ENCYCLOPHDIA OF GARDENING. 
autumn, ploughing in 15 tons of rotten dung and 3 cwts. of kainit 
per acre. Before sowing apply 5 cwts. superphosphate per acre, & 
4ewt. nitrate of soda per acre a month after sowing. Sow Horn 
varieties in March, others in April & May. Thin Horn varieties to 
6in. & others to 9in. apart. arket in bunches of fifteen to thirty 
carrots, according to size; late crops in bags or bushel baskets. Roots 
best washed. uantity of seed to sow an acre, 8lb.; row of 50 ft., 
loz. Average yield per acre, 600 bunches or 500 bushels. ‘Longevity 
of seed, 4 to 5 years. Cost of thinning per acre, 5s.; digging, wash- 
ing, & bunching, 7s. per doz. bunches; Witting & harvesting, 22s. to 
26s. Germination of seed, 12 to 18 days. Carrots arrive at maturity 
24 weeks after sowing the seed. Average prices of carrots per doz. 
bunches, 2s. 6d. to 5s.; per bag or sack, 4s. to 5s. 
SPECIES: D. carota, white, summer, Europe (Britain). 
Davallia (Hare’s-foot Fern; Bear’s-foot Fern; Squirrel’s-foot 
Fern).—Ord. Fuilices. Stove & greenhouse evergreen ferns. ~The 
rhizomes of D. bullata are extensively used for training round various 
fancy objects, as boats, monkeys, etc., also balls of peat & moss. First 
introduced 1699. 
CULTURE OF STOVE SPECIES: Compost, two parts loam, one 
part leaf-mould, peat, pounded charcoal, & sand. Pot, Feb., March, 
or April. Position, pots or hanging baskets in light part of plant 
stove. Water moderately Oct. to Feb., freely afterwards. Temp., 
Sept. to March 55° to 60°; March to Sept. 65° to 75°. 
CULTURE OF GREENHOUSE SPECIES: Compost, same as for 
stove species. Pot, March or April. Position, pots or baskets in 
artial shade. Water moderately Sept. to March, freely afterwards. 
emp., Sept. to March 40° to 50°; March to Sept. 50° to 60°. Propa- 
gate by spores sown on surface of sandy peat in pans under bell-glass 
In temp. 55° to 75° at any time; division of rhizomes in Feb. or March. 
STOVE SPECIES: D. aculeata, habit climbing, 6 ft., W. Indies; affinis, habit 
creeping, 9 to 12 ins., Ceylon, Java, etc.; alpina, habit trailing, dwarf, 6 in., 
Java, Borneo, etc.; dissecta, habit dwarf, Java; divaricata, habit robust, creeping, 
N. India; elegans, habit very vigorous, Ceylon, Java, etc.; fijiensis, habit free, 
evergreen, Fiji; heterophylla, habit dwarf, creeping, Malay Peninsula; hirta 
cristata (Syn. Microlepia hirta cristata), habit spreading, S. Sea Islands; pallida, 
pane achus (Syn. D. mooreana), Borneo; tenuifolia veitchiana, habit drooping, 
a . 
GREENHOUSE SPECIES: D. bullata (Squirrel’s-foot Fern), habit, dwarf and 
creeping, Japan; canariensis (Hare’s-foot Fern), habit robust, Canaries; Mariesii, 
habit dwarf, deciduous, Japan; Nove-Zelandis (Syn. Acrophorus hispida), habit, 
slender creeping, New Zealand; Tyermanni (Bear’s-foot Fern), habit, creeping, West 
David’s Clematis (Clematis davidiana).—See Clematis. 
David’s Harp (Polygonatum multiflorum).—See Polygonatum. 
David’s-root (Celastrus scandens).—See Celastrus. 
Daviesia (Australian Bonk — Ord. Leguminosw. Greenhouse 
evergreen flowering shrubs. First intrdduced 1805. 
CULTURE: Compost, equal parts loam, peat, & silver sand. Posi- 
tion, well-drained pots in airy greenhouse. Pot firmly March or 
April. Water very little Oct. to March, moderately other times. 
Temp., Sept. to March 40° to 50°; March to Sept. 50° to 60°. Pro- 
pagate by cuttings of firm young shoots inserted in sand under bell- 
glass in temp. 50° to 55° in spring; seeds sown 1-16in. deep in sandy 
peat in temp, 55° in March. 
SPECIES CULTIVATED: D. alta, yellow. summer, 3 ft., Australia; cordata, 
yellow, summer, 3 ft., Australia; ulicina, yellow, summer, 2 ft., Australia. 
Day-flower (Commelina ccelestis)—See Commelina. 
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