7. 



RHODODENDRON ARBOREUM. 



Indian-tree Rose-bay, 



DecANDRIA. MONOGYNIA. 



Class 10. Order 1. 



RiiODODENDKON. 'PoSoSsv8pov of Dioscoridcs : from foSov, a rose, 

 and hvSpov, a tree. 



Linn. gen. n. 548. Don's Prod. Flora Nepalensis, p. 154. 



GENERIC CHARACTER. 



Cat. Perianth five-parted, permanent. Cor. one-petaled, wheel 

 funnel-form ; border spreading, with rounded segments. Stam. 

 Filaments ten, filiform, almost the length of the corolla, declined. 

 Anthers oval. Pist. Germ five-cornered, retuse. Style filiform, 

 the length of the corolla. Stigma obtuse. Per. Capsule ovate, 

 subangular, five-celled, divisible into five parts. Seeds numerous, 

 very small. 



SPECIFIC CHARACTER. 



Leaves lanceolate, acute, silvery underneath. Flowers in clusters. 

 Peduncles and calyx downy. Corolla bell-shaped, margin crenu- 

 lated, two-lobed. Capsule ten-celled, tomentose. 



Stem twenty feet iii height ; branches dichotomous, ascend- 

 ing. Leaves at the end of the branches, ovate-lanceolate, on 

 short petioles, bright green on the upper surface, downy be- 

 neath ; midrib strong, mucli veined. Flowers deep crimson, 

 fi'om ten to twenty in clusters at the extremity of the branches. 

 Calyx permanent, small, five-clell. Corolla bell-shaped, dotted 

 in the throat, lobed. Stamens ten, shorter than the corolla, 

 falling with it. Anthers oblong. Germ superior, cylindrical, 

 white, downy. 



