ENCYCLOPHDIA OF GARDENING. 
Rose-scented Geranium (Pelargonium capitatum).—See 
Pelargonium. m 
Rosette Mullein (Ramondia pyrenaica).—See Ramondia. 
Rosin-weed (Silphium laciniatum).—See Silphium. 
Rosmarinus (Rosemary).—Ord. Labiate. Hardy evergreen 
shrub. First introduced 1548. Leaves, highly fragrant. 
CULTURE: Soil, ordinary, freely mixed with old mortar. Posi- 
tion, dryish border at base of a south or west wall; rarely does well 
in open garden. Plant, April. Water freely in summer. _Propa- 
gate green-leaved kind by seeds sown }in. deep in sunny border out- 
doors in April; green & variegated sorts by cuttings Gin. long, 
removing leaves from lower halt, inserted in shady border in spring or 
summer; also b eyoring strong shoots in summer. 
SPECIES CULTIVATED: R. officinalis, purple, Feb.. 7 to 4 ft., 8. Europe. 
Rosy-flowered Bramble (Rubus spectabilis)—See Rubus. 
Rouen Lilac (Syringa sinensis).—See Syringa. 
Rouen Violet (Viola rothamagensis).—_See Viola. 
Roupala.—Ord. Protacez. Greenhouse evergreen shrubs. Orn. 
foliage & flowering. First introduced 1802. Leaves, simple or feather- 
shaped, covered with brownish wool. 
CULTURE: Compost, equal parts fibrous loam, leaf-mould, peat, & 
little sand. Position, large pots or tubs in lofty sunny greenhouse 
or conservatory. Pot, Feb. or March. Water freely, April to Sept. ; 
moderately afterwards. No syringing required. Temp., Sept. to 
March 45° to 50°; March to Sept. 55° to 65°. May be stood outdoors 
in sup i position, June to Sept. Propagate by cuttings of frm shoots, 
inserted in pure silver sand, in well-drained pots, under bell-glass in 
temp. 55° to 65°, summer. 
Ph el OULTIVATED: R. elegans, 6 to 10 ft., and Pohlii, 6 to 15 ft., 
raz. 
Rowan-tree (Pyrus aucuparia).—See Pyrus. 
Royal Brunswick Lily (Brunsvigia Josephinx).—See Bruns- 
vigia. 
Royal Fern (Osmunda regalis).—See Osmunda. 
Royal Water-Lily (Victoria regia) —See Victoria. 
Royle’s Flea-bane (Erigeron Roylei).—See Erigeron. 
Rubus (Raspberry; Blackberry; Dewberry; Loganberry; Wine- 
berry).—Ord. Rosacee. Hardy fruit-bearing & flowering shrubs & 
perennials. 
CULTURE OF RASPBERRIES: Soil, deep, rich moist loam, light 
ordinary or peaty; clay soils unsuitable. PP ocitiot, open sunny, or 
partially shady one. Plant, Oct. to March. Distances for planting: 
Singly, 2ft. apart in the row, & 5ft. between the rows for training 
to wire trellis; in groups of three canes, 3ft. apart in row, & 5 ft. 
between cows; singly 1ft. apart in rows 4 ft. asunder for field culture. 
Pruning: Cut canes off to within Gin. of ground first year; succeed- 
ing years, cut off old canes immediately after fruiting close to ground, 
& reduce number of young canes at each root or stool to three or four 
of the strongest. Remove tips of latter in Nov. or Dec. Apply 
decayed manure annually in Nov., forking it in 3in. deep only. Mulch 
with littery manure in April on dry soil. Water copiously with liquid 
manure during bearing period. Remove suckers appeariug away from 
base ef “stools.” Avoid deep digging. Chemical manures (1) 1} 02. 
each of superphosphate of lime & kainit per square yard forked in 2in. 
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