CLASS I. 
INDIVIDUAL ABSOLUTE TERMS. 
405 
Atratus and nigritus ; when a portion only of something is 
black ; as the point of the glumes of Carex. 
20. Black {niger) ; a little tinged with grey. A variety is 
nigrescens. 
21. Coal-black {anihr acinus) \ a little verging upon blue. 
22. Raven black (coracinus, pullus) ; black with a strong lustre. 
23. Pitch-black {piceus) ; black changing to brown. From this 
can scarcely be distingiushed brown black (memnonius). 
IV. Brown. 
24. Chesnut-brown (badius) ; dull brown, a little tinged with 
red. 
25. Brown ( fuscus ; in Greek composition, phceo-) ; brown 
tinged with greyish or blackish. 
26. Deep-brown (6r^m;^ew5); a pure dull brown. Umber-brown 
(iimhrinus) is nearly the same. 
27. Bright brown {spadiceus) ; pure and very clear brown. 
28. Rusty {ferrugineus) \ light brown with a little mixture 
of red. 
29. Cinnamon (cinnamomeus) ; bright brown mixed with yellow 
and red. 
30. Red-brown {jporphyreus) ; brown mixed with red. 
31. Rufous (rufus, rufescens)\ rather redder than the last. 
32. >f Glandaceus like the last, but yellower. 
33. Liver-coloured (hepaticus) ; dull brown with a little yellow. 
34. Sooty fuligineus, or { fuliginosus) ; dirty brown, verging upon 
black. 
35. Lurid {luridus) ; dirty brown a little clouded. 
V. Yellow. 
36. Lemon-coloured {citreus or citrinus) ; the purest yellow 
without any brightness. 
37. Golden yellow (aureus, aiiratus ; in Greek composition, 
chryso') ; pure yellow, but duller than the last, and bright. 
38. Yellow {luteus ; in Greek composition, xantho-) such yellow 
as gamboge. 
39. Pale yellow (fiavus, luteolus, lutescens, Jlavidus, Jlavescens) ; 
a pure but paler yellow than the preceding. 
40. Sulphur-coloured (sulphureus) ; a pale, lively yellow, with a 
mixture of white. 
41. Straw-coloured (stramineus) ; dull yellow mixed with white, 
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