeler 395, 488, Jefferson. Aug. 

 Potamogeton zosterafolius SCHUM. Enum. PL Saell. 50. i8oi< 



Coll. : Wheeler 462, 490, 497, Jefferson. Aug. 

 Potamogeton pusillus L. Sp. PL 127. 1753. 



Coll. : Wheeler 461, Jefferson. Aug. 

 Naiasflexilis(WiLLD.) ROST. & SCHMIDT, Fl. Sed. 384. 1824. 



Coll. : Lyon 329, Jefferson. Aug. 



Naias guadalupensis (SPRENG.) MORONG, Mem. Torr. Club, 3 : 

 Part 2, 60. 1893. 



Coll. : Lyon 443, Jefferson. Aug. 

 Not previously reported from Minnesota. Sloughs and lakes 



of the Mississippi river. 



ALISMACE^. 



Alisma plantago-aquatica L. Sp. PL 342. 1753. 

 Coll. : Lyon 384, Jefferson. Aug. 



