80 



young leaves axid showy white or 

 pale cream-coloured flowers. China. 

 (Miss Willaiutt.) [= 2t Hanceanum, 

 Kemsl.] 



lihocfodendron Wilsonae. {Bean, T, 



d: 6\ ii. 386.) H. An evergreen shrub 

 up to 6 or 7 ft. high. Leaves nar- 

 rowly oval or oval-lanceolate, acu- 

 minate at the apex, 2^-4^ in, long, 



1-1 J in. broad, glabrous ; petiole 

 up to J in. long. Flowers slightly 

 fragrant, solitary, axillary, 4-6 at 

 the ends of the shoots. Corolla pale 

 purple, about 2 in. across, funnel- 

 ahaped at the base, 5-lobed. Central 

 China. (J. Veitch & Sons.) 



^Rhododendron Wiltonii. (Bean, T, 



A S, ii. 386.) H. An evergreen 

 shrub up to 8 ft. high, characterised 

 by the young shoots, underside of 

 the leaves and the ovary being 

 densely clothed with a pale brown 

 wool, and by the deeply wrinkled 

 leaves, which are obovate, 2-3^ in. 

 long and J-IJ in. broad. Flowers in 

 a cluster of 6 or more. Corolla pink, 

 canipanulate, 1^ in. across, with 



5 almost erect lobes. Western China. 

 (J. Veitch & Sons.) 



♦Rhus HenryL ((?. C. 1914, Iv. 345; 



Bran, T, d^ S. ii. 393.) Anacar- 

 diaceae. H. A large deciduous 

 shrub or small tree. Leaves pinnate, 

 10 16 in, long; leaflets 7-11, oblong 

 to oblong-lanceolate, 2^-5 in. long, 

 1-1| in. broad, entire or sparingly 

 toothed. Flowers small, greenish- 

 white, in terminal pyramidal panicles 

 -S~7 in. long._ Fruits* rich red, downy, 

 about the size of peppercorns. Cen- 

 tral and Western China. (Arnold 

 Arboretum ; Hon. Vicary Gibbs. ) 

 [According to PL Wils. ii. 177, this 

 IS the plant in gardens and included 

 m the list of 1908 as i?. sinica, and 

 its correct name is R, Potajunii, 

 Maxim. The true R. sinica, Diels 

 (== ^- punjabensh, var. sinira, Rehd. 



6 Wils.), is now in cultivation. See 

 Bean, r. diS, ii. 393.] 



*Ribes Brocklebankll. (Q. c. 1914 



Iv. 402: G M. 1914, 477.) Saxi! 

 fragaceae. H. A sport from R. san- 

 gmnnim. Leaves golden-yellow. (T. 

 Wmkwortfa.) [ff. sanguineum aurcum 

 Brockhbankii; G. C. 1014, Iv. 422.] 



RIbes curvatum. {Bean, f . rf, 8 ii 



401.) H. Closely allied to i?. niveum, 

 which it resembles in its white flowers 

 and hairy style and stamens, but it 

 differs m the glandular ovary and 

 often glabrous anthers, and it is 

 much dwarfer in habit. The plant 

 IS armed with slender simple or triple 

 spines, and has roundish S-5-lobed 





leaves, usually 1 in. or less across, 

 South-Eastern United States. (Arnold 

 Arboretum; Kew.) 



Ribes Henryi. [G. C. 1914, Ivi. 29.) 



H, A dioecious species resembling 

 R, Imirifolinrnj being spineless- and 

 having persistent entire leathery 

 leaves, but it is viscid, and the 

 fruit is green, glandular and hispid. 

 Western China. (Edinburgh B. G.) 



*Ribes montigenum. [Bean, T. S S. 



ii. 403. ) H . Intermediate between 

 the sections G rossularia and Ribesia, 

 and allied to R, lacustrCj but it has 

 shorter racemes of only &-10 flowers, 

 and bright red fruits. Western North 

 America. (Kew.) 



Ribes wollense- {K. B, 1914, 49, 382, 



foot-note, t.; O. C, 1914, Iv. 406.) 

 H. The name given to a plant sup- 

 posed to be a hybrid between R, 

 nigrum and R. Grossularia, but since 

 identified with the North American 

 R. divaricatuiiij Dougl. (W. J. Bell.) 



*RomanzofTia unalaschcensis. {G. C 



1914, Iv. 411, as R. nnalachcensis.) 

 Hydrophyllaceae. H. A small plant 

 with smooth leaves and white flowers, 

 closely resembling some of the Saxi- 

 frages. Unalaska and neighbouring 

 islands. (S. Arnott.) 



*Rosa corymbulosa. (S. M, t. 8566.) 



Rosaceae. H, A distinct new^ species 

 with imarmed or sparingly prickly 

 branches and numerous small flowers 

 in corymb-like inflorescences. Flowers 

 f-1 in. across. Petals broadly ob- 

 cordate, deep rose above, white at 

 the base. Fruits globose, glandular, 

 about ^ in. long, crowned by the 

 persistent sepals. Central China. 

 (Arnold Arboretum; Kew.) 



Roscoea alpina. (Gard, 1914, 159.) 



Scitamineae. H. A very hardy 

 free-growing plant with fine purple 



flowers. Himalayas. (Bees, Ltd.) 



^Rubus Lamberttanusy var. glaber. 



{Bean.T. db S. ii. 462.) Eosaceae. 

 H. Differs from the type in having 

 round stems, which like the leaves 

 are smooth or nearly so, and yellow 

 instead of red fruits. China and 

 Japan. (Arnold Arboretum.) 



""Rubus malifolius. {Bean, T. Jb S, 



il 463.) H. Stems prostrate or 

 climbing, sparingly armed with 

 short recurved prickles. Leaves oval 

 or ovate, 2-5 in. long, 1-2 in. 

 broad, broadly and shallowly toothed. 

 Flowers 1 in. across, in terminal 

 racemes 2-4 in. long. Fruits rather 

 large, black, of an unpleasant flavour. 



