196 UNIVERSITY OF MISSOURI STUDIES [33^ 



Family 90. POLEMONIACEAE DC. Polemonium family. 



314. PHLOX L. Phlox. 



751. P. pilosa L. Downy PHLOX. 



Dry woods and thickets; much scarcer, except near the 

 Pinnacles, than the next. 



New Jersey and Ontario to Manitoba; Florida to 

 Texas. 



752. P. divaricata L. Common wild phlox. 

 Rich woods and thickets; common and variable. 

 Pennsylvania and Ontario to Michigan and Minnesota; 



Florida to Alabama. 



315. POLEMONIUM L. Greek valerian. 



753. P. reptans L. 



Common in rich woods and thickets. 



New York to Minnesota; Georgia to Missouri. 



Family 91. HYDROPHYLLACEAE Lindl. Waterleaf 

 family. 



316. HYDROPHYLLUM L. Waterleaf. 



754. H. appendiculatum Michx. 

 Rich banks and deep ravines; common. 



Ontario to Minnesota; North Carolina to Kansas. 



755. H. Virginicum L. 



With the preceding, but less common. 

 Quebec to Alaska ; South Carolina to Kansas and 

 Washington. 



317. ELLISIA L. [MAdiOCALYJ^ Trew]. 



756. E. Nyctelea L. [M. Nyctelea (L.) Kuntze]. 

 Common in waste places, hedges, and shady rocky places. 

 New Jersey to Minnesota; North Carolina to Kansas. 



