280 GEOLOGICAL SURVEY OF NEW JERSEY. 
common—B. Heritage; and frequent on rocky hills in the 
middle and northern counties. 
P. scoparium, Lam. (P. pauciflorum, Ell. ?) 
In low grounds. Warren: Above the Water Gap, along the 
river shore—Britton. Hunterdon: Below Carpentersville and 
at Holland Station—Porter ; Rosemont—Best ; and frequent in 
the middle and southern counties. 
P. dichotomum, L. 
In fields and woods. Common throughout the State. 
P, nitidum, Lam. 
In fields and woods.. Common throughout the State: 
Var. viride (Vasey), Britt. 
In woods. Sussex: Hamburg Mt. and High Point; Bergen: 
Pleasant Valley—Britton. 
Var. pauciflorum (Vasey), Britt. 
Morris: Mountain east of Lake Hopatcong—Britton. 
P. pubescens, Lam. 
In dry woods. Frequent in the northern counties. 
Var. barbulatum (Michx.), Britt. 
Hunterdon: Rosemont—Schuh. Morris: Long Hill—Leg- 
gett; Charlotteburg, and Warren: Delaware Water Gap— 
Britton. Bergen: Pleasant Valley—Rudkin. 
P. latifolium, L. 
In woods and moist thickets. Common throughout the State. 
Var. molle, Vasey. 
Hunterdon: Common—Best; Rosemont—Schuh. Sussex: 
Sparta and Pimple Hills—Britton. 
P. commutatum, Schultes. (P. nervoswm, Muhl.) 
Hunterdon: Rosemont—Best, 1888. 
P. clandestinum, L. 
Moist thickets. Frequent throughout the State. 
Var. pedunculatum, Torr. 
Union: Plainfield—Tweedy. 
