( i°9 ) 
by thofe who have proceeded upon the ex-* 
pedtation of the ufual mode of fructification. 
The uncommon beauty of an aflemblage of 
thefe plants on our banks., walls, and heaths, 
in winter, muft engage the attention of every 
botanift. There is a fpecies of fungus, the If f 
coperdon fornicatum, or turret puff-ball, which 
is of a very extraordinary form, having the 
appearance of an inverted mufhroom. The 
plate here given of this fingular vegetable was 
taken from a peculiarly fine fpecimen found 
growing in the kitchen-garden of Mr. Rook, 
near Mansfield. 
Adjoined to the clafTes is an appendix con- 
futing of plants, which Linneus rather chofe 
to place apart than to diftribute into the fe- 
veral clafTes of his fyftern, and this on account 
of their fingular ftruclure : he has arranged 
them all under the head of Palms, and defines 
them to be plants with fimple Items, bearing 
at their fummit leaves refembling thofe of 
ferns, which are termed Fronds, and are a 
compofition of a leaf and a branch. Their 
flowers and fruit are produced on that parti- 
cular kind of receptacle called a fpaclix, pro- 
truded from a common calyx in form of a 
flieath, termed by Linneus a fpathe. The 
terms 
