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402 



BOTANY. 



[Sect XII, 



like the cuttings above described, the larger kinds sur- 

 rounded ^ith dry straw. But plants when taken up with 

 their roots (and young ones should be preferred) can 



ac 



plant-r-'^ses, now generally known and most deserve Uy 

 esteemed. Tliese cabcs are glazed at the top or roof, so 

 as to be in fact portable greenhouses. The plants should 

 be established in the cases a few days before sending 

 them off, secured by splines, so as to confiiie the roots in 

 the soil in the event of the box being overturned, and 

 moderately watered : the lid is then fastened with putty 

 and screws, and the case being placed on the deck of a 

 vessel so as to be exposed to the light, which is an in- 

 dispensable rcquLsite, will require no watering nor any 



attention (unless 

 the entire voyage. 



broken^ 



On Preserving Plants for the Ileroarium. 



This is by no means the difficult process which many 

 have imagined. Tlie object is to prepare specimens in 

 such a manner that their moisture may be quickly ab- 

 sorbed, the Ciilours, so far as possible, preserved, and such 

 a degree of pressure imparted, that they may not curl in 



drying. 



these purposes provide a quantity of paper of 



moderate folio size and rather absorbent quality 

 brown or stout grey paper answers the purpose exceed- 

 ingly well. The best of all, and it is not expensive, is 

 Bentall's botanical paper, 16 inclics by 10, which costs 

 (folded) 15.S. a ream, or, 

 20 inches by 12, at 21s. 



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