CLASS I. 
INDIVIDUAL ABSOLUTE TERMS. 
403 
Besides the foregoing, those that follow require expla- 
nation : — 
1 . Of an hour (Jiorarius) ; which endures for an hour or two 
only ; as the flowers of Talinum, Cistus, &c. 
2. Of a day {ephemerus, \ diurnus) ; which endures but a day, as 
the flower of Tigridia. Biduus is said of things that endure 
two days ; and triduus, three days. 
3. Of a night (nocturnus) ; which appears during the night, and 
perishes before morning ; as the flowers of the night-bloom- 
ing Cereus. 
4. Of a month (menstrualis, f menstruus) ; which last for a 
month. Bimestris is said of things that exist for two months; 
trimestrisy for three months. 
5. Yearly {annotinus) \ that which has the growth of a year. 
Thus rami annotini are branches a year old. 
6. Of the same year (Jiornus) ; is said of any thing the produce 
of the year. Thus rami horni would be branches not a year 
old. 
7. Deciduous (deciduus) ; finally falling off^ as the calyx and 
corolla of Cruciferae. 
8. Caducous {caducus) ; falling off very early, as the calyx of 
the poppy. 
9. Persistent (^persistens, f restans. Linn.) ; not falling off, but 
remaining green until the part which bears it is wholly ma- 
tured ; as the leaves of evergreen plants, the calyx of Labiatae 
and others. 
10. Withering, or fading (niarcescens) ; not falling off until the 
part which bears it is perfected, but withering long before 
that time ; as the flowers of Orobanche. 
1 1 . Fugacious {fugaoc) ; falling off, or perishing very rapidly ; as 
many minute Fungi, the petals of Cistus, &c. 
12. Permanent {jperennans) \ not different from persistent : it is 
generally applied to leaves. 
13. Perennial (jt?erewm5) ; lasting for several years. 
7. Of Colour. 
The most useful books to consult for the distinctions of 
colours are Symes's Book of Colours^ and the chromatic scale 
in the Duke of Bedford's publication upon Ericas. 
The best practical arrangement of colours, as applied to 
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