THE SPECIES OF PLANTS,

THE FOURTH SUBDIVISION IN THE LINN.SSAN SYSTEM.

We find that the first of the three foregoing departments, the Classes,depended in a great measure on the number and situation of the sta-mens; the Orders, on the pistils; and the Genera, or Families of Plants,on those when considered collectively. Under the following head weenumerate and distinguish plants by characters from general habit andmarks which are found in the flowers, roots, leaves, branches, &c. andwhich being the last in the Linuaean arrangement, are not altogetherdependent on the system by which the former arrangements are made.We therefore for the sake of convenience are enabled, without breakingthrough the oale of science, to make it into alphabetical order, a con-venience which it is presumed will be found useful; as being the easiestmode of turning to the description of any plant required ; and at thesame time that it thus saves much trouble to the student, it answers thePurpose of an index to the other parts of classification: each of the ge-nera being marked with the class and order, showing their place in thesystem, and the numbers before each refer to the description of theGeneric characters in the foregoing pages.

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