ата» 40 
195 
RHODODENDRON: hybridum; bigener. 
. Mr. Herbert's Mule Rhododendron. 
—— ` 
DECANDRIA MONOGYNIA. 
Nat. ord. RHODODENDRA. Jussieu gen. 158. Div. 1. Corolla monos 
pétala. | | 
RHODODENDRON. Supra vol. 1. fol, 37. 
Rhododendron hybridum ; bigener. 
Pater. Rhododendron maximum. Ez Dom. Herbert: 
Mater. Azalea viscosa; var. glauca. Ex Dom. Herbert. 
Convenit cum patre, foliis coriaceis sempervirentibus, numero staminum,, 
rubedine et expansione limbi сотой ; cum matre foliorum glaucedine et horum 
majore in utrumque finem attenuatione, corolla tubo cylindracea-elongato ef 
albo; vicissimque ez utrinque quoad alía plura minoris nota. 
ТОҒ the existence of hybrid or mule productions from 
two plants of distinct species of the same genus, or even of 
different nearly allied genera, по one сап have to be те 
formed at this time of day. The present pretty shrub is ап 
instance of this kind, having been raised by Mr. Herbert, 
at Spofforth, near Wetherby, 'fronr seed ripened on the 
common. white glaucous-leaved AzaLE4; in the flower. of 
which the pollen or dust from the-anthers of Кнорорем- 
рвом maximum had been purposely. substituted for that of 
its. own flower. mE : 
Mr. Herbert, to whom we feel greatly obliged for this 
very curious specimen, and for the information relating ta 
it, says; “that the plant is now four years old, and forms a, 
* straight upright growing branching shrub, of about three 
* feet in height, and about the thickness of a finger near 
“ the root: that the young leaves on their first appearance 
© are pubescent, and of a lively pale green colour, and not 
* glaucous, but lose their pubescence, and acquire a re- 
* markably glaucous hue as they harden, especially in the, 
* autumn: the rind brown, and splitting like that of hazel- 
“wood: that the inflorescence on a warm sunny day dif- 
© fuses a considerable fragrance: that the plant from which 
* the drawing was made, had been flowered in the hot- 
* house, and is at present unique; only one seed having been 
