80 



habit, with brown-felted young 

 branches. Leaves narrowly elliptic 

 to lanceolate, coriaceous, dark green, 

 densely covered with a brown woolly 

 tomentum when young. Flowers 

 medium-sizedj rose-pink. Western 

 China. (Arnold Arboretum; H. A. 

 Hesse, Weener, Hanover.) 



""Rhodocfendron longistylum. (PL 



Wils, i. 514; M, Z>. G. 1913, 269.) H. 

 A pretty species allied to R. micran- 

 thumy but the small oblanceolate or 

 oblong-lanceolate leaves are less lepi- 

 dote, and the numerous whitish 

 flowers, arranged in an umbellate 

 raceme, are larger and differently 

 shaped. It is remarkable for the 

 great length of its pistil. Western 

 China. (Arnold Arboretum; H. A. 

 Hesse, Weener, Hanover.) 



^Rhododendron lutescens. (/. //. F, 



1913, 162.) H. Shrub about 3 ft. 

 high, w4th slender branches. Leaves 

 persistent, ovate-lanceolate, acumi- 

 nate. Flowers in the axils of the 

 upper leaves. Corolla 2-2^ in. across, 

 very open, beautiful clear yellow^ with 

 some greenish-yellow spots towards 

 the base of the uppermost lobe. 

 Stamens 10; filaments pilose at the 

 base. Western China. (Arnold Ar- 

 boretum; M. L. de Vilmorin, Les 

 Barres, France.) 



(PL 

 269.) 



hairy 



^Rhododendron moupinense. 



Wih, i. 525; M. D. G. 1913, 

 H. A dwarf shrub with short hairy 

 young branches. Leaves small, ovate 

 to elliptic, thick, dark green, 

 when young. Flowers white, medium- 

 sized. Western China. (Arnold Ar- 

 boretum ; H. A. Hesse, Weener, 

 Hanover.) 



""Rhododendron nigropunctatum, (B. 



M. t. 8529.) H. piosely allied to 

 M. intricofum, which, on its first 

 appearance in cultivation, was sup- 

 posed to be R. niffropunctatum. It 

 has a similar very dwarf habit, small 

 leaves and flowers, but the latter are 

 solitary or in pairs, the calyx-lobes 

 are longer, and the stamens and style 

 more exserted. Szechuan, China, (J. 

 Veitch & Sons.) 



Rhododendron oreodoxa. 



kaeTnatocheiJum, 



See E 



^Rhododendron pachytrichum. (PL 



tri7.'.i.530; Ji. D. G. 1913, 269.) H. 



A compact-growing shrub. Branches 

 long, covered when young with brown 

 woolly hairs. Leaves narrow, deep 

 green ; petiole hairy. Flowers white. 

 Western China. (Arnold Arboretum ; 

 H. A. He^e, Weener, Hanover.) 



"Rhododendron pallidum. (G. C. 



1913, liii. 230, 1264, 332, 343.) H. 

 Possibly a hybrid between R. vtrga- 

 '■ Uini and R/hirsutu/n. It has been 

 in cultivation for several years imder 

 the name of R. virgalmh album, 

 [ = R. edinrme; G. C. 1913. liii. 264; 

 not R. edineme of G. C. 1892, xii. 

 762, which is a hybrid between R, 

 NuttaUU and R. Henryanum.'] 



♦Rhododendron polylepis. {PL Wils. 



i. 521; M. D. G. 1913, 269.) H. 



This is an earlier name for the 

 species included in the 1910 list as 

 R. Harrovianum, 



[Veitch^ N, 

 A distinct 



"Rhododendron Ririei. 



H. P. 1913, 12.) H. 

 species. Leaves oblong - lanceolate,, 

 deep green above, grey beneath. 

 Flowers w^hite, about 10, borne in 

 short racemes. Western China. (J, 

 Veitch & Sons.) 



""Rhododendron Searsiae. (PL Wils, 



i. 522, M. D. G. 1913, 269.) H. 

 Shrub growing to 27 ft high. Leaves- 

 oblanceolate or oblong - lanceolate, 

 1 1-3 J in. long, ^1 in. broad, finally 

 glabrous above, glaucescent and 

 sprinkled with brown scales beneath. 

 Flowers 4r-S in an umbel, 1-H i^- 

 long, \\-\\ in. across, white or pale 

 purple. Western China. (Arnold 

 Arboretum; H. A. Hesse, Weener, 

 Hanover.) 



^Rhododendron yanthinum. (PL 



Wils. i. 519; M. D. G. 1913, 269.) 

 H. An earlier name for the species 

 included in the 1907 list as 7f. jBen- 

 thamianum. 



Rhodospatha Forgetii. {K, Z?. 1913, 



358.) Araceae. S. Stem climbing. 

 Leaves spreading ; blade oblong-lance- 

 olate, 16-20 in. long ; petiole about 

 12 in. long. Peduncle 6 in. long. 

 Spathe broadly elliptic, 6 in. long, 

 dirty pale rose-w'hite outside, dirty 

 rose inside. Costa Rica. (F. Sander 

 & Sons.) 



Rhynchostylis retusa alba. (0. Tf. 



iii. 74, f.) Orchidaceae. S. Flowers 

 entirely white. (G. H. Muller- 

 Abeken, The Hague, Holland.) 



Ritaia himalaica. (0. R. 1913, 175.) 



Orchidaceae. G. Stems somewhat 

 branched. Leaves lanceolate. Flowers 

 axillary and solitary, inconspicuous, 

 under \ in. across, whitish-green, 

 with purple margins to the petals- 

 and a yellow swollen apex to the lip. 

 Himalaya. (Kew.) 



Robinia Hartwig:ii. (J/. 7). <7. 1913, 1.) 



Leguminosae. H. Possibly a hybrid 



