118 FLORA OF PHILADELPHIA. 



Camden ~~ Gloucester (C), Atco (Pr.). Gloucester — Near Miokleton, 

 staminate plants only (He.), Swedesboro (Li.). Salem — Salem (C). 

 Cumberland— Bridgeton (C). Middlesex— South Amboy, Morgan Sta- 

 tion (C). 



iNew Castle— Iron Hill, etc. Not common. Mount Cuba, staminate 

 plants, Commons. 



14. Salix sericea Marsh. M. p. 318. Swamps and along streams. Spring. 



Philadelphia — (P.). Bucks — Argus (Cr.), near Sellersville (Fr.). 

 Delaware— Williamson (Le.), Valley of Darby Creek (B. Sm.). Chester— 

 (P.). Lancaster— (P.). Lehigh— Catasauqua (Ca.). Northampton— (P.). 



New Jersey— Common (C). 



New Castle — Frequent. 



15. Salix viminalis L. Osier Willow. M. p. 318. Escaped from cultiva- 



tion. Spring. 

 Delaware— (P.). 



16. Salix purpurea L. M. p. 320. Escaped from cultivation., Spring. 



Bucks— Near Quakertown (Fr.). Lancaster— (P.) . Northampton— 

 (P.). 

 Middlesex— So-nth Amboy (C). 

 New Castle— Eoadsides, Latrobe Feeder, Commons and Tatnall. 



Order 3. MY RICALES. 

 Family 1. MYRICACEAE Dumort. Bayberry Family. 



Ovary subtended by 2-4 bractlets; leaves serrate or entire, estipulate. 



1. Myrica. 

 Ovary subtended by 8 linear, persistent bractlets; leaves pinnatifid, stip- 

 ulate. 2. Comptonia. 



1. MYRICA L. » 



1. Myrica cerifera L. Bayberry, Wax-myrtle. M. p. 321; Sandy soil, 

 especially near the coast. Spring. 

 Philadelphia— Willow Grove Avenue, Chestnut Hill (Je.). Delaware— 

 Tinicum (B. Sm.). Lehigh— Salsburg (Kr.). 

 New Jersey — Common. 

 New Castle— Collins, Canby; Oldtown, dommons ; Kiamensi, TattooM. 



2. COMPTONIA. Banks. 



1. Comptonia peregrina (L.) Coulter. Sweet Fern. M. p. 321. Dry soil. 

 Spring. 



Order 4. JUGLANDALES. 

 Family 1. JUGLANDACEAE Lindl. Walnut Family. 



Husk indehiscent; not rugose or sculptured. 1. Juglans. 



Husk at length splitting into segments; nut smooth, or angled. 2. Hicoria. 



1. JUGLANS L. 



Fruit globose, obtuse, not viscid; petioles puberulent. 1. J. nigra. 



Fruit oblong, pointed, viscid; petioles pubescent. 2. J. cinerea. 



