ElUCACEiE 217 



both sides, ciliate on the margin ; flowers large in rather naked corymbs, r.o'. . 

 i:3 oblong, conspicuous ; stamens and style much exserted. 

 Woods and mountains, southern parts of the State. May. A splendid flowering 

 . '5 to 10 feet high, covered about the time that the leaves appear with a prc- 

 : of large and showy yellow or orange flowers, usually turning to flame color. 

 : about 2 V2 inch' s long and 2 wide. Cultivation has produced many varieties, 

 golden yellow to dark crimson, single and double. 



5. A. iiispidum, Torr. Hisped Azalea, 



Branches straight, very hisped; leaves lanceolate, acuminate at each end, I 

 above, smooth beneath, glaucous on both sides, ciliate on the margin; ft 

 very visced, appearing with the leaves; calyx-teeth oblong, rounded; stamens and 

 styles ex-serted. 



Margin of lakes, on high mountains. July, Aug. Shrub of a bluish appearance, 

 10 to 15 feet high, very upright Flowers white, with a red border ; the tube 

 reddtsh-white. SUmens often 10. Professor Gray considers this scarcely distinct 

 from A. viscosa. 



10. RHODODENDRON, Linn. Rosebay, 



Rhododendron , rose-tree ; the ancient Greek name, 



Calyx 5-parted, mostly small. Corolla some wh at bcll- 

 ahaped, or partly funnel-form, sometimes slightly irregular, 

 5-lobed. Stamens 10, V3ry rarely fewer, commonly de- 

 clined. Anthers opening by 2 terminal pores. Capsule 

 5-celled, 5-valved, many-seeded — Shrubs or low trees, with 

 evergreen entire alternate leaves, and large showy flowers in compact 

 terminal corymbs or clusters from large sci ly-bracted buds. 



1. R. maximum. L. American Rosebay. 



'Leaves elliptical-oblong or lance-oblong, acute, narrowed towards the base, very 

 smooth, paler beneath, thick and evergreen ; corolla companulate. 



Shaded ravines and water-courses, common. July. Shrub 6 to 20 feet high, with 

 crooked stems. leaves when young downy, becoming very smooth when lull 

 grown, 4 to 10 inches long, thick and leathery, remaining on the stem 2 or 3 years. 

 Vrrymbs 15 to 20-flowered. O,rolla 1 to 2 inches broad, pale rose-color or nearly 

 white, greenish in tbe throat on the upper side and spotted with yellow or reddish. 



11. KALMIA, Linn. American Laurel. 



Dedicated to Peter Kalm, a pupil of Linnaeus. 



Calyx 5-parted. Corolla, between rotate and companul- 

 ate, 5-lobed, furnished with 10 depressions in which the 10 

 anthers are severally lodged until they begin to shed their 

 pollen. Filaments elastic, thread-form. Capsule globose, 

 5-celled, many-seeded. — North American evergreen shrubs, 

 with naked flower^buds, alternate coriacious leaves, bracted pedicels 

 and showy white and red flowers in umbel-like corymbs. 



1. K. latifolia, L. Mountain Laurel. Calico-bush. 



Branches terete; leaves mostly alternate, on long petioles, ovate-lanceolate cr 

 elliptical, tapering at each end, bright-green on both sides; corymbs terminal , 

 many-flowered, clammy-pubescent, 



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