SUB-CLASS II. DICOTYLKDONES. 199 



Order 4. Polemoniales. 

 Family 1. Convolvulactir. 



Convolvulus sepium L. Hedge Bindweed. Common in fields 

 and waste places. Decorah (Goddard), Calmar. 



Convolvulus arvensis L. Small Bindweed. In fields and 

 waste places. Introduced. Calmar. 



Family .->. Cuscutaceae. 



Cuscuta cephalanthi Engelm. Dodder. On coarse herbs, etc. 

 Common. Decorah. 



Cuscuta gronovii Willd. (C. gronovii var. latifolia Engelm.) 

 The variety latifolia was reported from Hesper by Arthur. 



Cuscuta paradoxa Kaf. (C. glomerata Chois.) Glomerate 

 Dodder. Reported by Fitzpatrick. 



family j, Polemoniaceoe . 



Phlox pilosa L. Prairie Phlox. Common on prairies, and 

 open ridges. Decorah, Ft. Atkinson. 



Phlox divaricata L. Wild Blue Phlox. Common in alluvial 

 woods. Decorah (Savage). 



Polemonium reptans L. Jacob's Ladder. Common, in woods. 

 Decorah, Hesper. 



Family 4. Hydrophyllacea. 



Hydrophyllum virginicum L. Virginia Water-leaf. Com- 

 mon, in rich woods. Decorah (Savage). 



Ht/drophyllum appendicidatum Michx. Appendaged Water- 

 leaf. In rich woods. (Fitzpatrick.) 



Macrocalyx nyctelea (L.) Kuntze. (Ellisia nyctelea L.) 

 Nyctelea. Common in moist, shaded places. Becoming a weed 

 Decorah (Savage), etc. 



FaviityS. Bordginaceacs. 



Lappula lappula (L.) Karst. (Echinospermum lappula 

 Lehm.) Burseed. Introduced. In waste places. Decorah. 



Lappula texana (Scheele) Britt. (Echinospermum redowskii 

 var. occidentale Wats.) On dry ridges and slopes. Common. 

 Decorah (Arthur), Highlandville. 



Lappula virginiana (L.) Greene. (Echinospermum virgin- 

 icum Lehm.) Beggar's Lice. Along borders, in open woods, 

 etc. (Fitzpatrick.) 



