590 REPORT OF NEW JERSEY STATE MUSEUM. 



Very rare, Middle and Pine Barren districts ; possibly in part 

 introduced, but certainly native in Delaware. 



Middle District. — Keyport (C), Mantua (H), probably an escape. 

 Pine Barrens. — Swamp at Ancora, July 28, C. F. Parker (P). 



Aralia hispida Vent. Bristly Sarsaparilla. 



Aralia hispida Ventenot, Hort. Cels. pi. 41. 1800 [Quebec]. — Knieskern 16. — 

 Willis 27. — Britton 119. — Keller and Brown 236. 



Open sandy soil of the northern counties occasional or locally 

 common; very rare southward within our limits, in the upper 

 Coast district, according to Knieskern. Mr. C. S. Williamson 

 assures me that it occurred at Asbury Park, though the locality 

 is now destroyed. 



Coast Strip. — Monmouth and Ocean Counties (C), Asbury Park (KB). 



PANAX L. 



Panax trifolium L. Dwarf Ginseng. 



Panax trifolium Linnseus, Sp. PI. 1059, 1753 [Virginia]. 

 Aralia trifolia Willis 27. — Britton 119. 



Frequent in woods of the northern counties, rare or local 



southward in the Middle district. 



Fl. — Late April to mid-May. Pr. — Mid-May to early June. 



Middle Dwinc^.— Freehold (C), Farmingdale, Pemberton (C), Medford 

 (S), Timber Creek (P), Haddonfield, Mantua, Mickleton (H), Swedesboro, 

 Marlboro (NB). 



Family UMBELLIFER^. Carrots, etc. 

 Key to ike Species. 



a. Leaves simple, undivided or slightly lobed. 



b. Leaves narrow, mostly spiny toothed, flowers in dense heads. 



c. Parallel veined. Bryngium yuccifolium, p. 594 



cc. Reticulate veined. E. aquaticum, p. 594 



bb. Leaves orbicular or ovate, slender petioled, often peltate. 

 c. Leaves nearly orbicular, peltate. 



d. Pedicels slender. Hydrocotyle umbellata, p. 592 



dd. Some of the pedicels very short. 



e. Fruit notched at each end. H. canbyi, p. 592 



ee. Fruit not notched. H. verticillata, p. 593 



cc. Leaves nearly orbicular, cordate or reniform, not peltate. 



H. americana, p. 593 

 aa. Leaves reduced to hollow jointed petioles or phyllodes, 2-8 cm. tall. 



Lilaeopsis lineata, p. 598 

 aaa. Leaves, or some of them, pinnate, ternate, digitate, decompound, or 

 deeply lobed. 



