490 Obdbb 13.— BEICACE^. 



y. HispiDA. Branchleta and Ivs. above very hispid; Ivs. lanceolate, glaucous, 

 glabrous beneath ; tube shorter.— Mts., !>[. T., Penn. (Pursh.) 



2 A, nubiflora L. Pinzter-bloom. Young branohlets hairy ; Ivs. oblanceolato 

 andobovate, downy beneath ; cMsters tiaked, appearing with or be/ore the young 

 feaues/'eal. yery small; cor. slightly viscid, tube downy, scarcely longer than the 

 segments ; stam. (5 to 1) much exserted.— Frequent in forests throughout the 

 country, especially southward. St. crooked, much branched, thg branohlets often 

 in irregular whorls. Pedicels short. Tube nearly 1' long, segm. sprep,ding 1\'. 

 Stam. twice as long as the tube, style thrice. Its varieties in color are numerous 

 and splendid, e. g., pink-cohred, slightly fragrant ; deep purple; 'white variegatei 

 with purple and yellow ; white with a buff-colored center, fragrant ; iuf -colored o.\\ 

 over, very fragrant. Ap. — Jn. 



/3. CALTCOSA. Cal. with one of its segm. subulate, 3 or 4 times longer than 

 the others (not constantly so even in the same umbel.) — Ga. (Miss Wyman). 

 (A. bicolor Ph. ?) 



y. polyanCea. Stam. 10 to 20 ; cor. rose-colored (Pursh). 



3 A. oalendulaoea Mx. PLAMiNa Pinxter. Young iranchlets pubesceni; Ivs. 

 oblong, attenuated to the base, mueronate, smoothish or pubescent; corymbs marly 

 or quite leafless; cal. lobes oblong; tube of the cor. hirsute, not viscid, shorter than 

 the ample lobes. — A splendid flowering shrub, in mountains and woods, Penn. to 

 Ohio and Ga. Fls. very numerous, limb expanding 18 to 20", usually yellow and 

 bright orhnson, showing at distance like flame. — Its varieties are numerous, e. g., 

 flame-colored; brick-red (very rich); saffron-yeUow. Cultivation has produced 

 many more. May, Jn. 



4 A. arborSscens Ph. Tree Azalea. Brandies smooth; Ivs. obovate, both 

 sides glabrous, glaucous beneath, margins ciliate, veins nearly glabrous ; corymbs 

 leafy with full grown leaves ; cal. lobes oblong, acute ; cor. tube not viscid, longer 

 than the lobes; stam. and stj. exsert. — Hivulets near the Blue Mts., Pena to (Ma- 

 con) Ga. Shrubs 10 to 2 Of high. Fls. rose color, scales of the flower buds 

 large, yellowish-brown, with a fringed white border. Sepals fuUy 2" long. A 

 very distinct species. May — Jl. 



5 A. Pontioa L. Lvs. ovate and oblong, pilous-cUiated on the margin, acute 

 or acuminate ; fls. with full grown lvs. viscid ; tube funnel form, about as long as 

 the segments ; stam. very long-exserted. — Cultivated. This splendid shrub comes 

 from Asia Minor, but is in no wise superior in beauty to our own A. calendu- 

 laceae (which it much resembles). Varieties of every hue. (R. flavum Don.) 



i6. RHODODEN'DROn, L. Eose Bay. (Gr. p66ov, a. rose, divSpw, 

 a tree.) Calyx (small) deeply 5-partcd, persistent ; corolla campanu- 

 late, slightly unequal or regular, o-lobed ; stara. 10 (rarely fewer), 

 mostly deolinate, anth. opening by 2 terminal pores ; capsule S-celled, 

 5-valvcd, many-seeded. — Shvnbs witli alternate, entire, evergreen lvs. 

 Fls. in dense, terminal umbels from large, scaly buds. (Fig. 355.) 



§ Calyx lobes large, Ic.if-like. Leaves haiiy. Stamens 5 to 10 No. 7 



§ Calyx lohes small, scalo-liko. — Leaves obtuse at each end Nos.1,2 



— Leaves acute, rusty or silvery beneath Nos. 8, 6 



—Leaves acute, glabrous beneath Nos. 4, 5 



1 R. Lapponicum Wahl. Lapland Rose Bay. Dwarf; lus. elliptical, obtuse, 

 very small, roughened with concave rusty scales both sides', fla. in terminal, leafy 

 clusters, campanulate, limb spreading, 5-lobed; stam. 5 to 7 to 10, exserted. — 

 An erect shrub, 8 to 10' high, native of high mts., K Eng. and 'S. T. Branches 

 numerous, with a rough bark. Lvs. about 5" by 2-J", revolute, ferruginous be- 

 neath, crowded. Cor. 7 to 8" diam., deep purple, regular. Jn., Jl. 



2 R. Catawbi^nsis Mx. Catawba Rose Bay. Los. oval, rov,ndedro\>\,WB at 

 each end, paler beneath, smooth; cal. lobes oblong, elongated; cor. broad-cam- 

 panulate ; stam. 10. — On the highest summits of the AUeghanies, Va. and Car. 

 Shrub 3 to 5f high. Fls. bluish purple, without spots, much larger than m No. 

 1. Jn. 



3 R. punctEltum L. Lvs. oval-lanceolate, acute at each end, ferrugimms and 

 sprinlded with resinous dots beneath ; cal. teeth very short ; cor. narrow, campcmir 



