Phofoiiiici'Oi;r(iplis of Botitnunl Studies. 



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33. L.S. Root of Onion, 

 "Allium cepa " 



Part of 32 x 200 sho\vin.t< 

 nucleus in various stages of 

 division (Karyokinesis). 



34. — T.S. Through Apical-cell of Root of Aspidium Filix-mas (Shield-fern.) 



Sections 1-6, passing 

 tiirough the same cell 

 at various planes in 

 transverse direction. 



35.— L.S. of Apical-cell of Aspidium Filix-mass (Shield -fern). 



Sections 1-6, passing 

 through the same cell 

 at various planes in 

 longitudinal direction. 



