VACCINIACEAE 493 



i. Gaylussacia H. B. K. 



Leaves pale and glaucous beneath, resinous; fruit with a bloom. I. G. frondosa. 

 Leaves green both sides, resinous; fruit mostly black. 



Bracts small, deciduous, mostly shorter than the pedicels. 2. G. baccata. 



Bracts oval, large, persistent, longer than the pedicels. 3. G. dumosa. 



i. G. frondosa (L.) T. & G. In woods and thickets: N. H. to 

 Fla., Ohio and La. 



Common throughout most of the range, less common northward 

 and more abundant in the pine-barrens than elsewhere. 



2. G. baccata (Wang.) C. Koch. (G. resinosa (Ait.) T. & G.). 



In woods and thickets: Newf. to Ga., Man., Wise, and Ky. 

 Common throughout the range, especially in the pine-barrens. 



3. G. dumosa (Andr.) T. & G. In sandy swamps: Newf. to 



X. V., Fla. and La. 



Conn. Very rare but scattered over most of the state; not def- 

 initely known from New London Co. 



N. Y. Not very common on L. I. and S. I., unknown in the 

 Bronx, decreasing up the Hudson Valley to Westchester Co., 

 apparently wanting elsewhere. 



N. J. The coastal plain, more common in the pine-barrens than 

 elsewhere. 



Pa. Montgomery and Chester counties. 



Tertiary, common: Cretaceous, less common: Older Formations, 



scattered and rare. 166-220 days. About sea level. 



A form with permanently glandular leaves has been described as var. Bigeloviana 

 Fernald from Conn. I have seen no specimens.* 



2. Polycodium Raf. 

 1. P. stamineum (L.) Greene. In dry woods and thickets: Me. 

 to Ont., Minn., Ark., Ky. and Ala. 



Throughout the range, except in the pine-barrens, there un- 

 recorded, very rare in the region surrounding the barrens. 



3. Vaccinium L. 



Tall shrubs, mostly I m. high or higher. 



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



Glabrous or nearly so. 1. V. corymbosum. 



Twigs and leaves densely pubescent. 2. V. vicinum. 



Corolla urn-shaped to oblong-cylindric, 1-2 times as long as 

 thick. 

 Glabrous from the first. 3. V. caesariense. 



* Rhodora 13: 99. 191 1. 



