400 



BOTANY. 



li'ig. 296). These structures, which may be called carpel' 

 lary leaves, show their relationship to ordinary foliage leaves 



Fig. 296.— A pinnate, open carpellary leaf of Cycas remlvta (rednced one half). /, 

 unaltered pinnse ; sk, young ovules replacing the lower pinnae ; sk\ fully developed 

 ovule.— After SacbB. 



in having pinnse toward their summits (/, Pig. 396). 



The examples given will illustrate the general structure of 



logues of the " scales " of jd.Mes. Either interpretation would necessi- 

 tate a considerable change in the systPinatio arrangement of Taxinecp,. 



