Our correspondent, "Fox Meadow," who is always looking about with his eyes open, sends us the following useful hints about Bedding Plants:

Mr. Editor, - Roving through our horticultural beauties in the vegetable world, allow me to inquire, "Do you know Pretty Polly?" Suppose you do lots of them! But let me tell you what Pelargonium Pretty Polly is. This Pelargonium is of the sweet-scented order; produces a good truss of flowers, bright rose, white throat, with black spot on the upper petals; stands the hot weather well; grows profusely and flowers admirably all the summer in the open border; is one of the good bedding-out plants. A row or clump of it makes a dashing show.

Quercifolium Superbum. Another very sweet-scented geranium, with a bright scarlet truss, the upper petals having a dark spot. A great improvement on the old varieties in its class.

Lobelia Erinus Compacta. Every body who loves flowers ought to grow it A most lovely blue, of very dwarf habit, and perpetually in flower. Is well adapted for an outside border plant, verging the walk. Is always to be seen, yet unassuming. Grows admirably in pots, and flowers during winter.

Lobelia Aurea, is sister to the above; habit nearly the same, but having flowers of a beautiful golden yellow. Grown in lines or rows, these two Lobelias form a pleasing sight and a beautiful blending of color.

Gazania Splendens, with me stands the hot sun well, and grows well; over fifty flowers on one plant Every body who sees it asks, "What is that?" It is not Rigene we used to know when a boy in "Fader Land." Strikes freely from cuttings in the fall and spring.

Wellington Hero, is a bright scarlet geranium, with a very striking white eye. The truss is good; petals well rounded, with good substance; free bloomer, and is what may be termed a good scarlet.

Heliotrope, Beauty of the Boudoir, is one of the most fragrant of its class; is one of the "purples," having very large trusses of flowers, and no person will be deceived in his expectations of a good Heliotrope who grows it. We have seen a good stock of the above growing at Mr. John Wood's florist grounds, Fort Washington, who, I am proud to say, is quite a connoissuer in the good little varieties that tickle the weak points of Flora.

We are enabled to endorse all that Fox Meadow says of the above plants, though we think Gazania splendens has been overrated by some as a bedding plant for our climate. Add speciosa to the Lobelias, and we have as perfect edging plants as could be desired in their way. Scarlet Geranium Wellington Hero is one of the very best Scarlets that we have yet seen. Oh! we forgot to say that we do know "lots" of Pretty Pollies, and they talk, too, and say all kinds of pretty things.