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VI PRETACE.

are arranged, in different compartments, such plants as willbest illustrate any part of the science the student may wishto consult, agreeably with the annexed Plan. Hot andGreen Houses are also erected to preserve such as are tootender to bear the open air of our climate ; and there is alsoa Library, in which is kept an extensive collection of thebest books on botany and other subjects in natural history.

Here also will be delivered every Summer, Lectures onBotany on certain days in each week; and also, for thepurpose of giving each pupil a practical knowledge of thescience, Excursions are occasionally made to such placesnear to London as are known to produce the greatestnumber of plants; where the student may collect specimensof each kind, and at the same time is instructed how topreserve them in a Hortus Siccus, so as to form a work forfuture reference. Thus, whilst by the lectures and the as-sistance of the garden and library, he is enabled to obtaiaa perfect knowledge of the principles of the science, he alsobecomes personally acquainted with all the plants growingnear London, in a manner that will cause him to retainthem constantly on his memory.

The admission to the Garden and Library is by sub-scription, and persons paying One Guinea each are allowedto visit the Garden and Library for twelve months, undercertain regulations which are laid down for the purpose.An extra charge is made for attending the Excursions.These generally take up twelve weeks, one day in each; sothat two courses are intended to be given every season, one