Wheeler: FLORA OF SOUTHEASTERN MINNESOTA. 401 



Previously collected only in Winona and Wabasha counties. 

 Rare in moist woods. 



OLEACE.E. 



Fraxinus lanceolata BORCK. Handb. Forst. Bot. i : 826. 1800. 



Coll.: Lyon 300, Jefferson. Aug. 

 Fraxinus nigra MARSH. Arb. Am. 51. 1785. 



Coll. : Lyon 173, Crooked Creek. June. (Plate XXIII., 

 B.) 



GENTIANACE.E. 



Gentiana crinita FROEL. Gen. 112. 1796. 



Coll. : Lyon 454, 488, Jefferson. Aug. 

 Gentiana quinquefolia L. Sp. PI. 230. 1753. 

 Coll. : Lyon 455, 487, Jefferson. Aug. 

 Gentiana flavida A. GRAY, Journ. Sci. (II.) i: 180. 1846. 

 Coll.: Wheeler 516, Winnebago ; 596, Crooked Creek. 

 Aug. 



APOCYNACE.E. 



Apocynum androsaemifolium L. Sp. PL 213. 1753. 



Coll. : Lyon 188, Crooked Creek. July. 

 Apocynum cannabinum L. Sp. PI. 213. 1753. 



Coll. : Lyon 471, Jefferson. Aug. 

 Apocynum cannabinum glaberrimum DC. Prodr. 8 : 439. 1844. 



Coll. : Lyon 357, Jefferson. Aug. 



ASCLEPIADACE^. 



Asclepias tuberosa L. Sp. PI. 217. 1753. 



Coll.: Wheeler 287, 369, Crooked Creek; Lyon 356, 



Jefferson. July, Aug. 

 Asclepias incarnata L. Sp. PI. 215. 1753. 



Coll. : Lyon 177, Winnebago ; 365, Jefferson. June, Aug. 

 Asclepias obtusifolia MICHX. Fl. Bor. Am. i: 115. 1803. 



Coll. : Wheeler 569, Jefferson. Aug. 

 Previously reported only by Lapham. Infrequent on dry 



hillsides. 

 Asclepias exaltata (L.) MUHL. Cat. 28. 1813. 



Coll. : Lyon 178, Winnebago. July. 

 Asclepias syriaca L. Sp. PI. 214. 1753- 



Coll. : Lyon 176, Winnebago. July. 



