1 6 BULLETIN OF THE LABORATORIES 



VII. PAPAVERACEAE. 



24. Sanguinaria Dill. 



43. S. Canadensis L. Blood Root. 



Woods, very common. April 20, 1887; April 8, 1889; April 13, 

 1891. 



25. Chelidonium L 



44 C majus L Celandine. 



Fence corners, etc., common. May 23, 1884; May 10, 1887; 

 May 24, 1889; May 13. 1890; August 10, 1891. 



26. Papaver Tourn. 



45. P. somniferum L Coram »n Poppy. 



This species exists for a year or two in waste places, but is hardly 

 worthy of a place in this flora. 



27. Argemone L. 



46. A. Mexicana L. Mexican Poppy. 



Near Newark. Herbarium of Dr. F. O. Jacobs. 



VIII. FUMARIACEAE. 



28. Dicentra Borkh. 



47. I). Cucullaria D C. Dutchman's Breeches. 



Woods, common. April 17, 1887; April 16, 1889; April 18, 

 1890; April 16, 1 89 1. 



48. D. Canadensis D C. Squirrel Corn. 



Woods, growing with the preceeding, but not so abundant. 

 April 16, 1887; April 17, 1889. 



29. Corydalis Vent. 



49. C. flavula I) C. 



Eastern part of county. Herbarium of Dr. F. O. Jacobs. 



IX. CRUCIFERAE. 



* 



30. Dentaria Tourn. 



50. I), diphylla L. 



Gravelly woods, somewhat rare, Arbutus Ridge. April 29, 

 i88(>: April 30, 1890; April 21, 1891. 



