Commercial Gardening 



Fig. 41. Pitcher Plants 



1, Sarracenia variolarix. 2, Darlingtonia cali/omica. 3, Sarracenia laciniata. 4, Nepenthes 

 villosa, reduced to one-half natural size. 



suddenly ceases to grow, and the midrib develops by itself for several 

 inches. Eventually, however, a pouch-like organ or "pitcher" is formed 



