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RHODODENDRON ARBOREUM. 
Tree Rhododendron. 
DECANDRIA MONOGYNIA.—Nar. Onp. ERICE£. 
Gen. Coar.—Cal. 5-partitus. Cor. subinfundibuliformis. Stam. declinata. 
Caps. 5-locularis. 
Rhododendron arboreum; foliis obovato-lanceolatis supra glabris sub- 
tus argenteis, floribus capitatis, corollee limbo undulato denticulato, 
_ germmibus pubescentibus, staminibus stylo brevioribus. 
Rhododendron arboreum, Smrru, Ex. Bot. t. 6.—Linpt. in Bot. Reg. t. 890. 
—Don, Prodr. Fl. Nep. p. 154. 
Rhododendron puniceum, “ Rox. Hort. Beng. 33." 
Trunk erect, reaching to several feet in height, bearing many spreading 
_ branches, in irregular clusters from the extremities. Leaves. from the 
top of the annual shoots, obovato-lanceolate, coriaceous, narrow at the 
base, subacute at the point, glabrous, green above, silvery white be- 
neath, the effect of excessively short and dense shining tomentum ; mid- 
rib strong, lateral veins parallel. Petioles short, eo green and 
grooved above, red beneath. 7 
Flowers in large and terminal dense, hemispherical clusters or Heads, Pe- 
_duncles short, white, downy. Bractew 3 at the base of each, caducous: 
the lowestehalf the length of the corolla, large, linear-oblong, white, 
silky and membranaceous; the other two much smaller and narrower, 
white, downy, especially at the apex. Calyx small, 5-toothed. Corolla 
campanulato-infundibuliform, oblique, of a rich vermilion colour, vein- 
ed and marked with many dark spots or lines on the upper and inner 
: side; at the base with 5 prominences or gibbosities, which form so 
many nectaries within, of which the upper one is the largest, and distils. 
a great quantity of a sweetish transparent fluid ; at the extremity cut 
into 5 rounded lobes, crenate and waved, lower segments the narrowest. _ 
Stamens 10, declined: Jilaments of. unequal length, filiform, white; an- 
thers small, brown, incumbent, obovate, 2-celled, the cells opening each 
with a pore at the extremity ; pollen yellow ; granules in threes. Pis- 
til: germen small, ovate, greenish, ribbed, pubescent ; style filiform, 
white, as long as the limb of the ool and bie atl than the filaments ; 
stigma capitate, red. | 
VOL. If. 
