~] 
INTRODUCTION. 
§ 6, 
The outer surface of the different parts of plants 
is very multifariously formed. ‘The following terms 
have been settled, and are used in descriptions of 
these various parts : 
1. Glancing, (nitidus ), where the surface is so 
smooth that it shines or glances, as in the leaves of 
the holly, Hex aquifolium. | 
2. Even, (/evis.), without striz, furrows, or rais- 
ed dots. Itis the opposite of Nos. 5, 6, 19, 20, 
24 and 25, i 
8. Smooth, (g/aber_), when there are no visible 
hairs, bristles or thorns. It is the opposite of No. 
7—18, and 23.. 
4, Dotted, (punctatus), where small fine dots are 
perceived by the eye, but not by the touch. 
5- Rough, (scaber_), where small raised dots are 
felt but not seen. _ 
6. Rugged, (asper_), when these dots are both 
felt and seen. 
7. Hispid, (hispidus ), beset with short stiff hairs. 
8. Rigid, (hirtus.), where the hairs are mode- 
rately long, but very stiff, 
9. Hairy, (pilosus,), beset with long single hairs, 
somewhat bent. 
10. Villous, (villosus), where the hairs are long, 
soft and white. 
11. Pubescent, (pubescens), overgrown with short 
fine white hairs. 
12 Silky, (sericews), when the surface is white and 
shining, by means of thick and almost invisible hairs. 
A 4 3. Woolly, 
