492 REPORT OF NEW JERSEY STATE MUSEUM. 



PI. — Late April to early May, before or with the leaves. Fr. 

 — Early September to early October. 



Middle District.— New Egypt, Brown's Mills, Pemberton Jnc. (S), Med- 

 ford, Clementon, Cains Mill. 



Pine Barrens.— Dieal (UP), Pleasant Mills, Hammonton (C), Folsom (T). 



Coast Strip.—Sundy Hook, Pt. Pleasant (S), Toms River (S), Seaside 

 Park, Waretown, Barnegat City (L), Beach Haven Terrace (L), Surf City 

 (L), Atlantic City, Wildwood, Cape May Pt. (S). 



Prunus serotina Bhrh. Wild Cherry. 



Prunus serotina Ehrhart, Beitr. III. 20. 1788 [North America] .—Barton, 

 Fl. Phila. I. 222. 1818.— Knieskern 13.— Britton 91. 



Common in woods and thickets and along fence rows in the 

 Northern, Middle, Coast and Cape May districts. In the Pine 

 Barrens it occurs only as an occasional introduction in localities 

 long cleared and cultivated. 



The Wild Cherry is one of the most characteristic trees of 

 the coastal strip, and both it and the Red Cedar are sure to 

 appear wherever we leave the Pine Barrens. 



PI. — ^Mid-May to early June, when the leaves are well ex- 

 panded. Pr. — Late July to late August. 



Middle District. — Navesink Highlands (UP), Pt. Pleasant, New Egypt, 

 Fish House, Delaire, Medford (S), Albion, Washington Park, Mickleton, 

 Glassboro, Centerton (S). 



Pine Barrens. — Landisville (probably introduced). 



Coast Strip.— Sandy Hook, Toms River (UP), Surf City (L), Beach 

 Haven Terrace (L), Barnegat City (L), Absecon (Bassett), Atlantic City 

 (S), Ocean City (S), Five-Mile Beach, Stone Harbor. 



Cape May. — Bennett, Cape May Ct. House. 



Family CAESALPINIACE^. Senna, etc. 

 Key io the Species. 



a. Tree with cordate orbicular leaves and pink papilionaceous flowers, sessik 

 on the branches, appearing before the leaves. Cercis canadensis, p. 493 

 aa. Herbs with pinnate leaves and yellow papilionaceous flowers. 

 b. Leaflets linear, 6-20 mm. long. 



c. Flowers 4-8 mm. broad, anthers 5. Cassia nictitans, p. 493 



cc. Flowers 25-40 mm. broad, anthers 10. C. chamcecrista, p. 493 



bb. Leaflets ovate, 20-50 mm. long. ' C. marilandica, p. 494 



