UMBELLIFERAB. 241 



15. AEGOPODIUM L. 

 1. AEGOPODIUM PODAGRARiA L. Gout-weed. M. p. 680. Waste places. 

 Summer. 

 Philadelphia — Dark Run at Frankford (Cr.), Germantown, common 

 (Me.), Wissahickon (VP.). Delaware— lismadoyvne, Dr. Emily G. H'unt 

 (He.) (Pe.). LaJicaster— Rohrerstown, J. K. Small (He.). Northamp- 

 ton—Bethlehem (P.). 



A'^eit' C'ds^/e— Newark, Covimoii^. Not since found. 



16. SIUM L. Water-parsnip. 



Plant stout, 6-18 dm. high; leaf -segments 7-17. 1. S. cicutae folium. 



Plant weak, 3-9 dm. high; leaf-segments 3-7. 2. S. Carsoni. 



1. SiUM cicutaefolium Gmel. M. p. 681. Swampa. Summer. 



Fhiladelphia—'ThoTip's Lane, Chestnut Hill (Je,). BmcAs— Rock Hill 

 (Fr.), New Hope (Ws.). Chester— (^.). La/icaster— Columbia (Ca.), 

 Turkey Hill (Le.). Northampton— CP.). 



Camden — Kaighn's Point (Mac). Gloucester — Mickleton (He.), 

 Swedesboro (Li.), Bridgeport (W. Tr.). Cape May — Five-mile Beach 

 (Ja.) (Le.). Ocean— Forked River (Le.). 



New Castle — Mount Cuba (Cr.), Wilmington, Dr. Michener. 



2. SiUM Carsoni Durand. M. p. 681. Streams. Summer. 



BwcAs— Rock Hill (Fr.). 



17. PTILIMNIUM Raf. 

 1. Ptilimnium capillaceum (Michx.) Raf. Mock Bishop-weed. M. p. 

 681. Wet soil. Summer. 

 Bucks — TuUytown (P.). Delaware — Shore of Delaware, Dr. Geo. 

 Smith (Fu.). 



New Jersey — Frequent. 

 New Castle — Frequent. 



18. AETHUSA L. 

 1, Aethusa Cynapium L. Fool's Parsley. M. p. 682, Waste places. 

 Summer. 

 Philadelphia— (P.). iiucfrs— Rock Hill (Mac). Montgomery— Shan 

 nonville (Cr.). Delaware— Chester, Mart. (B. C), Tinicum (Fu.), Valley 

 of Darby Creek near Burmont, L. L. Smith (B. Sm.) (W. Tr.). Lehigh 

 —Rockdale (Kr.). Nortlmmpton — Pen Argyl (U. C. S.). 



Camdeji— Haddonfield (C), Kaighn's Point (Ja.). Gloucester— 'i^eaj 

 Woodbury, Jos. B. Livezy (He.). 



New CasiZe— Centerville, Wilmington, and Mount Cuba, Commons. 



19. FOENICULUM Adans. 

 1. FoENicuLUM FOENICULUM (L.) Karst. Fennel. M. p. 682. Escaped 

 from gardens. Summer. 



20. THASPIUM Nutt. Meadow-parsnip. 



Leaves mostly ternate ; segments erenate, thickish. 1. T. trifoliatum. 



Leaves mostly biternate ; segments incised or lobed, rather thin. 



2. T. barbinode. 



