MIDDLESEX FLOKA. 61 



G. f rondosa, Torr. & Gray. Blue Tangle. Danglebekrt. 



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

 G. reslnosa, Torr. & Gray. Black Huckleberry. 



Common. MayJ^une. 



Vaccinium, L. 



V. Oxycoccus. L. Small Cranberry. 



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



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

 V. macrocarpon, Ait. Cranberry. 



Common. June. 

 * Y. Vitis-Idma, L. Cowberry. 



Concoi-d, introduced from the White Mts. by Minot Pratt, but does 



not thrive. June. 

 V. Pennsylvanicum, Lam. Dwarp Blueberry. 



Common. A form with blacls and shining berries destitute of 



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

 *V. Canadense, Kalin. Canada Blueberry. 



Townseud (Miss H. E. Hayiies). May. 

 V. vacillans, Soland. Low Blueberry. 



Blither 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 I'ratt). Rare. M-ay. 



Arctostaphylos, Adans. 



A. Uva-ursi, Spreng. Bearberry. 

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



Epig^a, L. 



E, repens, L. Trailing Arbutus. May Flower. Ashby,. 

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

 westel-n part of the county. Apr.-May. 



Gaultheria, Kalm. 



0. procumbens, L. Wintergreen. Checkerberry. Box- 

 berry. Common. July. 



Leucothoe, Don. 



L. racemosa, Gray. 

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



