490 Ordeb 13.— ERICACE^. 



y. nisPiDA, Branchleta and Ivs. above very hispid ; Iva. lanceolate, glauconi^ 

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



2 A. nubiflora L. Pinxtee-bloom. Young branchlets hairy ; Ivs. oblanceolata 

 and obovate, downy beneath ; ckuiters naked, appearing with or before the young 

 kaves ; cal. very small ; cor. slightly viscid, tube downy, scarcely longer than tjie 

 segments ; stam. (5 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, segm. spreading \l'. 

 Stam. twice as long as the ti^be, style thrice. Its varieties in color are nuraerou.s 

 and splendid, e. g., pink-colored, shghtly fragrant ; deep purple ; white variegated 

 with purple and yellow ; vjhite with a buff-colored center, fragrant ; buff-colored all 

 over, very fragrant. Ap. — Jn. 



/3. OALYOOSA. Cal. with one of its scgm. subulate, 3 or 4 times longer than 

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

 (A. bioolorPh.?) 



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



3 A. calendulacea Mx. Fl.a«ing Pinxter. Young branchlets pubescent ; Ivs. 

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

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

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

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

 bright crimson, showing at distance liiie ilamo. — Its varieties are numerous, e. g., 

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

 many more. May, Jn. 



4 A. arboresceus Ph. Tebe Azalea. Branches smooth; Ivs. obovate, both 

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

 leafy with full grown kaves ; cal. lobes oblong, acute ; 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 20f,liigh. Fls. rose color, scales of the flower buds 

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

 very distinct species. May — Jl. 



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

 or acuminate ; fis. with full grown Ivs. viscid ; tube funnel form, about as long as 

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

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

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



16. RHODODEN'DROn, L. Eose Bay. (Gr. pddov, a rose, d&Vdpov, 

 .t tree.) Calyx (small) deeply 5-partecl, persistent ; corolla campanu- 

 lato, sHglitly unequal or regular, 5-lobed ; stam. 10 (rarely fewer), 

 mostly deolinate, anth. opening by 2 terminal pores ; capsule 5-oelled, 

 ,0-valved, many-seeded. — Shrubs with alternate, entire, evergreen Ivs. 

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



§ Calyx lobes larsc, leaf-like. Leaves liaiiy. Stamens o to 10 No. 7 



§ Ciilyx lobes small, ficale-likc. — Leaves obtuse at each end Nos. 1, '2 



— Leaves acute, rusty or silvery beneath Nos. 3, 6 



— Leaves acute, glabrous beneath Nos. 4, 5 



1 R. Lapponicum TVahl. Lapl.and Kosb Bay. Dwarf; Ivs. elliptical, obtuse, 

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

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

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

 numerou.s, ivith a rough bark. Lvs. about 5" by 2|", revolute, ferruginous be- 

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



2 K. Catawbiensis Mx. Catawba Rose Bay. Lvs. oval, rounded-ohtaae at 

 i-aeh end, paler beneath, smootli; cal. lobes oblong, elongated; cor. broad-cam- 

 ])anulate ; stam. 10. — On the highest summits of the Alleghanies, Ya. and Car. 

 t^hrub .-! to 5f higli. l''!*. bluish purple, without spots, much larger than in No. 

 1. Jn. 



3 R. punct^tum L. Jyvs. oval-lanceolate, acute at each end, ferruginous and 

 s^inkkd vjiih resirums dots befiieatli ; cal. teeth very sliert ; cor, narrow, campanu- 



