The commercial literature is so voluminous that it is only in exceptional instances we can afford space to enter into details.

The leading nurserymen not only spend immense sums in obtaining everything valuable, but also largely in instructing the people. Here before us is a set of catalogues which are really books beautifully printed, and which altogether make two hundred and thirty-seven pages, often beautifully illustrated. Messrs. Vietch are among the pioneers in introducing the new half hardy tuberous rooted Begonias, and which have recently attracted so much attention in our magazine, in view of their probable adaptation to out-door summer gardening. That our readers may compare the American varieties with those being introduced into English gardens, we give with this illustrations of two new ones from Messrs. Vietch's catalogue.

BEGONIA KALLISTA.

BEGONIA ACHENE.