560 MINNESOTA BOTANICAL STUDIES. 



Menyanthes trifoliata L. Sp. PL 145. 1753. 



Bogs. Two Harbors; lake Itasca. June, July. Nos. 450, 

 1042. 



APOCYNACEAE. 



Apocynum androsaeinifolium L. Sp. PL 213. 1753. 



Copses. Thompson; lake Itasca. June, July. Nos. 388, 

 1C87. 



ASCLEPIADACEAE. 



Acerates viridiflora (Raf.) Eaton. Man. ed. 5. 90. 1829. 

 Sandy hills. Cannon Falls. July. No. 374. 



Asclepias incarnata L. Sp. PL 215. 1753. 

 Wet meadows. Minneapolis. September. No. 952. 



Asclepias oralifolia Decsne. DC. Prodr. 8: 567. 1844. 



Sandy soil. Minneapolis; lake Itasca. June, July. Nos. 

 284, 1127. 



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

 Copses. Cannon Falls. July. No. 358. 



Asclepias tuoerosa L. Sp. PL 217. 1753. 



Sandy soil. Minneapolis. June, September (fruit). Nos. 

 306, 991, 1009. 



CONVOLVULACEAE. 



Convolvulus sepium L. Sp. PL 153. 1753. 

 Copses. Thompson. July. No. 389. 



Convolvulus spithamaeus L. Sp. PL 158. 1753. 



Sandy soil. Vermilion; Park Rapids. June, July. Nos. 

 485, 1237. 



Cuscuta gronovii Willd. R. & S. Syst. 6: 205. 1820. 

 On Laportea. Aitkin county. August. No. 841. 



POLEMONIACEAE. 



Phlox divaricata L. Sp. PL 152. 1753. 



Rich low woods. Minneapolis. June. No. 261. 



Phlox pilosa L. Sp. PL 152. 1753. 



Copses and dry prairies. Cannon Falls; Park Rapids. June 

 July. Nos. 350, 1141. 



Polemouium reptaus L. Syst. ed. 10. no. 1. 1759. 

 Copses. Cannon Falls. June. No. 328. 



