588 MINNESOTA BOTANICAL STUDIES. 
Myriophyllum spicatum L. Sp. Pl. 992. 1753. 
Coll.: MacMillan & Skinner 393, Holmes. 
Myriophyllum verticillatum L. Sp. Pl. 992. 1753. 
Coll: : Ballard’ 2653, St. Vincent. 
ARALIACE. 
Aralia nudicaulis L. Sp. Pl. 274. 1753. 
Coll.: MacMillan & Skinner 211, Crookston. 
UMBELLIFERZ. 
Heracleum lanatum Micux. Fl. Bor. Am. 1: 166. 1803. 
Coll.: MacMillan & Skinner 202, Crookston. 
Pastinaca sativa L. Sp. Pl. 262. 1753. 
Coll.: Ballard 2662, St. Vincent. 
Washingtonia longistylis (Torr.) Brirron, Ill. Fl. 2: 530. 1897. 
Coll.: MacMillan & Skinner 238, Gentilly. 
Sium cicutefolium GmMeEL. Syst. 2: 482. 1791. 
Coll.: Ballard 2593, Humboldt. 
Zizia aurea (L.) Kocu, Nov. Act. Caes. Leop. Acad. 12: 129. 
1824. 
Coll. MacMillan & Skinner 164, Maple lake; 206, 327, 
Crookston. 
Zizia cordata (WaALT.) Kocu in DC. Prodr. 4: 100. 1830. 
Coll.: MacMillan & Skinner 253, Red Lake Falls. 
Cicuta bulbifera L. Sp. Pl. 255. 1753. 
Coll.: MacMillan & Skinner 183, Maple lake. 
Deringa canadensis (L.) Kunrze, Rev. Gen. Pl. 1: 266. 1891. 
Coll.: MacMillan & Skinner 208, 325, 326, Crookston. 
CORNACE. 
Cornus stolonifera Micux. Fl. Bor. Am. 1:92. 1803. 
Coll. : MacMillan & Skinner 316, Crookston. 
Cornus candidissima Marsun, Arb. Am. 35. 1785. 
Coll.: Ballard 2752, Hallock; MacMillan & Skinner 242, 
Red Lake Falls. 
ERICACEZ. 
Arctostaphylos uva-ursi (L.) SprRENG. Syst. 2: 287. 1825. 
Coll.: MacMillan & Skinner 144, Maple lake. 
