DIG 



199 



DIS 



digging than the common spade. It | 

 requires the exertion of less power; 



DIOMEDEA. Three species. Green- 

 house evergreen shrubs. Cuttings. 



breaiis up the soil more efTectually; anil ' Rich light loam. 



does not clog even when the soil is moist I DIOSCOREA. Yam. Five species. 



wet. It is less costly than the spade, Stove tubers. Division. Light rich 



and when worn can be relaid at a less 



expense. 



DIGITALIS. Twenty-six species. 

 Hardy herbaceous. Seed. Common 

 soil. 



DILATRIS. Three species. Green- 

 house herbaceous. Division or seed. 

 Sandy peat. 



DILL. {Anethum graveolens.) 



Use. — Its leaves and umbels are used 

 in pickling, and the former in soups and house evergreen shrub. Cuttings. Peat 



soil. 



DIOSMA. Twenty-three species. 

 Green-house evergreen shrubs. Cut- 

 tings. Peat and sand. 



DIOSPYROS. Twenty-three species. 

 Chiefly stove evergreen trees, but a few 

 are hardy. Cuttings. Light loam. 



DIPHYLLEIAc]/77!OM. Hardy herb- 

 aceous. Division. Light rich soil. 



DIPHACA cochinchi7iensis. Green- 



sauces. 



Soil and Situation. — It may be culti 

 vated in any open compartment; but if, evergreen shrub, 

 for seed, a sheltered situation, and a j loam and peat, 

 soil rather dry than damp, is to be allot- 

 ted for it. 



Time of Sowing. — It is best sown im- 

 mediately that it is ripe, for if kept out 



and Joani. 



D I P H Y S A carthaginensis. Stove 

 Cuttings. Sandy 



DIPLACUS. Two species. Green- 

 house evergreen shrubs. Cuttings. Rich 

 sandy loam. 



DIPLAZIUM. Nine species. Stove 



of the ground until the spring it often is ferns. Division or seed. Loam and peat, 

 incapable of germinating. If neglected DIPLOCOMA villosa. Hardy herba- 

 until the spring, it may be sown from ; ceous. Seed and division. Common 



the close of February until the com- 

 mencement of May, in drills a foot apart. 



DIPLOL^.NA dampieri. Greea- 



The plants are to remain where sown, house evergreen shrub. Cuttings. 



as they will not bear removing. When 

 of tiiree or four weeks' growth they 

 must be thinned to about ten inches 

 apart; for if not allowed room they 

 spindle, their leaves decay, no lateral 

 branches are thrown out, and their seed 

 is not so good ; in every stage of growth 

 they require to be kept clear of weeds. 

 The leaves are fit for gathering as 

 wanted, and the umbels about July and 

 August. In Septembertheir seed ripens, 

 when it must be immediately cut, and 

 spread on a cloth to dry, as it is very 

 apt to scatter. 



DILLENIA speciosa. Stove ever- 

 green tree. Cuttings. Sandy loam. 



D I L L VV Y N I A. Fifteen species. 

 Green-house evergreen shrubs. Cut- 

 tings. Sandy loam and peat. 



DINEMA polybulbon. Stove epi- 

 phyte. Offsets. Peat and postsherds. 



DINETUS paniculata and racemosa. 

 The first a stove perennial ; the second 

 a hardy annual twiner. The first by 

 cuttings; the seconds by seed. Rich 

 sandy soil. 



DIODIA. Four species. Stove ever- 

 green trailers, except D. virginica, 

 which is hardy and deciduous, 

 tings. Light soil. 



Loam and peat. 



DIPLOPAPPUS incanus. Half-hardy 

 evergreen shrub. Cuttings. Sandy 

 loam. 



DIPLOPELTIS hugelii. Green-house 

 herbaceous. Young cuttings. Common 



DIPLOPHYLLUM veronica forme. 

 Hardy annual trailer. Seed. Conimoa 

 soil. 



DIPLOTIIEMIUM. Two species. 

 Stove palms. Seed. Rich light loam. 



DIPODWJM punctatum. Stove orchid. 

 Division. Sandy loam and peat. 



DIPSACUS. Six species. Hardy 

 biennials. Seed. Common soil. 



DIPTERIX odorata. Stove ever- 

 green tree. Cuttings. Rich loam. 



DIRCA palustris. Hardy deciduous 

 shrub. Layers or seeds. Sandy loam. 



DISA. Twelve species. Green-house 

 orchids. Division. Peat, loam, and 

 sand. 



DISANDRA prostrata. Green-house 

 evergreen trailer. Division or cuttings. 

 Rich light soil. 



DISBUDDING is the removal, soon 



after they have burst into leaves, oi 



Cut- such buds as, if allowed to grow into 



shoots, would be misplaced. Thus, 



