Read it through once

This is a matter of some importance for those who keep bees, and the following list may be of some use. _February_: _Crocus vernus_, Snowdrop, Black Hellebore, and Hazel. _March_: The preceding, _Arabis alpina_, Bulbocodium, _Cornus mascula_, _Helleborus foetidus_, Giant Coltsfoot, Gooseberry, various species of Prunus and Pyrus, Willow. _April_: The preceding as well as _Adonis vernalis_, _Barbarea vulgaris_, _Brassica napus_.