MIDDLESEX FLORA. 61 



G. f rondosa, Ton*. & Gray. BLUE TANGLE. DANGLEBERRY. 



Widely distributed, but not very common. May-June. 

 G. resinosa, Torr. & Gray. BLACK HUCKLEBERRY. 



Common. May-June. 



VACCINIUM, L. 



V. Oxycoccus, L. SMALL CRANBERRY. 



Ashby and Wilmington (W. H. Manning) ; Concord (Minot Pratt) ; 



Natick (Rev. Thos. Morong) ; Littleton (L. L. Dame). Eare. June. 

 V. macrocarpon, Ait. CRANBERRY. 



Common. June/ 

 * V. Vitis-Idcea, L. COWBERRY. 



Concord, introduced from the White Mts. by Minot Pratt, but does 



not thrive. June. 

 V. Pennsylvanicum, Lam. DWARF BLUEBERRY. 



Common. A form with black and shining berries destitute of 



bloom, the var. nigrum of Wood, occasional. May. 

 *V. Canadense, Kalm. CANADA BLUEBERRY. 



Townsend (Miss H. E. Haynes). May. 

 V. vacillans, Soland. Low BLUEBERRY. 



Rather common. May-June. 

 V. corymbosum, L. SWAMP BLUEBERRY. 



Common. May-June. 

 V. corymbosum, var. atrococcum, Gray. 



Common. May-June. 



CHIOGENES, Salisb. 



C. hispidula, Torr. & Gray. CREEPING SNOWBERRY. 

 Shirley and Littleton (W. H. ^Manning) ; Tewksbury (B. D. 

 Greene) ; Concord (Minot Pratt). Rare. May. 



ARCTOSTAPHYLOS, Adans.1 



A. Uva-ursi, Spreng. BEARBERRY. 

 Widely distributed ; but not very common. May-June. 



EPIG^EA, L. 



E, repens, L. TRAILING ARBUTUS. MAY FLOWER. Ashby, 

 Littleton, Westford, Concord, et al. Common only in the north- 

 western part of the county. Apr.-May. 



GAULTHERIA, Kalm. 



G.Eprocumbens, L. WINTERGREEN. CHECKERBERRY. BOX- 

 BERRY. Common. July. 



LEUCOTHOE, Don. 



L. racemosa, Gray. 

 Maiden, Medford, Townsend, Ashland, et al. Not common. June. 



