476 
GLOSSOLOGY. 
BOOK III. 
Besides the foregoing, those that follow require expla- 
nation : — 
1. Of an hour {horarius')\ which endures for an hour or two 
only ; as the flowers of Talinum, Cistus, &c. 
2. Of a day {ephemerusy f 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 {nocturnns) ; wtiich appears during the night, and 
perishes before morning ; as the flowers of the night-bloom- 
ing Cereus. 
4. Of a month (menstrualisy f menstruus) ; which last for a 
month. Bimestris is said of things that exist for two months ; 
trimestris, 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 (hornus), 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 (piarcescens) ; not falling off until the 
part which bears it is perfected, but withering long before 
that time ; as the flowers of Orobanche. 
11. Fugacious (^fugax)\ falling off, or perishing very rapidly; as 
many minute Fungi, the petals of Cistus, d:c. 
12. Permanent (^perennans) \ not different from persistent: it is 
generally applied to leaves. 
13. Perennial (^perennis) \ lasting for several years. 
7. Of Colour. 
The most useful books to consult for the distinctions of 
colours are Syme’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 
