EXPLANATION OF THE PLATES. 
FIG. 1 e 

PLATE I. 
The leaf of the Pelargonium peltatum is peltated, 
p. 42. and pentangular, p. 30. 
The leaf of the Orange, Citrus Aurantium, is 0- 
vate, p. 28. quite entire, p. $1. and has a wing- 
ed footstalk, p. 24. 
Lichen stellaris is an Alga, p. 130. with a stel- 
lated frons, p. 45. and seutellee, p. 116. in the 
middle. 
. Agaricus conspurcatus is a Fungus, p. 130. the 
stipes is annulated, p. 25. the annulus is sessile, 
p. 55. the pileus umbonated, p. 5. and squar- 
rose, p. 54. 
A. granulated root, p. 14. of the Saxifraga granu- 
lata. 
Octospora, a small fungus, p. 130. with a naked 
stipes, p. 25. and a concave pileus, p. 54. 
Lycoperdon stellatum, a fungus with a stellated 
_volva, p. 53. of a spherical figure, p. 56. and 
ciliated orifice. 
The leaf of the Spiraea Filipendula, is interrupt- 
edly pinnate, p. 37; the pinnula, p. 44. is lan- 
ceolate, and unequally dentated. 
The scapus of the Equisetum arvense. This plant 
belongs to the Filices spiciferee, p, 131. 
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