The Botanist's Companion, VolI в Android Market

The Botanist's Companion, VolI (v. 1.0) Разработано MyApp Builder

In demonstrating the Plants which occur in our annual herborizing excursions, I have found it necessary to put into the hands of my pupils some Manual of Botany; and in so doing I have found all that have yet been published, deficient in one or two essential points, and particularly as relating to the uses to which each ...