60 A TEXT-BOOK OF BOTANY 
(1) Cladophylis.—If the greenhouse smilax, often called 
wedding smilax, be examined, the apparent leaves will be 
discovered to be branches modified so as to assume the 
form and work of leaves, each one of these leaf-like branches 
standing in the axil of a minute scale-like leaf (Fig. 58, A). 
Such branches are called cladophylls, which means “ leaf-like 
Tic. 58.—Cladophylls: 4, wedding smilax (the apparent leaves are the modified 
branches, and the real leaves are the minute scales that subtend them); B, 
Phyllociadus. 
branches.”’ In the Australian region a group of evergreens 
is characterized by bearing cladophylls; and the young 
plantlet shows the gradual change of true green leaves 
into little scales, and of branches into cladophylls (Fig. 
58, B). In the common garden asparagus the apparent 
slender, needle-like leaves are all cladophylls doing lea 
work. 
(2) Tendrils.—It was shown (§ 20) that leaves or parts 
of leaves may develop as tendrils, and this is true also of 
