plants, is that of Bischoff, in his excellent Terminology ; what follows is chiefly taken from that work.

There are eight principal colours, under which all the others may be arranged; viz. white, grey, black, brown, yellow, green, blue, and red.

I. White (albus; in words compounded of Greek, leuco-). 1. Snow-white (niveus); as the purest white; Camellia japonica.

2. Pure white (candidus; in Greek composition, argo-); very pure, but not so clear as the last; Lilium candidum.

3. Ivory-white (cream colour; eburneus, eborinus); white verging to yellow, with a little lustre ; Convallaria majalis.

4. Milk-white (lacteus; in words compounded of Greek, galacto-); dull white verging to blue.

5. Chalk-white (cretaceus, calcareus, gypseus); very dull white, with a little touch of grey.

6. Silvery (argenteus); a little changing to bluish grey, with something of a metallic lustre.

7. Whitish (albidus); any kind of white a little soiled.

8. Turning white (albescens); changing to a whitish cast from some other colour.

9. Whitened (dealbatus); slightly covered with white upon a darker ground.

II. Grey.

10. Ash-grey (cinereus; in words compounded of Greek, tephroand spodo-); a mixture of pure white and pure black, so as to form an intermediate tint.

11. Ash-greyish (cineraceus); the same, but whiter.

12. Pearl-grey (griseus); pure grey, a little verging to blue.

13. Slate-grey (schistaceus); grey, bordering on blue.

14. Lead-coloured (plumbeus); the same with a little metallic

lustre.

15. Smoky (fumeus, fumosus); grey, changing to brown. 16. Mouse-coloured (murinus); grey, with a touch of red.

17. Hoary (canus, or incanus); a greyish whiteness, caused by hairs overlying a green surface.

18. Rather hoary (canescens); a variety of the last.

III. Black.

19. Pure black (ater; in Greek composition, mela- or melano-), is black without the mixture of any other colour.

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.

nigrescens.

A variety is

21. Coal-black (anthracinus); 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 distinguished brown black (memnonius).

IV. Brown.

24. Chestnut-brown (badius); dull brown, a little tinged with red.

25. Brown (fuscus; in Greek composition, phao-); brown, tinged with greyish or blackish.

26. Deep-brown (brunneus); a pure dull brown. Umber-brown (umbrinus) 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 (porphyreus); brown, mixed with red.

31. Rufous (rufus, rufescens); rather redder than the last.

32. ↑ 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, auratus; 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 (flavus, luteolus, lutescens, flavidus, flavescens); 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.

42. Leather-yellow (alutaceus); whitish yellow.

43. Ochre-colour (ochraceus); yellow, imperceptibly changing to brown.

44. Ochroleucus; the same, but whiter.

45. Waxy yellow (cerinus); dull yellow, with a soft mixture of reddish brown.

46. Yolk of egg (vitellinus); dull yellow, just turning to red. 47. Apricot-colour (armeniacus); yellow, with a perceptible mixture of red.

48. Orange-colour (aurantiacus, aurantius); the same, but redder.

49. Saffron-coloured (croceus); the same, but deeper and with a dash of brown.

50. Helvolus; greyish yellow, with a little brown.

51. Isabella-yellow (gilvus); dull yellow, with a mixture of grey and red.

52. Testaceous (testaceus); brownish yellow, like that of unglazed earthenware.

53. Tawny (fulvus); dull yellow, with a mixture of grey and

brown.

54. Cervinus; the same, darker.

55. Livid (lividus); clouded with greyish, brownish, and bluish.

VI. Green.

56. Grass-green (smaragdinus, prasinus); clear lively green, without any mixture.

57. Green (viridis; in Greek composition, chloro-); clear green, but less bright than the last. Virens, virescens, viridulus, viridescens, are shades of this.

58. Verdigris-green (æruginosus); deep green, with a mixture of blue.

59. Sea-green (glaucus, † thalassicus, glaucescens); dull green, passing into greyish blue.

60. Deep green (atrovirens); green, a little verging upon black.

61. Yellowish green (flavovirens); much stained with yellow. 62. Olive-green (olivaceus; in Greek composition, elaio-); a mixture of green and brown.

VII. Blue.

63. Prussian blue (cyaneus; in Greek composition, cyano-); a clear bright blue.

64. Indigo († indigoticus); the deepest blue.

65. Blue (cæruleus); something lighter and duller than the last.

66. Sky-blue (azureus); a light, pure, lively blue.

67. Lavender-colour (casius); pale blue, with a slight mixture of

grey.

68. Violet (violaceus, ianthinus); pure blue stained with red, so as to be intermediate between the two colours.

69. Lilac (lilacinus); pale dull violet, mixed a little with white.

VIII. Red.

70. Carmine (kermesinus, puniceus); the purest red, without any admixture.

71. Red (ruber; in Greek composition, erythro-); the common term for any pure red. Rubescens, rubeus, rubellus, rubicundus, belonging to this.

72. Rosy (roseus; in Greek composition, rhodo-); pale pure red.

73. Flesh-coloured (carneus, incarnatus); paler than the last, with a slight mixture of red.

74. Purple (purpureus); dull red, with a slight dash of blue. 75. Sanguine (sanguineus); dull red, passing into brownish black.

76. Phoeniceous (phoeniceus, puniceus); pure lively red, with a mixture of carmine and scarlet.

77. Scarlet (coccineus); pure carmine, slightly tinged with yellow.

78. Flame-coloured (flammeus, igneus); very lively scarlet, fiery red.

79. Bright red (rutilans, rutilus); reddish, with a metallic lustre. 80. Cinnabar (cinnabarinus); scarlet, with a slight mixture of orange.

81. Vermilion (miniatus, † vermiculatus); scarlet, with a decided mixture of yellow.

82. Brick-colour (lateritius); the same, but dull and mixed with

grey.

83. Brown-red (rubiginosus, hæmatiticus); dull red, with a slight mixture of brown.

84. Xerampelinus; dull red, with a strong mixture of brown. 85. Coppery (cupreus); brownish red, with a metallic lustre. 86. Githagineus; greenish red.

1. Variegated (variegatus); the colour disposed in various irregular, sinuous spaces.

2. Blotched (maculatus); the colour disposed in broad, irregular blotches.

3. Spotted (guttatus); the colour disposed in small spots.

4. Dotted (punctatus); the colour disposed in very small round spots.

5. Clouded (nebulosus); when colours are unequally blended together.

6. Marbled (marmoratus); when a surface is traversed by irregular veins of colour; as a block of marble often is.

7. Tessellated (tessellatus); when the colour is arranged in small squares, so as to have some resemblance to a tessellated pave

ment.

8. Bordered (limbatus); when one colour is surrounded by an edging of another.

9. Edged (marginatus); when one colour is surrounded by a very narrow rim of another.

10. Discoidal (discoidalis); when there is a single large spot of colour in the centre of some other.

11. Banded (fasciatus); when there are transverse stripes of one colour crossing another.

12. Striped (vittatus); when there are longitudinal stripes of one colour crossing another.

13. Ocellated (ocellatus); when a broad spot of some colour has another spot of a different colour within it.

14. Painted (pictus); when colours are disposed in streaks of unequal intensity.