[ i6i ] 



Vll. "Experiments fefpeSiing the EffeBs of Qutckjilver on 

 Vegetable Life. By VoN Deimann, Paats Van 

 Trostwtk and Lauwerenburgh *, 



E. 



<XPER. I. A plant of the fmall garden bean, which 

 had crrown in the open fields, was placed in water clofe to a 

 flafk filled with quickfilver one inch in diameter, and the 

 water was covered by a bell twelve inches in height and fix 

 in diameter. 



II. A plant of curled mint, the root of which flood in 

 water, was placed with quickfilver under a bell eight inches 

 in height and four and " ^:.irL. dla. .;:ar. 



III. The firft experiment was repeated, with this varia- 

 tion ; that the bell, inftead of (landing over water, was placed 

 on a difli, and fupported by pieces of cork. 



IV. The fame experiment as the fecolld, With this diffe- 

 rence; that pieces of leaf gold \Xere fufpended in the bell. 



V. A flafli. filled with quickfilver was plac^ clofe to fome 

 young plants oi iht fpiraa faliclfolia, which llill adhered to 

 the parent root, and the whole was covered with a bell. 



VI. The fecond experime:it was repeated, and a little ful- 

 phur was applied to the interior fides of the bell. 



VII. The fecond fexpefiment again repeated, with this dif- 

 ference ; that the quickfilver was covered with a little water^. 



VIII. A plant of the curled mint was placed in a bafon 

 of water with a little quickfilver, in fuch a manner that the 

 roots were in contact with the metal. 



IX. The roots of a bean plant, which had fhot out through 

 holes made in the pot in which it had been reared, were 

 placed in a flat difli filled with quickfilver. 



X. Some beans were planted in earth mixed with quick- 

 filver. 



XI. A plant of the curled mint was placed in a bafon 

 with water, and red oxyd of mercury prepared with the 



• From Schercr's All^emelna Jo'ima! tier Cbemie, Vol. I. No- 6. 



Vol. IV. M nitrous 



