166 AUTUMN NOTES IN IOWA 



and Devil's Lake. One of the most conspicuous 

 campus flowers at Lawrence throughout October. 



Sneeze weed. Helenium autumnal e. 



Soapwort. Saponaria officinalis. 



Spanish Needles. Bidens frondosa. 



Speedwell. Veronica. 



Spurge, Flowering. Euphorbia corollata. Charles City. 



Spurge, Upright. E. preslii. 



Stonecrop, Ditch. Penthorum sedoides. Clear Lake. 



Sunflower, Pale-leaved Wood. Helianthus strumosus. 



Sunflower, Saw-tooth. H. grosseserratus. 



Sunflower, Stiff. H. scaberrimus. Mason City. 



Sunflower, Stiff-haired. H. hirsutus. 



Sunflower, Showy. H. laetiflorus. 



Sunflowers. For the state, Greene gives 18 numbers. 



SwTet-clover, White. ^Melilotus alba. 



Tickseed-Sunflower, Long-bracted. Bidens involucrata. 

 Fort Des Moines. 



Touch-me-not, Pale. Impatiens pallida. Clear Lake. 



Touch-me-not, Spotted. I. biflora. Charles City. 



Velvet Leaf. Abutilon theophrasti. 



The writer prefers the old name, ' ' Indian Mallow. ' ' 



Vervain, Blue. Verbena hastata. 



Vervain, White. V. urticaefolia. 



Wild Balsam Apple. Echinocystis lobata. 



Willowherd, Northern. Epilobium adenocaulon. Du- 

 buque ; Des Moines. 



Wood-sorrel, Upright Yellow. Oxalis stricta. 



Woundwort. Stachys palustris. Waterloo. 



Yarrow, Common. Achillea millefolium. 



