GROWTH OF PLANTS IN THE PURE EARTHS. OU 



June 30th, 1843. — Planted twentj'^ mustard-seeds in the pure 

 eartlis, watered them with distilled water, aud on the 5th of 

 July two of the seeds broke ground very weakly; continued the 

 watering-, and on the 7th two more appeared ; continued tiie 

 process until they gradually decayed, wliich took place in a few 

 days. 



October 5fh, 1843. — Planted three lupines in the pure earths 

 as before described, watered them with a solution of sub-carbonate 

 of ammonia (^ oz. to 1 quart of water) ; contiimed the watering 

 with the same solution for tiiirty days, without any appearance 

 of the plants, examined the earths and found the lupine-shells. 



October 5th, 1843. — Planted three lupines in the pure earths, 

 watered tiiem with solution of muriate of ammonia (^ oz. to 

 1 quart of water) ; the plants not appearing- after thirty days, 

 examined the earths and found the shells of the lupine-seed. 



April, 1844. — Planted three lupines, 2 grains each, in the 

 pure earths, in which 30 grains of guano had been well mixed, 

 watered them, and continued to do so every otiier day, and on 

 the fourteenth day one lupine broke ground, and on the sixteenth 

 day the other two ai)peared ; continued the supply of water when 

 required, and on the Uth of June, as some of the leaves were 

 faded, gave 20 grains more of guano as a top-dressing : in the 

 course of three or four days it was evident that the top-dressing 

 had improved the leaves, except the faded ones, which never 

 regained their colour : continued the regular watering, and on 

 the loth of July they began to show for flower; on the 2oth 

 they were removed from their glass pots, and the roots shaken 

 out from the adhering earth. The three plants weighed together 

 200 grains. 



A, 103 ) 



B, 49 200. 



C, 48 ) 



April, 1844. — Planted three yello^v lupines (2 grains weight 

 each) in the pure earths, in which 30 grains of Daniell's Manure 

 had been well mixed, watered them, and continued so to do every 

 other day. On the 19th of April one broke ground: kept up 

 the supply of water, and on the 10th of June gave a top-dressing 

 of 20 grains more of Daniell's Manure, as the plant had 

 always been of a stunted growth. On the 21st of July, as it 

 had not improved, it was taken up ; it weighed 14 grains. 



April, 1844. — Planted three lupines, 2 grains each, in the 

 pure earths, well mixed with 30 grains of soot ; watered them, 



