Exxe +] 
RHODODENDRUM OFFICINALE. 
‘Officinal Rhododendrum. 
ORDO NATURALIS. 
 Rhododendra. Juss. Gen. p. 158. 
Calyx 5-partitus, seepe obsoletus. Corolla plus minus infundibuliformis, dorso basis sibbosor: 
Limbus 5-partitus, laciniis 2 inferioribus longioribus : ie Tilamenta 5-10, reclinata, 
P 
minus inequalia. Anthere apice 2-foraminose. Pericarpium superum, 3-10-loculare, " 
apice dehiscens Septis e marginibus valvarum axi fogs solute, Colis bien Stylus superne 
crassior. Semina plus minus scobiformia. rutices, plures sempervirentes. Gemme oblonge, 
tumide. Folia parva aut grandia, apice callosa, in qiiviedion subtus furfurosa. Flores spicis bre- 
vissimis, terminatibus, Pedicelli sepius longi. Bractee 3 interioribus pon: poe ig beens 
ffuc, ut opinor, referende omnes Azalee preter Procumbentem ; numerus enim solus 
in toto ordine ludit, atque herbd inflorescentid, filamentis, antheris, — filo viscido areee 
denique fructu, cum ceteris Rhododendris quam amicissime consentiun 
sig ? 
Rik a. rum laminis 13-22 pollices longis, parum o! obovatis, supra valde reticulatis, adultis utrinque 
glabris : calice repando corolld late infundibuliformi ; tubo brevi, laciniis obovatis. 
Rk, Sheyeantim. Woodv. Med. vo 0. 3.p. 403, c um Ic, ad a i Banksiani. R. 
oe nat Suppl. p. 237. R. Chipsasitbarn. Pall. Fl. Ros 1, p. 44. t. 30. R. Chry- 
santhum. Koelp. Monogr. R. iors Georgi It. p. 214. ‘hedeomed, &c. Gmel, Fl. Sib. v. 4. 
Dee yy Bae Pied 
Sponie nascentem circa Lacum Baical, lateribus montium borealibus, legit J. G. GrorGt 
Flumen Lena abunde, legit J. G. Garay =i tka et Ins. Bee ee J.W. Saks. 
Floret ab initio Junii in Juliuom. 
The natural Order of th 
which have dissepiments coalinea 
them inserted in the midgle of 
be follow Linne i in, ae th as Order 
ce ; under one 
ned; for it y mee ee vie have hitherto ! 
Se same genus, s hy . The gic oe the se 
and seeds in this Order is unquestionab areas sabi that of th e anthers : 
the mode in which the pollen is discharged, appears to me the next material character: a third 
believe will be found inthe general form of ‘the corolla and its being or 3 persistent. orton last a 
distinction indeed ma’ ibly supersede all others, and detach then of our gar 
with some other gear fa fs Eiier by themselves, for I have now see about 8 390 | 
species, es of varieties: but I fear there is no end to them, and thi 
duced ad libitum, as in Pelargonium those alluded to, however, have all b 
eh cred at the Cape. 
To the genus of ee ee therefore, I fave no hesitation in| a . the tom ee 
other authors, except Procumbens: they agree prensstol . a | ria 
grains of pollen adhering to each other by glutinous 
a Ld hee ai! 
the: “gsinge varies exceedingly in length in Fest qaas. ‘and. mere _. an pope ae ae 
of no consequence whatever, for Azalea gE — : $ as few as te 
; ovanas Ferrugineum has often 8, R eary eee ar 
Azalea Indica as many as 10.. The pollen ~ 
evergreen ones, and many individuals raised in this wi 
in Mr, Tuompsoy’s nursery at Mile End. 
. aments, | 
ad, fruit, and ani sede; but the tube of 
