326 MATERIAL. [APP. II 



Special apparatus. 



Lunge's Nitrometer. 

 Soxhlet's Fat-extraction apparatus \ 

 Arrangement for continuous agitation. 

 Material required. 



Seeds of Cress (Lepidium sativum). 



„ Sainfoin {07iobrychis sativa). 



5, Hemp [Cannabis sativa). 

 Young and ripe fruits of Apple. 



,, Banana (JIusa sajneyitum). 



Bark of Willow (Salix vimhialis). 

 Leaves of Pea {Pisutn sativum). 



„ Barley (Hordeum). 



„ Clover (Trifolium). 



„ Tropseolum. 



„ Beetroot or Mangold-wurzel {Beta). 



„ Sycamore {Acer pseudoplatanus). 



„ (Old and young) of Sempervivum teetotum,. 



„ ,, Rhubarb {Rheum). 



,, (of normal) Potato. 



,, (of etiolated) Potato. 



Roots of Beetroot or Mangold-wurzel. 

 Grains of Barley. 



,, Maize. 



„ Wheat. 

 Bitter almonds. 

 Fresh Malt. 

 ,, Yeast. 

 „ Spirogyra. 

 ,, Shoots of Elodea canadensis, or Spargayiium nataris. 



1 Schleicher and Schiill have recently introduced paper shells for use 

 •with Soxhlet's apparatus in place of the inner tube, which are very 

 satisfactory. 



