368 POPULAR FIELD BOTANY. 
future use. The diligent study of the classification will also 
claim the attention of those who are really earnest in the 
pursuit, and will amply repay them by the increased facility 
and experience they will bring to bear on the subject, when 
the fire-side study shall be exchanged for the sunny ramble, 
and spring, with her fresh charms, shall invite the lover of 
nature again into the fields and woods. 
PENTANDRIA. MOoONOGYNIA. 
CALYCIFLOR&. ARALIACES, 
HEDERA.  (Lvy.) 
Generic Character. Calyx of five teeth. Petals broadest at 
the base. Berry with from three to five seeds, with the calyx at 
the top. 
Hepera Herrx. Common Ivy. This well-known plant, 
so common on old buildings, trunks of trees, &c., is now in 
flower, and attracts the wasps and bees, and even the 
beautiful peacock butterflies that are still to be seen ona 
sunny day; the flowers are not striking, being small and 
pale green, the berries smooth and black. The stems throw 
out roots, by which they adhere to hard substances. It is 
