490 Obdeb 13.— ERICACEiE. 



y. hispida. Branchlets and lvs. above very hispid ; lvg. lanceolate, glaucous, 

 glabrous beneath ; tube shorter. — Mts., N. Y., Penn. (Pursh.) 



2 A. nubiflora L. Pinxter-bloom. Young branchlets hairy ; lvs. oblancoolate 

 and obovate, downy beneath ; clusters naked, appearing with or be/ore the youvg. 

 leaves ; cal. very small ; cor. slightly viscid, tube downy, scarcely longer than the 

 segments ; stain, (o to 7) much exserted. — Frequent in forests throughout the 

 country, especially southward. St. crooked, much branched, the branchlets often 

 in irregular whorls. Pedicels short. Tube nearly 1' long, segno, spreading 1.V'. 

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

 and splendid, e. g., pink-colored, slightly fragrant; deep purple; while variegated 

 with purple and yellow; white with a buft'-colorod center, fragrant; buff-colored all 

 over, very fragrant. Ap. — Jn. 



/). caltcosa. Cal. with ono of its segm. subulate, 3 or 4 times Iontror than 

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

 (A. bicolorPh.?) 



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



3 A. calendulacea Mx. Flaming Pinxter. Young branchlets pubescent ; lvs. 

 oblong, attenuated to the base, mucronate, smoothish or pubescent; corymbs nearly 

 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 IS to 20", usually yellow and 

 bright crimson, showing at distanco like flame. — Its varieties aro numerous, e. g., 

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

 many more. May, Jn. 



4 A. arborescens Ph. Tree Azalea. Branches smooth; lvs. obovate, both 

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

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

 than the lobes ; stam. and sty. exsert. — Rivulets near the Blue Mts., Penn. to (Ma- 

 con) Ga. Shrubs 10 to 20 f high. Fls. roso color, scales of tho flower buds 

 large, yellowish-brown, with a fringed whito border. Sepals fully 2" long. A 

 very distinct species. May — Jl. 



5 A Poattica L. Lvs. ovato and oblong, pilous-ciliated on tho margin, acute 

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

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

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

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



16. RHODODEN'DRQN, L. Rose Bay. (Gr. poSov, a rose, dh>dpov v 

 a tree.) Calyx (small) deeply 5-parted, persistent ; corolla campavm- 

 late, slightly unequal or regular, 5-lobed ; stam. 10 (rarely fewer), 

 mostly declinate, antli. opening by 2 terminal pores ; capsule 5-celled, 

 5-valved, many-seeded. — Shrubs with alternate, entire, evergreen lvs. 

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



§ Calyx lubes large, leaf-like. Leaves hairy. Stamens 5 to 10 No. T 



j Calyx lobes small, scale-like. — Leaves obtuse at each end Nos. 1, 2 



— Leaves acute, rusty oi - silvery beneath Nos. 8, <> 



— Leaves acute, glabrous beneath Nos. 4, 5 



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

 very small, roughened with concave rusty scales both sides; fls. in terminal, leafy 

 clusters, campanulate, limb spreading, 5-lobed; stam. 5 to 1 to 10, exserted. — ■ 

 An erect shrub, 8 to 10' high, native of high mts., N. Eng. and N. Y. Branches 

 numerous, with a rough bark. Lvs. about 5" by 21", revolute, ferruginous be- 

 neath, crowded. Cor. 1 to 8" diam., deep purple, regular. Jn., Jl. 



2 R. Catawbiensis Mx. Catawba Rose Bay. Lvs. oval, rounded-obtaso at 

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

 panulate ; stam. 10. — On the highest summits of the Alleghanies, Ya. and Car. 

 Shrub 3 to 5f high. F1&. bluish purple, without spots, much larger than in No. 

 1. Jn. 



3 R punctatum L. Lvs. oval-lanceolato, acuto at each end, ferruginous and 

 sprinkled with resinous dots beneath ; cal. teeth very sliort ; cor. narrow, campanu- 



