ENCYCLOPEDIA OF GARDENING. 
gate by cuttings inserted in sandy peat under bell-glass in temp. 55° 
to 65° in March, April, or May. 
SPECIES CULTIVATED: D. ericoides, white, spring, 2 to 3 ft., S. Africa. 
Diospyros Date Plum; Persimmon).—Ord. Ebenacew. Hard 
deciduous trees. First introduced 1596. Fruit yellow, plum-shaped, 
sweet flavour. 
CULTURE: Soil, ordinary. Position, shrubberies for D, Lotus and 
D. virginiana; south wall for D. Kaki, except in extreme S. of Eng- 
land. Plant, Oct to Feb. Prune similarly to apple trees. Propagate 
by seeds sown 1 in. deep outdoors in Sept. or Oct. 
SPECIES CULTIVATED: D. Kaki (Date Palm), white and green, spring, 12 to 
20 ft., China; Lotus (Common Date Palm), reddish white, July, 20 to 30 ft., 
8. Europe; virginiana (Persimmon), yellow, July, 20 to 30 ft., N. America. 
Diphylleia (Umbrella-leaf)—Ord. Berberidacew. Hardy her- 
baceous perennial. First introduced 1812. 
CULTURE: Soil, peaty. Position, moist shady borders. Plant, 
Oct. to March. Propagate by division of plants in March or April. 
SPECIES CULTIVATED: D. cymosa, white, May, 1 ft., N. America. 
Diplacus.—See Mimulus. 
Dipladenia.—Ord. Apocynacee. Stove flowering climbers. 
Evergreen. First introduced 1841. . i 
CULTURE: Compost, rough fibry peat & one-fourth silver sand. 
Position, well-drained pots, with shoots trained to roof of stove or to 
wire trellis. Pot, Feb. or March. Prune, Oct., cutting away shoots 
that have flowered only. Water very little Oct. to Feb., moderately 
Feb. to April, freely afterwards. Temp., Oct. to Feb. 55° to 60°; Feb. 
to Oct. 65° to 75°. Propagate by cuttings of young side shoots 3 in. 
long inserted in pots of sandy peat under bell-glass in temp. 80° in Feb., 
March, or April 
SPECIES CULTIVATED: D. atropurpurea, purple, summer, 10 ft., Brazil; 
belongs whale and yellow, summer, 8 to 10 ft., Bolivia; Sanderi, rose, summer, 
VARIETIES CULTIVATED: D. amabilis, rosy crimson, summer, 10 to 12 ft.; 
brearleyana, crimson, summer, 12 ft.; hybrida, crimson, summer, 10 ft.; profusa, 
carmine, summer, 10 ft. 
Diplopappus.—See Cassinia. 
Disa (Flower of the Gods; Table Mountain Orchid).—Ord. Orchi- 
dacew. Greenhouse terrestrial orchids. First introduced 1825. 
CULTURE: Compost, equal parts peat & living sphagnum moss. 
‘Position, pots or pans, well drained, in shady cold greenhouse Sept. to 
June; shady. corner outdoors June to Sept. Pot, Feb. keeping roots 
well above rim. Water moderately Sept. to March, freely afterwards. 
“Atmosphere airy, but not draughty. Resting period, autumn. Grow- 
ing period, Dec. to June. Flowers appear in centre of new growth. 
Propagate by seeds sown on living sphagnum moss under bell-glass 
in cold greenhouse in spring. 
SPECIES CULTIVATED: PD. Barellii, orange, scarlet, and crimson, June, 
8. Africa; Cooperi, carmine-rose, June, 1 to 2 ft., 8. Africa; cornuta, yellow, 
carmine, and purple, winter, 10 in., S. Africa; crassiocornis, white and purple, 
Sept., 1 to 2 ft., 8S. Africa; graminifolia, blue, June, 18 in., 8. Africa; grandi- 
flora, crimson, July, 1 ft., S. Africa; incarnata, orange and red, June, 1 ft., Mada- 
gascar; racemosa, rosy purple, summer, 18 in., S. Africa; Veitchii, rosy purple, 
summer, hybrid. 
Dittany (Dictamuus albus).—See Dictamnus, 
Dittany of Crete (Origanum dictamnus).—See Origanum. 
Dodecatheon (American Cowslip)—Ord. Primulacex. Hardy 
herbaceous perennials. First introduced 1744, 
OUTDOOR CULTURE: Soil, light loam enriched with plenty of 
141 
