194 
RHODODENDRON dauricum @. atrovirens. 
Siberian Rhododendron; with a purple flower. 
DECANDRIA MONOGYNIA. 
Nat. ord. RHODODENDRA. Jussieu gen. 158. Div. I. Corolla mone 
petala. . e.t 
RHODODENDRON.  Suprà vol. 1. fol. 87. 
В. dauricum, foliis glabris utrinque nudis, corollis rotatis. Linn. sp. pl. 1. 
562, . 
Rhododendron dauricum. Pal. ross. 1. 47. f. 82. Andrems’s reposit. de 
Curtis's magaz. 636. Hort. Kew. 2. 66. ed. 2. 3. 49. :. 
Andromeda foliis ovatis utrinque punctatis. Gmel. sib. 4. 194. n. 10. 
Chameerhododendros folio glabro majusculo, amplo flore roseo. Amm. 
ruth. 181, n. 261. +, 27. n е 
(в) foliis hyeme fusco-purpurasentibus subdeciduis; flore roseo. 
(8) foliis atroviridibus immutato-sempervirentibus ; flore violaceo-rubro. 
Rhododendron dahuricum, В, Curtis's magaz. 1888, UE 
Frutex stoloniferus S-pedalis nunc duplus; caulis truncus. brevis crassus 
nodosus basi tuberiformis, cortice cinereo; rami teretes, stricto-virgati, mon 
flexuosi, decrescenter ramulosi, ramulis іп summilate egeris Soliatis, 
viridi-purpurascentibus, resinoso-punctatis, lanuginosis. olia aromatica, 
coriacea, ovali-oblonga, atrovirentia, emarginato-obtusa, uiringue p ГА 
suprà nitida, subtüs pallidiora resinoso-leprosa, brev? petiolata, Tipi v. нд 
longiora quam lata, lateribus sæpiùs revoluta. Flores ramulorum prioris 
anni terminales, nutantes subsolitarii, è gemma ieee анти juam 
pallid шу 
rotundo-ovate, parvule, obtuse resinoso-punciate: pedunculus 
brevior corolla, carnoso-corrugatus. Cal. disculus crassus тік dupl 
pedunculo cujus concolor et velut apex, obsolet? pentagonus. Cor. subbilabiato- 
rotata, basi breve tubuloso-arctata et extiis quinguan, А semiquinguefida 
lacintis rotundatis undulatis, 8. summis ‚бест: 5 2 mis minoribus, 
Fil. inequalia, longiora excedentia corollam, sanguinea, inate, inferna 
lamuginoso bartata : anth. subrotunde, nigricantes, apice gemino de- 
hiscentes. Stylus staminibus longior, eorum concolor, glaber,. filiformis, 
supra crassior: stig, punctum obtusum рат dilatatum atrosanguineum, sub- 
quinquelobulatum+ germ. conicum, obsoleià pentagonum, resinoso-leprosum. 
In considering the differences between the present plant 
and the one usually known in our collections as the 
RHODODENDRON dauricum, we do not find them of a nature 
to decide the specific separation of the plants; in other 
words, they are differences that do not appear to exceed 
the limits of the variation which daily experience proves 
to take place among the unadulterated offspring of a same 
parent-plant. ` . 
The leaves іп С are of a darker green than in а, and 
