ENCYCLOPEDIA OF GARDENING. 
Rochea. — Ord. Crassulacee. Greenhouse succulent plants. 
First introduced 1795. 
CULTURE: Compost, equal parts sandy loam, brick rubble, dried 
cow manure & river sand. Position, well-drained pots in light green- 
house, close to glass. Pot, March. Water freely, April to Aug.; 
moderately, Aug. to Nov.; very little afterwards. Prune old plants 
after flowering, shortening shoots to lin., & repot when new shoots 
are lin. long. Temp., March to Sept. 55° to 65°; Sept. to March 
45° to 50°. Propagate by seeds sown in well-drained pots or pans of 
sandy soil, just covering seeds with fine mould, in temp. 60° to 70° 
in March or April; seedlings to be kept close to glass & have little 
water; cuttings of shoots, 2 to 3in. long, exposed to sun for few days, 
then inserted in June, July, or Aug. in well-drained pots of sandy soil, 
placed on greenhouse shelf & given very little water. 
SPECIES CULTIVATED: R. coccinea, scarlet, July, 1 ft., S. Africa; jasminea, 
white, spring, 6 to 9 in., S. Africa; versicolor, white, spring, 2 ft., S. Africa. 
See also the genus Crassula. 
Rock Brake-fern (Cryptogramme crispa).—See Cryptogramme. 
Rock Broom (Genista tinctoria).—See Genista. 
Rock Candytuft (Iberis saxatilis)—See Iberis. 
Rock Cress (Arabis albida and Aubrietia deltoidea).—See Arabis 
and Aubrietia. 
Rock Daphne (Daphne rupestris)—See Daphne. 
Rockfoil.—See Saxifraga. 
i foo Forget-me-not (Omphalodes Luciliz)—See Ompha- 
odes. 
Rock Gromwell (Lithosperum petraum).—See Lithospermum. 
Rock Jasmine.—see Androsace. 
Reck Knot-weed (Polygonum vaccinifolium).—See Polygonum. 
Rock Larkspur (Delphinium ajacis).—See Delphinium. 
Rock Lychnis (Lychnis Lagasca).—See Lychunis. 
Rock Mad-wort (Alyssum saxatile).—See Alyssum. 
Rock Navel-wort (Omphalodes Luciliz).—See Omphalodes. 
Rock Pink (Dianthus petrzus).—See Dianthus. 
Rock Purslane (Calandrinia umbellata).—See Calandrinia. 
Rock Rose.—See Cistus. 
Rock Soap-wort (Saponaria ocymoides).—See Saponaria. 
Rock Speedwell (Cerontea saxatilis & V. rupestris).—See 
Veronica. 
Rock Spleenwort (Asplenium fontanum).—See Asplenium. 
Rock Stonecrop (Sedum rupestre).—See Sedum. 
Reck Wallflower (Erysimum pulchellum).—See Erysimum. 
Rock Woocd-Lily (Ranunculus Lyalli).—See Ranunculus. 
Rock Yarrow (Achillea rupestris)—See Achillea. 
Rocky Mountain Columbine (Aquilegia cerulea). — See 
Aquilegia. 
Rodgers’ Bronze-leaf (Rodgersia podophylla). — See 
Rodgersia. 
Rodgersia (Rodgers’ Bronze-leaf).—Ord. Saxifragacee. Hardy 
herbaceous perennial. Orn. foliage. First introduced 1880. Leaves, 
very large, bronzy green. 
CULTURE: Compost, two parts peat, one part loam. Position, 
partially-shaded_border. Plant, March or April. Water freely in 
dry weather. Protect in severe weather with covering of fern fronds 
or litter. Propagate by ae of rhizomes, March or April. 
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