APPEXDIX. 27 



Thalictrum purpurascens L. Purplish Meadow-Rue. Nockamixon, Dr. T. C. Porter; 



near Sellersville. 

 Thalictrum polygamum Muhl. Tall Meadow-Rue. In meadows and thickets. 



Family 6. Berberidaceae T. & G. 



Berberis vulgaris L, Barberry. Bensalem, I. C. Martindale: near Jericho Hill, Dr. 

 E. Xewlin Williams; Doylestown, Prof. A. S. Martin. 



Caulophyllum thalictroides (L.) Michx. Blue Cohosh. Near Bedminsterville; Ed- 

 ison. 



Jeffersonia diphylla (L.) Pers. Twin-leaf. Near New Hope, Miss Margaret VV. Ely. 



Podophyllum pcltatum L. May Applt. Mandrake. In rich woods. 



Family 7. jNIenispermaceae DC. 

 Menispermum Canadense L. Canada Moonseed. In woods. 



Family 8. Lauraccac Liiidl. 



Sassafras Sassafras (L.) Karst. Sassafras. In dry, rich soil. 

 Benzoin Benzoin. (L.) Coulter. Spice Bush. In moist woods. 



Order 12. PAPAVERALES. 

 Family i. Papaveraceae B. Juss. 



Papaver somniferum L. Opium Poppy. Garden Poppy. In waste grounds. 

 Papaver dubium L. Smooth-fruited Poppy. In waste grounds. 

 Sanguinaria Canadensis L. Bloodroot. In rich soil. 

 Chelidonium majus L. Celandine. In rich woods and in waste places. 

 Bicuculla Cucullaria (L.) Millsp. Dutchman's Breeches. In rich woods. 

 Bicuculla Canadensis (Goldie) Millsp. Squirrel Corn. Near Pipersville. 

 Adlumia fungosa (Ait.) Greene. Alleghany Vine. In rocky woods, rare. 

 Capnoides sempervirens (L.) Borck. Pink Corydalis. Rockhill; Ridge Valley; 



Argus. Prof. Charles S. Williamson. 

 Capnoides flavulum (Raf.) Kuntze. Pale Corydalis. On rocks near Carversville; 



Yardley, Prof. A. B. Kauflfman. 

 Fumaria officinalis L. Fumitory. In waste plaqes. 



Family 2. Crucifcrae B. Juss. . 



Lepidium campestre (L.) R. Br. Field Cress. A weed in fields and roadsides. 



Lepidium Virginicum L. Wild Peppergrass. In fields and roadsides. 



Lepidium apetalum Willd. Apetalous Peppergrass. Point Pleasant, E. P. Bicknell; 



I'orka^ie: Sellersville. 

 Thlaspi arvense L. Field Penny-cress. Near Bristol, I. C. Martindale; Rockhill. 

 Sisymbrium officinale (L.) Scop. Hedge Mustard. In waste places, common. 

 Sisymbrium altissimum L. Tall Sisymbrium. Waste grounds, Sellersville. 

 Sinapis alba L. White Mustard. In waste grounds near Point Pleasant, (M. C.) ; 



lower end, I. C. Martindale. 

 Brassica nigra (L.) Koch. Black Mustard. In fields and waste places. 



