PLANTS OF SOUTHERN NEW JERSEY. 455 



Lakes or ponds at several stations in the northern counties. 

 and reported from Freehold, Monmouth County, by Rev. Samuel 

 Lockwood in Britton's Catalogue. 



Ranunculus pusillus Poir. Low Crowfoot. 



Ranunculus pusillus Poir, in Lam. Encycl. VI. 99. 1804 [Carolina].— Britton 

 36. — Keller and Brown 151. 



Moist ground, rare. Several stations north of our limits, 

 mostly in the Middle district, and several others in West Jersey. 



Middle Disfrkf.— Moor estown (NB), Taunton (C), Camden (P). 



Ranunculus obtusiusculus Raf. Water-plantain Crowfoot. 



Ranunculus obtusiusculus Rafinesque, Med. Rep. II. 5. 359. 1808 [New- 

 Jersey]. — Keller and Brown 151. 

 Ranunculus ainbiguus Britton 36. 



Muddy banks of streams, etc. ; at several stations in the north- 

 ern counties and along the Delaware River from; Trenton to 

 SalenT County. Mainly on the coastal plain. 



Fl. — Late June to late July. Fr. — Early July to mid-August. 



Middle District. — Florence (S), Camden, Washington Park (KB), West- 

 Ville, Berkeley (NB), Repaupo (KB), Mantua Creek (KB), Gloucester 

 (KB), Mickleton, Swedesboro. 



Ranunculus abortivus L. Kidney-leaved Crowfoot. 

 PI. LXIL, Fig. I. 



Ranunculus abortivus Linnaeus, Sp. PI. 551. 1753 [Virginia and Canada]. — 

 Knieskern 5. — Britton s^. 



Common in woods of the Northern and upj)er Middle districts;; 

 less abundant southward. 



The crowfoots are not characteristic plants of the coastal 

 plain and are mainly confined to the northern and western parts 

 of the Middle district. The present species, R. recurvatus and 

 R. Iiispidus are the most g'enerally distributed. 



Fl. — A'lid- April to late May. Fr. — Early May to mid-June. 



Middle District. — Farmingdale, New Egypt, Bordentown, Kinkora, Delaire, 

 Delanco, Pensauken (S), Medford (S), Haddonfield, Camden (Bassett), 

 Washington Park, Westville, Woodbury, Mickleton, Swedesboro, Marlboro 

 (C), Riddleton, Quinton, Alloway. 



