BOTANICAL APHORISMS. 199 
29. Violaceus, violet colour, a mixture of ‘blue 
and red. 
30. Lilacinus, lilac, the former colour, but duller, 
and verging more towards red. 
31. Ater, the purest and deepest black. 
32. Niger, black, with’a tinge of grey. 
33. Cinereus, ash-colour, blackish grey. 
34. Griseus, lively light grey. 
35. Canus, hoary, with more white than grey. © 
36. Lividus, dark grey, running into violet. 
37. Lacteus, s. candidus, shining white. 
38. Albus, dull white. 
39. Albidus, dirty dull white. 
40, Hyalinus, transparent like pure glass. 
These colours are only used in describing the 
Lichens and Fungi: being not sb variable in these 
plants as in others. 
The colours are all represented on the 10th plate, 
for mere words do not convey a sufficient idea of 
them. 
§ 200. 
In general every part of a plant has a particular 
colour. 
The root 1s for the most part black or white, 
“sometimes brown, seldom yellow or red, but never 
green. 
The stem and the leaves are commonly green, 
seldom red, sometimes spotted with white or black, 
very seldom yellow, externally seldom blue, and 
only white or brown when covered with a to- 
mentum. 
N 4 The 
