Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 373 
TAXACE#., 
Taxus minor (Micux.) Brirron, Mem. Torr. Club, 5: Io. 
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:. 
TYPHACEZ. 
Typha latifolia L. Sp. Pl. 971. 1753. 
Coll.: Wheeler 266, Winnebago. June. 
SPARGANIACE. 
Sparganium eurycarpum Encevm. in A. Gray, Man. Ed. 2, 
430. 1856. 
Coll.: Wheeler 423, Jefferson. July. 
NAIADACEZ. 
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 zosterefolius Scuum. Enum. Pl. Saell. 50. 1801. 
Coll.: Wheeler 462, 490, 497, Jefferson. Aug. 
Potamogeton pusillus L. Sp. Pl. 127. 1753. 
Coll.: Wheeler 461, Jefferson. Aug. 
Naias flexilis (WILLD.) Rost. & ScumivT, Fl. Sed. 384. 1824. 
Coll.: Lyon 329, Jefferson. Aug. 
Naias guadalupensis (SpRENG.) Morone, Mem. Torr. Club, 3: 
Part 260. 1693: 
Coll.: Lyon 443, Jefferson. Aug. 
Not previously reported from Minnesota. Sloughs and lakes 
of the Mississippi river. 
ALISMACEZ. 
Alisma plantago-aquatica L. Sp. Pl. 342. 1753. 
Coll.: Lyon 384, Jefferson. Aug. 
