THE ANGIOSPERMAE : ROOTS 



821 



Cuscuta 



Host 



Adhesive tissue 



Haustorium 





:-,-rv.-X: 



_ Union of vascular 



V <^-' y^r'"' supply of parasite 



% '-'-•-. l:,vO-'^^^' ' ■'"* '■•"' -^nd host 



.^-- ... ■ ^ 



V 



Fig. 818.— Ci«fM/rt epithvniuni (Dodder). 1 rans- 

 verse section of Clover stem, with parasitic stern 

 cut longitudinally showing haustorium and 

 adhesive pad. 



Fig Hig.—Artocarpus iiilegnjoha. 1 runk 

 surrounded by the clasping roots ot an 

 epiphytic Ficus. 



