_ 93 - NUTRITION OF PLANTS 



WITHOUT CHLOROPHYLL. 



48. Parasite. Orobanche : 



(a) Living plant seen attached to its host. 



(6) Connection of root of parasite with root of host seen under the micro- 

 scope. 



(c) Section through the point of junction of parasite and host seen under 

 microscope to show the connection of the vascular bundles. 



49. Symbiotes. Mycorhiza of ?inus : 



(a) Roots seen with the naked eye, showing terminal swellings due to the presence 



of a mycorhiza. 

 (6) Root cleared in chloral hydrate seen under a low magnification to show the 



fungal hyphae. 



