CLASSIFICATION OF VEGETABLE PREPARATIONS. 405 



Pisbnia 



Dichorizandra ttyrsiflora 

 Populus dilatata ... 

 Tilia platyphilla ... 

 Magnolia grandiflora 

 Bambusa arundinacea 

 Coffea arabica 



-Spiderwort, 

 Poplar, Lombardy, 

 Lime-tree, 

 Magnolia, 

 Bamboo Cane, 

 Coffee-tree. 



Fossil Woods. — Sections of these, made by the lapidary in 

 the same direction as the woods last described, will exhibit very 

 remarkable structures, the woody fibres, and sometimes the 

 vessels, being as perfect in them as in any recent stems. 

 Specimens obtained from the following localities will be found 

 amongst the most striking of this ckss of objects : — 



Endogens — East Indies, Exogens — Harwich, 



Antigua. 

 Exogens — Antigua, 



Allen Bank, 



Australia, 



Craigleith, 



Claycross, Derbyshire, 



Cromer, 



Dudley,. 



Darleston, 



Egypt, 



Honduras, 



Isle of Portland, 



Sheppey, 



Wight, 



Lenel Braes, 

 New Holland, 

 Oldburg, 

 Tweed Mill, 

 Warwick, 



Van Dieman's Land. 



Hard Tissues. — These require to be prepared like sections 

 of bone and shell, sometimes by the cutting-machine, but 

 more frequently by grinding down on a hone thin slices that 

 have been cut by a saw; a peculiar kind of gritty tissue 

 is found in the pear tribe — this can be obtained either by 

 sections or by maceration. The following list will embrace 

 the names of some of the most interesting kinds : — 



Pear, 



Seed of Croton tiglium, 



Star Anise, 



Stone of Apricot, 



Cherry, 



Damson, 



Date, 



Ivory-nut, 



Peach, 



Stone of Plum, 



Tamarind, 



Shells of Brazil-nut, 



Cocoa-nut, 



Hazel-nut, 



Ivory-nut, 



Sago-palm, 



Walnut, 



Cone of Pine. 



