The Pines of Australia. 



^50 



Figore 170. — Transverse section through branchlet and three decurrent 

 leaves of " Weeping Pine." The shape of the leaves with 

 their three oil cavities is unique amongst the genus. 

 Cailitris sp., x 40. 



Figure 171. — Transverse ?pction through branchlet and decurrcnt leaves 

 showing the unusual occurrence of three oil cavities in 

 eacli leaf. " Weeping Pine," Tasmania. Cailitris sp., x 40. 



Flcare 172. -Tran!kv«T>': vxtion, s'jm*: ai Figur»: 171, but showing that 

 three of the oil cavities have )U*t cirared the knife, hence 

 thc4e OTKan^ arc not canals. Caliiiris »p., x 40. 



Figure 173. -Transv<T'i<' section same as Figure 171. Cailitris sp.,x.io. 



Transverse sections through branchlet and decurrent leaves of Cailitris sp. 



