APPENDIX 165 



l.ohclia. Great. L()l)elia siphilitica. IMcGregor; Grin- 

 nell. 



Lobelia, Pale Spiked. L. spicata. Observed in Minne- 

 sota. 



Loosestrife, Fringed. Steironenia eiliatnm. Charles 

 City. 



Loosestrife, Wing-angled. Lythrnm alatuni. Grinnell. 



Lousewort, Swamp. Pedicularis lanceolata. Charles 

 City ; Grinnell. 



I\Iallow, Romid-leaved. IMalva rotundifolia. 



Marigold, Fetid. Dyssodia papposa. Across River from 

 Muscatine. 



Mayweed. Anthemis cotula. 



Monkey-flower. Mimulus ringens. Charles City. 



Morning-glory, Ivy-leaved. Ipomoea hederacea. Wat- 

 erloo. 



Morning-glory, Purple. I. purpurea. 



IMotherwort. Leonurus cardiaea. 



Mullein, Great. Verbascum thapsus. 



Nightshade, Black. Solanum nigrum. 



Nightshade, Smaller Enchanter's. Circaea alpina. ]\[c- 

 Gregor. 



Partridge Pea. Cassia chamaecrista. 



Pennyroyal, American. Hedeoma pulegioides. 



Persicaria, Pale. Polygonum lapathifolium. Clear Lake. 



Persicaria, Swamp. P. muhlenbergii. Clear Lake. 



Rattlesnake-root. Prenanthes alba. Charles City: ^Ic- 

 Gregor. 



Skullcap, Mad-dog. Scutellaria lateriflora. Charles City. 



Sanicle, White. Eupatorium urticaefolium. Charles 

 City; Dubuque; Des Moines. Also at Fort Snelling, 



