DR I 



203 



DUN 



piece, to receive the seeds. The ope- i seeds into the funnel at the required 

 rater holds it in his left hand, directing | rapidity — a little practice enables the 

 the lower extremity to the line where \ sower to pass over the ground with 

 he desires the seed to fail, and with the 1 speed, and perform the work with re- 

 fingers of his right hand dropping the | gularity. 



Fig. 35. 



DRIMIA. Thirteen species. Green- 

 house bulbs. Offsets. Sandy loam and 

 peat. 



DROSER.\. Nine species. Hardy 

 and green-house aquatics. Seeds. Peat 

 and water. 



DRUMMONDIA mitelloides. Hardy 

 herbaceous. Division. Peat. 



DRYANDRA. Nineteen species. 

 Green-house evergreen shrubs. Cut- 

 tings. Turfy sandy loam and peat. 



DRYAS. Four species. Hardy ever- 

 green trees. Seed and cuttings. Peat 

 and loam. 



DRYMONIA. Two species. Stove 

 evergreen climbers. Cuttings. Rich 

 sandy loam. 



D R Y P E T E S CTOcea. Stove ever- 

 green shrub. Cuttings. Loam and 

 peat. 



DUYPIS spinosa. Hardy evergreen 

 shrub. Cuttings and seed. Sandy peat 

 and loam. 



DRY-STOVE is a hot-house devoted 

 to the culture of such plants as require 

 a high degree of heat, but a drier at- 

 mosphere than the tenants of the bark- 

 stove. Consequently, fermenting mate- 

 rials and open tanks of hot-water are 

 inadmissible; but the sources of heat 

 are either steam or hot-water pipes, or 

 flues. Sec Stove. 



DUM.\SIA. Two species. Green- 

 house evergreen twiners. Cuttings. 

 Peat and sandy loam. 



DU.MB-CANE Caladium sequinum. 



DUMERILIA paniculata. Stove 

 evergreen shrub. Cuttings. Common 

 soil. 



DUNG. Under this title our atten- 

 tion must be confined to the fijeces and 

 urines of animals, and that one most 

 common compound, stable dung. 



Night-soil is the richest of the ma- 

 nures to be arranged under this head. 

 It is composed of human fceces and 

 urine, of which the constituents are aa 

 follows : — 



F^CES. 



Water 73.3 



Vegetable and animal remains 7 



Bile 0.9 



Albumen 0.9 



Peculiar and extractive matter 1.2 

 Salts (carbonate of soda,~ 

 common salt, sulphate of I 

 soda, ammonia-phosphate > 2.7 

 of magnesia, and phos- 

 phate of lime) 

 Insoluble residue ... 7 14.0 



URINE. 



Urate of ammonia . . . 0.298 



Sal-ammoniac . • . . 0.459 



Sulphate of potash . . . 2.112 



Chloride of potassium . . 3.674 



sodium (com-) ,:■ ncn 



mon salt) t 



Phosphate of soda . . . 4.267 



lime . . . 0.209 



Acetate of soda .... 2.770 

 Urea and colouring matter 23.640 

 Water and lactic acid . . 47.511 



After stating the above analyses in 

 his excellent work, ''On Fertilizers," 

 Mr. Cuthbert Johnson proceeds to ob- 

 serve that, " The very chemical compo- 



