37 



Under the Vienna Code, a prior ▼arietal name is disre- 

 garded in determining the correct species-name; hence 

 douglassii , as the first specific name, must stand. 

 Common name: 



Purple cress. 

 Distribution and hahltat: 



Native. Southern Ont., etc., to Md. and Ky. 



c 

 (G. M.)j also north to ai^jtic Am. (B. M.). "Cold, springy- 

 places" (B. M.)} "rich, low woods" (G. M.). 



PI. of Mon. Co.; "Low grounds along rivulets, wet 

 places; common.* PI. Buf. Vic.j one specimen, considered 

 more prohably C. rotiflf^idif olia . C. F.: "In wet and springy 

 places; common". Loc. Herh.t Spring Marsh, Ithaca (and 

 Mdge Road). 



Found fairly abundant in a small area in Beechwoods 

 (Six Mile Cr.) - south of the bntton««Q«}iL trees, not far 

 from the low cliffs on the east. Also one specimen 

 (found by Prof. Rowlee) in woods, Taughannock ravine. Vtt 

 found elsewhere. 

 Diagnosis: 



See C. bulbosa. 



