Wheeler: flora of southeastern Minnesota. 373 



TAXACE.E. 

 Taxus minor (Michx.) Brittox, 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. 



METASPERMiE. 



TYPHACEiE. 

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



Coll. : Wheeler 266, Winnebago. June. 



SPARGANIACE^. 



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

 430. 1856. 

 Coll. : Wheeler 423, Jefferson. July. 



NAIADACEiE. 

 Potamogeton natans L. Sp. PI. 126. 1753. 



Coll. : Wheeler 460, Jefferson. Aug. 

 Potamogeton lonchites TucKERM. Am. Journ. Sci (II. j 6: 226. 

 1848. 

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

 Potamogeton zosteraefolius Schum. Enum. PL Saell. 50. 1801. 



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 (Sprexg.) Moroxg, 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. 



ALISMACEiE. 

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

 Coll. : Lyon 384, Jefferson. Aug. 



