160° - SYSTEMATIC BOTANY. 
a. Leaflets naked, carinate ; serratures simple. 
é a. Green. yes 
b. Grey. 
&. Sarmentacea. Leaflets naked, carinate ; serratures 
compound. 
a. Green. 
b. Grey. 
y. Surculosa. Leaflets naked, flat; serratures simple. 
a. Green. 
b. Grey. 
3. Dumetorum. Leaflets more or less hairy, flat. 
a. Hairy on both sides. 
b. Hairy beneath only. 
s. Forsteri. Leaflets more or less hairy, not flat. 
a. Concave, green. 
b. Carinate, grey. 
1. Hairy beneath only. 
2. Hairy on both sides. 
VIEW OF THE LINNEZAN METHOD OF 
ARRANGING PLANTS. 
638. The object of the Linnean Classifieation of Plants : 
__ is to enable a beginner, from a few simple, characters, to find - 
out, in a work of reference, the name of any plant which may _ 
_ be new to him, and thus ascertain its history. It resembles — 
_ an alphabetical index to a description of plants, which, when 
_ we know the name of the plant, informs us in what page 
_____we shall find it described. In like manner, when we know — 
_ one or two characters of a plant, we can find its name and 
_ place in the Linnzan System, and thus, in any work con-— 
taining a description of plants arranged according to 
nethod, get access to an account of it. 
- For this purpose, plants are arranged in divisions, 
