Fig. 159. Tree-trunk with epiphytes, Blumenau, Brazil. Below: Vriesea. Above: 

 Rhipsalis sp. To the right: cord-like aerial roots (absorbing roots) of Philodendron sp. 

 To the left : an obliquely ascending liane-stem. From a photograph by H. Schenck. 



To face p. 318.] 



