BANVNCULACMAE. 151 



Beak stout, swordrshaped; roots slender; leaflets cuneate 

 at base. 14. it. aeptentrionalis. 



Beak of achene slender, subulate; roots thickened. 

 1 Leaf-segments bffoad,Hoblong or obovate. 



15. iS. hispidus. 

 Leaf -segments narrow, linear-oblong. 



16. B. fasciculaHs. 

 2. Achenes with a few scattered papillae near the margins. ■•'■; 



17. B. parvulus. 

 3. . Achenes muricate or spiny, . 18.. R. aryensis. 



1. Ranunculus PuRSHtl Richard's. M. p. 424. Moist soil. SummeT. 



Dauphin— (P^f. ' 



2. Ranunculus delphinifolius Torr. Yellow Water Crowfoot. M. p. 425. 



Ponds. Summer. 

 M onmouth— Freehold (C). , i 

 New Castle— Near Ogletown, Tatnall; Townsend, Canby. 



3. Ranunculus pusIllus Poir. M. p. 429; Wet 'places. Spring and 



summer. • 



Bucks— Near Quakertown (Fr.). Chester— (P.). 



Burlington — Taunton, Mooiestowh '(C). ! Carhden — Camden ■ (C). 

 Mercer — Princeton, Trenton (C). Middlesex— Woodbridge, near Mon- 

 mouth Junction (C). 



New ■ Castle — Below Collins ' Beach and Long Bridge, , Canby ; Pgle- 

 town, Tatnall and, Commons. ( 



4. Ranunculus, reptans L. M. p. 425. Gravelly and sandy banks. Sum- 



mer. 

 Bucks— Soliday's Island, Moyer (Fr.). Lancaster— Columbia (Ca.), 

 Susquehanna banks, Little Washington (Le.), York Furnace (Wnv). 

 Northampton— (P.). Dauphin— Harrisburg (Wn.). 



5. Ranunculus obtusiusculus Raf . M. p. 425. Marshes. Summer. 



Bucks — Rock Hill (Fr.). Delaware .— Tinicum,, Dr. Geo. Smith (B. 

 Sm.). Chester— (P.). , Lancaster— Rejnholdsville (Ca.). Berks— Ham- 

 burg (Ke.). tehigh— Lowhill, Jordan Creek (Kr.). Dauphin— (P.). 



Camden— Camden, Mart. (B. C), Gloucester (Te.). Gloucester— Near 

 Mickleton (He.), Swedesborq (Li.), Washington Park (Mac), Repaupo 

 (Sa.), Westville, Mantua Creek (Wn!)'. Mercer — Trenton (Wn.). 

 Middlesex— Woodbridge (C,). 



, , t New .Cast le — Lea's Run, Edgemopr Station, Stanton, Tatnall; New- 

 port, Old Red Clay Creek, Commons. 



6. Ranunculus' abortivus t. M. p. 426. Woods and moist ground. 



Spring. ( 



7. Ranunculus micranthus Nutt. M. p. 426. Rich "woods. Spring. 



Bucks— Sellersville (Ja.) (Fr.). Lancaster— (P.). 

 Hunterdon— Stockton (C). 



8. Ranunculus sceleratus L. Ditch Crowfoot. M. p. 427. Wet ditches. 



Spring and summer. 

 . i • . > > • > ' ' i ... 



9. Ranunculus recurvatus Poir. M., p. 427, Woods. Spring. 



10. Ranunculus acris L. Tall Buttercup. M. p. 427. Fields and waste 



i places. Summer. 



