RhODODENDEEAE ASIAE OKIENTALIS. 



7 



brève petiolata, elliptica, intégra, margine revoluta, glabra, rigide coriacea. Inflorescen- 

 tia Phyllodoces, sed pedunculi brèves. 



L. procumbens Desv. 1. c. — DC. 1. с. c. syn. — Led. 1. c. p. 918. c. syn. — Rgl. FI. 

 Ajan. n. 192. — Trtv. et Mey. Fl. Ochot. p. 63. n. 221. — Maxim. Primit. Fl. Amur, 

 p. 189. — F. Schmidt. Fl. Sachal. in Mém. Acad. Pétersb. 1. с. p. 157. п. 293. 



Hab. in regione Transbaicalensi (Tilesius!), in Sibiria orientali pluribus locis, v. gr. 

 circa Ajan, locis aridis et in pinetis, Junio flor'. (Tiling!); in Mandshuria Rossica, ad ostium 

 fl. Amur (Orlow!); mSaclialin boreali, fine Maji florens (F. Schmidt, Glehn); Kamtschatka!, 

 frequens; terra Tschuktschorum, ad sinum St. Laurentii (Chamisso!). — Crescit praeterea 

 in Rossia arctica!, Norvegia!, alpibus Europae mediae!, Islandia!, America arctica! usquc 

 in Labradonami et Terram Novam, et in montibus Albis reipubl. New-Hampshire (ex A. 

 Gray. Man. Fl. North. U. S.). 



EURHODODENDREAE. 



Flores saepe subirregulares ex apice ramorum anni praeteriti, corymboso-racemosi 

 vel subumbellati , axi communi ad basin squamas imbricatas flores fulcientes proferente 

 brevissima, rarissime etiam folia nonnulla emittente, tunc plus minus elongata (in Rhodo- 

 dendris duobus). Bracteolae binae membranaceae fugaces, rarissime (in sect. TJierorhodio 

 gen. Rhododendri) foliaceae, apice, medio, rarissime supra basin pedicelli dispositae. Semina 

 scobiformia, testa plus minus relaxata utrinque in appendiculam corrugatam elongata. — 

 Arbores vel frutices altiores, rarissime humiles caespitosi, foliis persistentibus vel annuis. 



Menziesia Sm. 



Smith. Ic. ined. III. M 59. — Salisb. Parad. Lond. As 44. — DC. 1. c. p. 713. 



— Menziesia, sect. Arcimbalda En dl. Gen. p. 755. 



Calyx 4-vel 5-dentatus, -fissus vel -partitus. Corolla urceolata, rarissime infundibuli- 

 formi-tubulosa, limbo brevi 4-v. 5-dentato vel lobato, saepius regularis, rarius leviter 

 incurva, limbo sursum spectante, obliquo. Stamina rarissime simplici, plerumque duplici 

 loborum corollae numéro, itaque 5, 8 vel 10, libéra, inclusa, aequalia, recta, rarissime sub- 

 inaequalia leviter incurva. Filamenta subulata, elongata, saepius pubescentia. Antherae 

 lineares, basi breviter subsagittatae, apice plus minus attenuato poro obliquo minuto deor- 

 sum acuto déhiscentes, in un a specie late oblongae poro amplissimo rimaeformi apertae. 

 Ovarium subglobosum, stylo cylindrico recto vel incurvo, stigmate truncato, rarissime 

 parvo capitato. Capsula 4-vel 5-locularis, globosa vel ovalis, septicida, lignosa, calyce per- 

 sistente fulta. Se mina numerosa, scobiformia. — Frutices elatiores, verticillato-ramosi, 

 habitu Azalearum. Gemmae floriferae ex apice ramorum anni praecedentis , foliiferae illis 

 approximatae laterales, utraeque tegmentis membranaceis 3 — 4-seriatis imbricatis tectae. 

 Folia annua, membranacea, elliptica, obovata vel ovalia, plerumque ciliata, subtus secus 

 nervös paleis subulatis niajusculis adpressis adspersa. Flores nutantes, umbellati vel bre- 



