438 ERICACEAE. Rhododendron. 



Swamps, particularly those in which the White Cedar {Cupressvs tkuyoides) abounds; 

 but sometimes in rather dry situations. Near Babylon, &c.. Long Island ; in the Highlands 

 of New- York ; Oriskany swamp (Dr. Knieskern). Fl. June - July. Fr. September. A 

 magnificent shrub, and susceptible of cultivation without much difficulty, especially if removed 

 from dryish soils, f have sometimes found large crystalline grains of white sugar in the 

 flowers. 



2. Rhododendron Lappomcum, Wahl. Frocumhent Alpine Rosehay. 



Procumbent and divaricately branched ; leaves elliptical, rigid, dotted, and covered with 

 ferruginous minute scales on both sides ; peduncles few, terminal, umbellate; stamens 5-10; 

 filaments smooth.— IVaA/. Jl. Lapp. p. 104 ; Torr.-fl. \. p. 426 ; Beck, hot. p. 220 ; Hook, 

 hot. mag. t. 3106, and fl. Bor.-Am. 2. p. 43; DC. prodr. 7. p. 724. Azalea Lapponica, 

 Linn. Jl. Lapp. p. 89. t. 6. /. 1, and sp. 1. p. 151 ; Fl. Dan. t. 966 ; Bigel. fl. Bast. p. 83. 



Stem partly subterranean ; the numerous rigid straggling branches spreading on the ground, 

 or assurgent, and a few inches high. Leaves mostly crowded toward the summit of the 

 branches, 5-8 lines long and 2-3 broad, thickly marked on both sides with impressed dots 

 or pits, which are closed (especia:lly on the under surface) with ferruginous deciduous scales. 

 Clusters 3 - 5-flowered ; the pedicels and calyx mijiutely scaly. Corolla deep purple, cam- 

 panulate, with oblong obtuse lobes. Stamens about as long as the corolla ; the filaments 

 purple, smooth, except a little woolliness at the base. Style purple, smooth : stigma capitate, 

 obscurely 5-toothed. Capsule oblong-ovoid. Seeds linear-oblong, acute, with a rather loose 

 testa. 



Highest summits of Jlount Marcy and Mount Mclntyre, Essex county. Fl. Early in July. 

 Fr. September. This interesting plant grows also on the White Hills of New-Hampshire, 

 and in the northern regions of both hemispheres. 



^2. Pentanthera, D.Don. {Anthodendron, ^e'lch. Species of .4 ca/ca, Linn, and most authors.) 

 Corolla funnel-form, somewhat irregular : stamens Jive. — Leaves deciduous. 



3. Rhododendron nudiflorum. Tor?: Upright Wild Honeysuckle, 



Leaves obovate-oblong and obovate-lanceolate ; flowers in rather naked corymbs, slightly 

 viscid ; tube of the corolla scarcely longer than the lobes ; stamens much exserted. — Torr. 

 fl.l. p. 424 ; Beck, lot. p. 220; Darlingt. fl. Cest. p. 262 ; Hook. fl. Bor.-Am. 2. p. 42. 

 Azalea lutea, Linn. sp. 1. p. 150. A. nudiflora, Linn. syst. (ed. 12.) 2. p. 154 ; Bot. mag. 

 t. 180 ; Bot. cab. t. 51 ; Ell. sk. 1. p. 240 ; Bigel. fl. Bost. p. 82 ; DC. prodr. 7. p. 716. 

 A. periclymenoides, Miclix. fl. 1. p. 15\ ; Pursh, fl. I. p. 152. A. periclymena, Pers. syn. 

 \. p. 213. . • , . 



A shrub 2-6 feet high, much branched towards the summit, with a reddish bark. Leaves 

 crowded toward the extremity of the branches, finely ciliate, a little pubescent above and on 



