94 



SOCIAL CONJUNCTIVE SYMBIOSIS 



disadvantage is that it makes the climbing plant dependent. If the 

 liana does not chance to find a suitable support to climb upon it 

 cannot succeed in elevating its foliage much above the surface of the 



Fig. 39.— Spanish moss, an epiphytic seed plant on bald cypress in North 



Carolina. 



Fig. 40.— Epiphytic fig on a Palmetto tree. (Piiotograph by William Trelease. 

 Courtesy of Dr. George T. Moore and the Missouri Botanical Garden.) 



