238 ERICACEAE 



■"*« Anthers unappendaged. ii. Xolisma. 



b. Anther-sacs opening by longitudinal valves. 

 Corolla contracted at the throat : upright shrubs or trees. 



12. OXYDENDRON. 

 Corolla expanded at the throat : creeping shrubby plant. 



13. Epigaea. 

 B. Pruit a drupe or capsule enclosed in the accrescent hypanthium. 



Fruit a capsule enclosed in the fleshy hypanthium. 14. Gattltheria. 

 Fruit a drupe with 4-5 nutlets. 15. Arctostaphylos. 



1. LEDUM U 



1. Ledum Groenlandlcum OEder. Labrador Tea. (Man. p. 698; 

 I. F. y. 2742-') In bogs and swamps, Greenland to B. C, Mass., N.J. 

 and Wis. — Pennsylvania : Monroe ; Luzerne. 



2. RHODORA L. 



1. Rhodora Canadensis L. Rhodora. (Man. 699; I. V . f. 2748.) 

 In bogs and on wet hillsides, Newf. to N. J., Quebec, central N. Y. and 

 Pa. —Pennsylvania : Susquehanna; Lackawanna; Monroe, abundant. 



3. AZALEA L. 



Corollas expanding before the leaves. 

 Corollas pink or white. 

 Leaf-blades strigose beneath : corolla-tube hirsute. 1. A. nudiflora. 



Leaf-blades canescent beneath : corolla-tube glandular-pubescent. 



2. A. canescens. 

 Corollas yellow, red or orange. 3. A . lutea. 



Corollas expanding after the leaves. 

 Leaves with the midnerve glabrous beneath. 4. A. arboresce?is. 



Leaves with the midnerve strigillose beneath. 5. A. viscosa. 



1. Azalea nudiflora L. Wild Honeysuckle. Pinkster-elower. 

 (Man. p. 698 ; I. F./ 2743.') In dry woods and thickets. Me. to 111., Fla. 

 and Tex. Reported from Canada. — Pennsylvania : Monroe ; Pike ; 

 Northampton ; Bucks ; Delaware ; Chester ; Lancaster ; Leba- 

 non ; BERKS ; Huntingdon ; Allegheny. 



la. A. nudiflora glandifera Porter. — MONROE ; Northampton ; Lan- 

 caster ; Delaware. 



2. Azalea canescens Michx. Mountain Azalea. (Man. p. 698 ; 



I. F. /. 2744.) In woods, Mass., N. Y., to Fla. and La. Pennsylvania : 



Monroe ; Lackawanna ; Pike ; Susquehanna. 



3. Azalea lutea L. Flame Azalea. (Man. p. 698; I. F. /. 274s-) 

 In dry woods, N. Y., and Pa. to Ga. — Pennsylvania: Franklin; Ve- 

 nango ; Somerset. 



4. Azalea arborescena PuTsh. Smooth or Tree Azalea. (Man. p. 

 698 ; I. F. /. 2746.) In woods, Pa. to N. C. and Tenn. — Pennsylvania : 

 Lancaster ; Perry ; York ; Bedeord ; Cambria ; Somerset ; Alle- 

 gheny. 



5. Azalea viscosa L. Swamp Pink. White Azalea. (Man. p. 

 698; I. P. / 2747 ■) In swamps, Me. to Ohio, Fla., and Tex.— /fe»«- 



