‘SPECIMENS OF PLANTS. - 37 
* flowers as leaves. It will be found upon trial, that a dit 
“ ferent degree of heat is suitable to different plants, the exact 
“ knowledge of which will be easily acquired by a little expe- 
“ rience, and that some will dry much better than others. I 
“ have always found the fewer plants there were in the sand at 
“a time, and the quicker the heat, the better the colours 
“were. Those plants that have coloured flowers should be 
* placed uppermost, otherwise their colour will be injured by 
* the slow difsipation of the moisture from the others, 
“ Plants are most fit for future examination when preserved 
“loose within the paper, and if they are kept in a very dry 
“room and unexposed to the air, they will preserve their beauty 
“a great number of years ; but it will be necefsary to inspect 
“them once a year, to destroy any of the small insects that 
“‘may breed among them, and this will be fully sufficient for 
“ their preservation.” ape 
In whatever method the plants are dried, the precautions 
mentioned in the last paragraph of Mr. Whateley’s account, are 
indispensable to their preservation. They may be most con- 
veniently kept in a Cabinet made for the purpose, with the 
drawers open in front, excepting only a shallow ledge at the 
bottom of each; placing the species of each Genus together, 
and keeping each Clafs separate. 
In the Clafs Cryptogamia, a different management may be 
~ adopted with advantage, except in the Frnices (or Ferns) and 
these may be dried and disposed as the plants of the other 
Clafses ; but the Muscr (Mofses,) which constitute the second 
order of the Cryptogamia clafs, being very numerous, and mostly 
very minute, may be kept in papers folded to the octavo size. 
It is sufficient to place them in the papers, and to give them a 
moderate prefsure for a short time. They dry readily and are 
not apt to spoil. ; 
The preservation of the ALG, or third Order of this Clafs, — 
requires some further directions. oa 
- The Licwens require no care in drying; they should not 
even be prefsed, or put into papers, but placed in shallow close 
drawets which are divided into small partitions. : 
The Conrervax, and the finer leaved Fucr, cannot be 
advantageously laid down in the common way, but should be 
floated in a large shallow dish of water, so as to separate and — 
