90 GEOLOGICAL SURVEY OF NEW JERSEY. 
P. helvolus, L. (P. diversifolius, Pers.) 
In sandy places. Middlesex: Morgans and South Amboy— 
Britton. Hudson: Shore at Hoboken—Torrey Herb. Mercer: 
Trenton—Apgar; and common in the southern counties along 
the sea-beaches, and in sands of the Yellow Drift. 4 
P. umbellatus (Muhl.), Britt. (P. helvolus, Gray’s Man., not L.) 
Sandy fields. Bergen: Along Northern railroad—Leggett ; 
and common in sandy fields, middle and southern counties. 
GLEDITSCHIA, L. 
Honey Locust. 
G. TRIACANTHOS, L. 
Commonly planted, and sparingly escaped from cultivation. 
Adventive from the Southwest. 
CASSIA, L. 
Senna. 
C. Marylandica, L. Wild Senna. 
Camden : Quite abundant along the Delaware — Parker. 
Gloucester: In a few localities along streams—-B. Heritage. 
Burlington : Bridgeboro—Miss A. M. Kaighn. Monmouth: 
Alluvial soil, not common—Knieskern; two miles north of 
Freehold— Lockwood ; and frequent in swamps, middle and 
northern counties. 
C. Chameecrista, L. Partridge Pea. 
Sandy fields. Hunterdon: Frequent—Best. Warren: Along 
the Delaware as far north as Marble Hill—Porter ; and common 
in fields, middle and southern counties. 
C. nictitans, L. Wild Sensitive Plant. 
Sandy fields. Warren: Along the Delaware, common—Por- 
ter; Jenny Jump Mt., near Green’s Pond—Britton. Hunter- 
don: Frequent—Best. Essex: Montclair—W. M. Wolfe; and 
common in fields, middle and southern counties. 
CEROIS, L. 
7 Red-bud. Judas Tree. 
C. Canadensis, L. 
“Woods, New Jersey”—Torrey Catalogue, 1819. Camden: 
In damp woods on bank of the Delaware, between Camden and 
