488 ERICACEAE 



Corolla globose; leaves narrow, glaucous 



beneath. 10. Andromeda. 



Anthers awnless. II. Xolisma. 



Anther-sacs longitudinally dehiscent; low trailing 



woody herb. 12. Epicaea. 



Fruit a drupe or a capsule enclosed by the fleshy acrescent 

 calyx. 

 Fruit consisting of the fleshy calyx surrounding the 



capsule. 13. Gaultheria. 



Fruit a drupe with 4 or 5 nutlets. 14. UVA-URSI. 



Fruit a septicidal capsule; corolla withering-persistent. 15. Calluna. 



i. Ledum L. 



1. L. groenlandicum Oeder. In bogs and swamps: Greenland 



to B. Col., Mass., N. J. (?) and Wash. 



Conn. Northeastern Litchfield Co. 



N. Y. Pine Plains, Dutchess Co. and in the higher Catskills, 



otherwise unknown. 

 N. J. Credited to Sussex Co. but not definitely known from the 



state. 

 Pa. Luzerne and Monroe counties. 



Tertiary, o: Cretaceous, o: Older Formations, rare, increasing 

 northward. Not south of the moraine. 118-153 days. 1,100- 

 4,020 ft. 



2. Azalea L. 



Flowers expanding before or with the leaves. 

 Flowers pink or white. 



Leaves strigose on the midrib beneath; corolla-tube hirsute. 1. A. nudiflora. 



Leaves canescent beneath; corolla-tube glandular. 2. A. prinophylla. 



Flowers orange or yellow. 3. A. lulea. 



Flowers expanding later than the lea vi -. 4. A. viscosa. 



i. A. nudiflora L. In dry woods and thickets: Me. to 111., Fla. 

 and Tex. Reported from Canada. 



Throughout the range except in the pine-barrens, there rare; 

 always increasing northward; uncommon on the L. I. coastal plain. 



2. A. prinophylla Small. In woods: Mass. and N. Y. to Va. and 



Tenn. Has been included in A . canescens M ichx. 



Conn. Very rare in northern New London Co., otherwise known 



only from northwestern Litchfield Co. 

 N. Y. Known only from Greene, Ulster and Delaware counties, 



but not always at great elevations. 

 N. J. The northern corner of Sussex Co. 

 Pa. Luzerne, Pike, Monroe and Lackawanna counties. 



