ERICACEAE. 



VOL. II. 



i. Azalea nudiflora L. Wild Honeysuckle. Pinkster-flower. Purple or Pink 



Azalea. Fig. 3215. 



Azalea nudiflora L. Sp. PI. Ed. 2, 214. 1762. 



R. nudiftorum Torr. Fl. N. & Mid. U. S. 424. 1824. 



A shrub, 2-6 high, branched above, often 

 simple below, the twigs glabrous, or with stiff 

 hairs. Leaves oblong or obovate, acute at both 

 ends, short-petioled, hairy on the midrib and 

 sometimes on the lateral veins beneath, glabrous 

 or with a few scattered hairs above when old, 

 sometimes canescent on the lower surface when 

 unfolding, 2'~4' long, the margins ciliolate ; 

 pedicels strigose, 4" -7" long; flowers pink to 

 nearly white, expanding before or with the leaves, 

 faintly odorous, the limb somewhat 2-lipped, ii'- 

 2' broad, shorter than the narrow tube, which is 

 pilose-pubescent and little or not at all glandular ; 

 stamens much exserted ; capsule linear-oblong, 

 strigose, &"-g" long, erect. 



In dry sandy or rocky woods and thickets Massa- 

 chusetts to Illinois, south to Florida and Texas. 

 Ascends to 3000 ft. in Virginia. Reported from 

 Canada and from Maine. Swamp or election-pink. 

 Mayflower. Early, purple or swamp-honeysuckle. 

 River-pink. April-May. 



2. Azalea canescens Michx. Mountain or 

 Hoary Azalea. Fig. 3216. 



Azalea canescens Michx. Fl. Bor. Am. i : 150. 1803. 

 Rhodod. canesc. Porter, Bull. Torr. Club 16 : 220. 



1889. 



A branching shrub, 4-i5 high, the twigs 

 glabrous or sparingly pubescent. Leaves oval, 

 elliptic or sometimes obovate, wider and shorter 

 than those of the preceding species, permanently 

 more or less soft-canescent and pale beneath and 

 stiff-hairy or pubescent on the veins, varying to 

 nearly glabrous, the margins ciliolate-serrulate ; 

 pedicels glandular; flowers rose-color to white, 

 very fragrant, expanding with or before the 

 leaves ; corolla limb often 2' broad, about equal- 

 ling the rather stout, densely glandular but 

 scarcely viscid tube ; stamens slightly exserted ; 

 capsule linear-oblong, glandular, 6"-8" long. 



In woods, New Hampshire, New York and Penn- 

 sylvania, south, especially along the Alleghanies, to 

 Florida and to Louisiana. April-May. 



3. Azalea lutea L. Flame Azalea. Fig. 3217. 



Azalea lutea L. Sp. PI. 150. 1753. 



A. calendulacea Michx. Fl. Bor. Am. i : 151. 1803. 



Rhododendron calendulaceum Torr. Fl. N. & Mid. U. 



S. 425. 1824. 



A shrub, 4-i5 high, similar to the preceding 

 species', the twigs mostly glabrous. Leaves obovate 

 or oval, permanently more or less canescent or 

 tomentose beneath, glabrous, or with some scat- 

 tered hairs above, the margins ciliolate-serrulate ; 

 pedicels short, pilose or glandular ; flowers orange- 

 yellow or red, very showy, slightly fragrant, ex- 

 panding before or with the leaves ; corolla-tube 

 about the length of the nearly regular limb, 

 glandular-pilose, the limb often 2' broad ; stamens 

 long-exserted ; capsule linear-oblong, about 8" 

 high, erect, more or less pubescent. 



In dry woods, southern New York, and the moun- 

 tains of Pennsylvania to Georgia and Tennessee, 

 nearer the coast in North Carolina. Fine in cultiva- 

 tion. Yellow honeysuckle. May-June. 



