36 TRIANDRIA. 



From Papyrus, paper is derived ; and from the 

 ancient custom of writing on the leaves of trees, our 

 book is said to be composed of leaves. Liber is the 

 inner bark of a tree, on which the ancients were also 

 used to write ; and volumen was the manuscript rolled 

 up; hence our words library and volume. 



British Plants of this Order, 



Botanical Generic Names. Common Names. 



3 Crocus 3 Crocus 



53 cyperus 10 rushgrass 



50 Iris n 3 Flower-de-luce 



1 Nardus l Small Matweed 



31 Valerianao 5 Velerian 



69 Scirpus 22 Galingale 



ORDER 2. 



DIGYNIA. 



CAT'S-TAIL GRASS blows from June to Octo- 

 ber, and is common to every meadow, but not pro- 

 fitable to the farmer. This grass has a fibrous root 

 when growing in pastures that are uniformly moist ; 

 but in dry situations, or such as are only occasionally 

 wet, it acquires a bulbous root, whose inner substance 



n The root of the Iris suspended in wine is said to give it a 

 pleasant taste, and if put into beer will keep it from becoming 

 stale. 



Some species of this Genus have only one stamen. 



