196 The Botanical Gazette. [April, 
a hollow cylinder six inches long and four in diameter. The 
cylinder should then be stuffed with excelsior, and one end ofa 
piece of glass tubing pushed into the center of the mass; the 
free end of the tube should then be connected with the faucet 
on the inside of the pail by a short rubber tube. The brine 
is then forced to filter through the tightly packed excelsior 
before entering the tube. 
age 
ill 
Fig, 2, Pia’ 
* 3 f 
The standard upon which the pails hang is constructed ° 
- Itcan best be understood by a reference to 
i € great enough to prevent the palls 
Striking the upright pj ; i. The oF 
which passes rete th Piece as they rise and fal or 
nel 
