(AER, Jes 
Ruyopopenpron Cavucasicum; var. straminea. 
Caucasian RuopopENDRON; Straw-coloured var. 
SEE HEI IOk 
Class and Order. 
DecanpriA Monoaynia. ~ 
: ( Nat. Ord.—Enricez. ) 
Generic Character. 
Cal. 5-partitus. Cor. infundibuliformis 5-lobus. Stam. 
5—10 declinata : antheris apice biporosis. Capsula 5-lo- 
cularis, 5:valyis, ab apice dehiscens, valvarum marginibus 
inflexis dissepimenta formantibus : Receptaculum centrale. 
Semina membrana involuta. 
Specific Character and Synonyms. 
Ruopopenpron Caucasicum; caule diffuso, foliis elliptico- 
lanceolatis coriaceis supra glabris venoso-reticulatis 
subtus brevissime ferrugineo-tomentosis margine revo- 
lutis, bracteis magnis oblongis concavis persistentibus, _ 
corolla campanulato-infundibuliformi. | : 
Ruopopenpron Caucasicum. Pall. Ross. v. 1, p. 46. t. 31. 
Bot. Mag. t. 1145. Aut. Hort. Kew. ed. 2. v. 3. p, 50... 
Spreng. Syst. Veget. v. 2. p. 92. i 
Var, (B.) staminea ; floribus stramineis, intus fulvo-macu- 
latis. i 
‘eee 
_ The Ruopopenpron caucasicum would appear to be sub- 
ject to much variation in the size and colour of the flowers, 
if we may judge from the only figures I am acquainted 
with, namely, that in the Flora Rossica, and that in the 
Botanical Magazine ; in the former, which we may consi- 
der as the colour of the flowers of the native plant, they 
are comparatively small, and entirely of a delicate pink or 
rose-colour; in Curmis’s figure they are as large as those 
of R. arboreum, pure white within, spotted with green and 
tinged 
