14? UNIVERSITY OF MISSOURI STUDIES [284 



417. L. Benzoin (L.) Blume {_B. Benzoin (L.) Coulter]. 

 Benjamin bush. 



Wet woods; very scarce. 



Massachusetts to Michigan; Georgia to Tennessee and 

 Kansas. 



Order 21. RHOEDALES. 



Family 46. PAPAVERACEAE Juss. Poppy family. 



164. SANGUINARIA L. Bloodroot. 



418. S. Canadensis L. 



Rich hillsides and the banks of ravines; common. 

 Nova Scotia to Manitoba; Florida to Arkansas. 



165. DIOENTRA Borkh., Bernh. \BICUCULLA 

 Adans.]. Bleeding heart. 



419. D. Canadensis (Goldie) Walp. \B. Canadensis (Gold- 

 ie) Millsp.]. Squirrel corn. 



Rich hillsides along the south bank of Hinkson creek in 

 two places southwest; the westernmost station appears now 

 to be destroyed. 



Nova Scotia to Minnesota and Nebraska; Virginia to 

 Kentucky and Missouri. 



420. D. Cucullaria (L.) Torn \B. Cucullaria (L.) Millsp.]. 

 Dutchman's breeches. 



Abundant in woods and thickets in rich soil and on hill- 

 sides. 



Nova Scotia to Minnesota and Washington; North 

 Carolina to Missouri and Nebraska. 



166. CORYDALIS Vent. \CAPNOIDES Adans.]. 



421. C. flavula Raf. \Capnoides flavulum (Raf.) Kuntze]. 

 Open rocky places, especially along ravines. 



Ontario to Minnesota; Virginia to Louisiana and Kan- 

 sas. 



