THE BOTANICAL MAQAZIMS* [Vol. xxi. No. 2*f, 



Explanation of Plate I. 



1. Fragment of a branch, natural size. 



2. Fragment of a young branch, natural size. 



3. Leaves from a fertile branch. 



4-. Leaf from a young sterile branch. 



5. Scales of the cone with minute bracts at the base. 



6. Scale seen from withen, showing two winged seeds. 



7. Scale showing two winged seeds, one partially hidden behind 



the other. 



8. Scale from the inner side, seeds taken off, showing the traces 



where the seeds were attached. 



9. Scale of a young cone with two abortive ovules. 



10. Ovule showing its reversed position. 



11. Seed. 



12. Albumen. 



13. Embryo. 



14. Transverse section of a leaf, (of a adult branch). 



15. A portion of the upper surface. 



16. A central portion with the median handle. 



17. Trachcid with bordered pits of the transfusion tissue. 



18. A portion of the under surface. 



(ep= epidermis; hy = hypodcrmis; ch = chlorophyll-parenchyma; | 

 |xv = xylcm; tr= transfusion tissue; ph=phloem; res = resin canal./ 

 (Figs. 3-18 enlarged). 



