45. 
THE BUCKTHORN. 
Rhamnus catharticus. 
Prats 5, Fic. 12. 
“2 ELLOWISH green in flower, black 
in fruit, deep green in leaf, and 
upright in habit of growth, the 
Buckthorn fairly contributes to 
the beauty of our woodlands, where, 
on chalky, loamy soil it is found 
|; growing. Seldom found higher than 
Al, fifteen feet—often less in height even 
than that—it can only claim to come 
within the lowlier ranks of Trees. Its four- 
petalled flowers are borne in clusters, and the 
round, black berries which constitute its cathartic 
fruit are four-celled and four-seeded. As a wood- 
