402 MINNESOTA BOTANICAL STUDIES. 
Asclepias verticillata L. Sp. Pl. 217. 1753. 
Coll. : Wheeler 286, Crooked Creek ; 378, Jefferson. July. 
Acerates viridiflora (Rar.) Eaton, Man. Ed. 5, 90. 1829. 
Coll.: Lyon 179, Winnebago; 309%, Jefferson. July, 
Aug. 
CONVOLVULACE. 
Convolvulus sepium L. Sp. Pl. 153. 1753. 
Coll.: Wheeler 306, Crooked Creek. July. 
Convolvulus spithameus L. Sp. Pl. 158. 1753. 
Coll.: Wheeler 207, Winnebago; 358, 371, Crooked 
Creek:;'385, Jefferson. June, July. 
CUSCUTACEZ. 
Cuscuta indecora Cuoisy, Mem. Soc. Gen. 9: 278. pl. 3. f. 5. 
1841. 
Coll. Wheeler 436, 557, 647, Jefferson. July, Aug. 
Cuscuta coryli ENceLm. Am. Journ. Sci. 43: 337. f. 7-71. 
1842. 
Coll.: Wheeler 503, Winnebago. Aug. 
Cuscuta gronovii WiLLp.: R.& S. Syst. 6: 205. 1820. 
Coll.: Wheeler 308, 592, Crooked Creek; , 438, aaa. 
Jefferson. July, Aug. 
Cuscuta paradoxa Rar. Ann. Nat. 13. 1820. 
Coll. : Wheeler 437, 648, Jefferson. July, Aug. 
POLEMONIACEZ. 
Phlox pilosa L. Sp. Pl. 152. 1753. 
Coll.: Herb. Wheeler 14, Winnebago. June. 
Phlox divaricata L. Sp. Pl. 152. 1753. 
Coll.: Lyon 5, Winnebago. June. 
Polemonium reptans L. Syst. Ed. 10, No. 1. 1759. 
Coll.: Wheeler 33, Winnebago. June. 
HYDROPHYLLACE. 
Hydrophyllum virginicum L. Sp. Pl. 146. 1753. 
Coll.: Lyon 11, Winnebago. June. 
Hydrophyllum appendiculatum Mricux. Fl. Bor. Am. 1: 134. 
1803. 
Coll.: Wheeler 324, Mayville. July. 
