TAXONOMY 
305 
\ I. Order Orchidales.— Orchidacea or Orchid Family .—Perennial 
herbs of terrestrial or terrestrial saprophytic or epiphytic growth, 
Fig. 168 .—Smilax officinalis —Portion of vine and rhizome. {Sayre.) 
having grotesque flowers. Roots fibrous or tuberous often sapro¬ 
phytic in relation, or aerial and with velamen. Stems and branches 
20 
