698 FLORA. 



somewhat rugose above, densely tomentose with brown wool beneath, 12-40 mu.. 

 long; flowers 6-10 mm. broad; pedicels very pubescent. .'2-25 mm. long in fruit; 

 capsule scurfy, about 4 mm. high and 2 mm. in diameter, nodding; calyx-teeth 

 less than I mm. long, ovate, obtusish. In .bogs, Newf. to Alaska. Also in north- 

 ern Europe and Asia. Summer. 



2. Ledutn Groenlandicum OEder. LABRADOR TEA. (I. F. f. 2742.) A 

 shrub, 3-12 dm. high, similar to the preceding. Leaves 2.5-5 cm - l n g slightly 

 rugose above, densely brown-tomentose beneath; flowers 8-10 mm. broad; pedicels 

 2-2.5 cm. long and recurved in fruit; capsule canescent, nodding, 6-7 mm. long, 2-3 

 mm. in diameter. In bogs and swamps, Greenland to Br. Col., Mass., N. J. 

 and Wis. May -June. 



z. AZALEA L. 



Mostly tall shrubs, with alternate leaves. Flowers large, in terminal umbels 

 developed from cone-like scaly buds. Calyx 5 -parted. Corolla funnelform, the 

 tube mostly narrow, the limb nearly regularly 5-lobed or somewhat 2-lipped. 

 Stamens 5 (rarely 10), exserted, usually declined ; anthers attached to the filaments 

 by their backs, the sacs opening by terminal pores; style declined, exserted. 

 Ovary 5 -celled; ovules numerous. Capsule oblong or linear-oblong, 5-celled, 5- 

 valved from the summit, many-seeded. [Greek, dry, from its habitat.] About 40 

 species, natives of N. Am. and Asia. Besides the following, 2 others occur on the 

 Pacific coast. 

 Flowers expanding before or with the leaves. 



Flowers pink or white. 



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

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



Flowers orange, yellow or red ; leaves canescent beneath. 3. A. lutea. 



Flowers expanding later than the leaves. 



Leaves shining, glabrous beneath. 4. A. arborescens< 



Leaves strigose on the midrib beneath. 5. A. viscosa. 



1. Azalea nudiflora L. WILD HONEYSUCKLE. PINKSTER-FLOWER. PUR, 

 PLE OR PINK AZALEA. (I. F. f. 2743.) A shrub, 0.6-2.8 m. high. Leaves oblong 

 to obovate, acute at both ends, short-petioled, glabrous or with a few scattered 

 hairs above when old, 5-10 cm. long, the margins ciliolate; pedicels strigose, 8- 

 14 mm. long; flowers faintly odorous, the limb somewhat 2-lipped, 3.5-5 cm. broad, 

 shorter than the narrow tube, stamens much exserted; capsule strigose, i-i8 

 mm. long, erect. In dry woods and thickets, Me. to 111., Fla. and Tex. Reported 

 from Canada. April-May. 



2. Azalea canescens Michx. MOUNTAIN AZALEA. (I. F. f. 2744.) A 

 shrub, 12-45 dm. ni g n - Leaves oval, elliptic or sometimes obovate, wider and 

 shorter than those of the preceding, pale beneath and stiff-hairy or pubescent on the 

 veins, varying to nearly glabrous, the margins ciliolate serrulate; pedicels glandu- 

 lar; flowers very fragrant; corolla-limb often 5 cm. broad, about equalling the 

 rather stout, slightly viscid tube; stamens slightly exserted; capsule glandular, 12- 

 16 mm. long. In woods, Mass, and N. Y. to Fla. and La. April-May. 



3. Azalea lutea L. FLAME AZALEA. (I. F. f. 2745.) Similar to the two 

 preceding. Leaves obovate or oval, glabrous, or with some scattered hairs above, 

 the margins ciliolate-serrulate ; pedicels short, pilose or glandular; flowers slightly 

 fragrant; corolla-tube about the length of the nearly regular limb, glandular-pilose, 

 the limb often 5 cm. broad; stamens long-exserted ; capsule about 16 mm. high. 

 In dry woods, N. Y. and Penn. .to Ga. May-June. 



4. Azalea arborescens Pursh. SMOOTH OR TREE AZALEA. (I. F. f. 2746.) 

 A shrub, 2-6 m. high, glabrous or nearly so. Leaves obovate, oblanceolate or 

 oval, acute or sometimes abruptly acuminate, petioled, firm, bright green above, 

 light green beneath, 5-10 cm. long, fragrant in drying, 1 the margins ciliate; flowers 

 white, or tinged with pink, fragrant, the limb nearly regular, 3.5-5 cm. broad, 

 about as long as the slender glandular tube; stamens and style red, long-exserted; 

 capsule densely glandular, 12-16 mm. long. In woods, Penn. to T . Car. and 

 Tenn. June- July. 



5. Azalea viscosa L. SWAMP PINK OR HONEYSUCKLE. WHITE AZALEA. 

 (I. F. f. 2747.) A shrub, 1-2 m. high, the twigs hairy. Leaves obovate-oblong 



