RH E 



601 



RH 



R. pulchra, ■Khich is a biennial. Divi- cies, and many varieties. Hardy and 



sion. Common soil. half-hardy evergreen shrubs, except R. 



R H E E D I A javanica. Stove ever- rhodora, which is deciduous and hardy, 



green tree. Ripe cuttings. Pe^t, loa.m, • R. ponticitm, Common Rhododendron, 



and sand. R. maximum ; R. Caucasicum ; R. cam- 



R HEM AN E.I A ckinensis. IWrdy panulatum ; and R. Catawbiensis, are 

 shrub. Cuttings and layers. Rich light the best hardy species. It is to be re- 

 loam, gretted that such a noble evergreen 



RHEUM. Rhubarb. Fifteen spe- shrub as R. maxiinum should be so sel- 



cies. Hardy fusiform-rooted peren- dom seen in our grounds. Here in the 



nials. Division or seed. Rich loamy United States, where it is indigenous, 



soil. See Rhubarb. 



it is really less known than in England, 



RHEXIA. Four species. Hardy herb- where it forms one of the main features 



aceous perennials. Division. Peat soil, of the undergrowth in lawns and plea^ 



R HINOPETALUM karelini. sure grounds, — when will Americans 



Hardy tuberous-rooted perennial. Off- learn to estimate as they deserve, their 



sets. Light rich soil. own natural products! From the above 



RHIPODENDRON plicatile, and its named species have been obtained the 



variety. Green-house evergreen shrubs, following superior 

 Suckers or leaves slightly planted. 



Sandy loam and peat. 



RHODANTHE min^lfsii. 



Varieties. — R. Russellianum, scarlet ; 

 R. Lowei, pale straw; R. tigrinum, 

 fireen- pale rose: R. nobleanum, dark red ; 



house annual. Dr. Lindiey recommends R. splendidum, (Cunningham's,) white ; 

 that " its seeds should be sown at two | R. altaclerence, scarlet; R. multimacu- 

 seasons: the first about the beginning latum, pale rose, spotted ; R. arboreum 

 of September; the second about the roseum, bright rose ; R.Victoria, deep 

 end of February. The soil the seeds red; R. venustum, pink ; R. augustum, 

 are sown in should be rather strong, pale flesh spotted ; 11. pulcherrimum, 

 but not rich, for the first sowing, con- scarlet ; R. grandiflorum, (Cunning- 

 sisting of a mixture of sandy loam and | ham'Sjl pale flesh; R. macranthum, 

 leaf-mould. They should be sown in rose; R. Knightii, scarlet ; and R. Car- 

 pots and placed in a cold pit or frame, ! narvonianum, bright rose, 

 if sown in the autumn, which should be Hybrids with Azalea. — R. Adonsonii ; 

 kept close until the plants are up. The R. Azaleoides; R. azaleoides album ; 

 young plants should be potted otf when R. fragrans; R. luteum; and R. Gow- 

 emall, for if allowed to get large before ' erianum. 



potting, they never do any good ; put a Green-house Species and Varieties. — 

 single plant into a small sixty-pot, they ' R. anthopogon, purple ; R. arboreum 

 must then be returned to the pit or cinnamomeum, reddish purple ; R. lap- 

 frame, and keptclose until they recover ponicum, crimson; R. setosuni, purple, 

 the effects of the shift ; afterwards hard- i Characteristics of Excellence. — Mr. 

 en by admitting air. Then when there Glenny gives the following good crite- 

 is danger of frost, remove them to an ria : — " The flower large, circular, and 

 airy part of the green-house for the campanulated, or hollow like a globular 

 winter, taking care that they are not cup. The five divisions of the petals 

 over watered ; for much depends on should be concealed by means of the 

 the manner in which they are treated lapping over. The petal thick, smooth- 

 during the winter, as too much or too edged, and stiff. The truss, pyramidal 

 little water will destroy the healthiest or dome-shaped, standing clear of the 

 plants in a short time. In the spring, foliage; the flower compact, touching, 

 February, repot them into a richer but but not crowding each other; footstalks 

 light sandy soil, and place them in a stifle and elastic. The colour brilliant, 

 warmer and moister situation, and pinch ! the spots distinct and contrasted, and 

 off'all the first flowers as they appear. ! stand well without fading. The plant 



" The spring-sown plants may be should be bushy, the foliage bright, 

 treated like other half-hardy annuals, clear, green, large, and disposed ail 

 only they must have plenty of air to round the branch, especially round the 

 keep them from being drawn up weak- ' flower ; the stems should be well cover- 

 ]y," — Card. Chron. \ ed with leaves, and the bloom should 



RHODODENDRON. Twentv-six spe- be abundant. It should not bloom 



