FACGINIACEAE. 249 



2. Gaylussacia RESiNOSA (Ait) T. & G. Black Huckleberry. Woods and 



thickets. Spring. 



3. Gaylussacia dumosa (Andr.) T. & G. M. p. 708. Sandy swamps. 



Spring. 

 Montgomery— (P.). Chester— (P.). Lancaster— Pleasant Grove (Ca.). 

 New Jersey/— Frequent. 

 New Castie— Thompson's, etc. Scarce. 



2. POLYCODIUM Eaf. 

 1. POLYCODIUM STAMiNEUM (L.) Greene. Deerberry, Sqtuixo Huckleberry. 

 M. p. 708. Dry woods. Spring. 



3. .VACCINIUM L. Blueberry. Huckleberry. 



Corolla cylindric or nearly so, 2-3 times as long as thick. 



1. V. corymbosum. 

 Corolla urn-shaped, oblong or obloug-cylindric, 1-2 times as long as thick. 



Leaves not glaucous, glabrous or pubescent beneath. 

 Leaves mostly entire, pubescent beneath. 



Shrub 1-5 m. high; leaves oval, large; fruit black. 



2. F. atrococcmn. 

 Shrub 1.5-6 dm. high; leaves oblong, small; fruit blue. 



3. V. Canadense. 

 Leaves serrulate, nearly or quite glabrous; low shrub; fruit blue. 



4: V. Pennsylvmiicum. 

 Leaves pale and glaucous beneath, mostly glabrous on both sides. | 



5. V. vacillans. 



1. Vaccinium corymbosum L. Tall Blueberry. M. p. 710. Swamps and 



low thickets. Spring. 



2. Vaccinium atrococcum (A. Gray) Heller. Black Blueberry. M. p. 710. 



Swamps and wet woods. Spring. 



Bucks— SolehuT J, New Hope (Ws.). Montgomery— CP.). Chester— 

 (P.). Lancaster— CP.). Dauphin— (P.). 



Burlingto7i— Burlington, Pemberton (C). Camden— Winslow (St.). 

 Gloucester— Mickleton (He.), Swedesboro (Li.). Ocean— Forked Eiver, 

 Toms River (C). Hunterdon ^Hosemont (C). 



New Castle— Border of Cedar Swamp, Tatnall; Mount Cuba, Commons. 

 Rare. 



3. Vaccinium Canadense Richards. M. p. 710. Moist places. Spring. 



Northampton— 'Easton, Porter (B. C). 



4. Vaccinium Pennsylvanicum Lam. Dwarf Blueberry. M. p. 710. Dry 



hills. Spring. 



BmcA's— Lahaska (Ws.). Lancaster— (P.). Lehigh— Blue Ridge (Ki.). 

 Northampton — (P.) . 



Burlington— Pemherton (C), Ballinger's Mill (St.), Brown Mills (St.). 

 Cawiden— Ateo (C), Clementon (Ha.), Lindenwold (VP.), Haddonfield 

 (Te.). Gloucester— Fairvievf near Mickleton (He.), Swedesboro (Li.), 

 Westville (U. C. S.). -Saiem- Elsinboro (C). Cumberland— MiUvUle 

 (Je.). Atlantic — Hammonton (Cr.). 



New Castle — Not rare. 



5. Vaccinium vacillans Kalm. Low Blueberry. M. p. 710. Dry places, i 



Spring. 



