OF THE PJLATES. 



Plate III. LIBOCEDRUS DECURRENS, page 7. 



A branch bearing male aments, of the natural size. 



Portion of the same, magnified. 



A branch bearing mature fertile aments, of the natural s 



An anther, seen from the inside, magnified. 



The same seen from the outside. % 



A mature cone, of the natural size. 



A seed, slightly magnified. 



Vertical section of the same, more magnified. 



The embryo separated, and still more magnified. 



Plate IV r . COLEOGYNE KAMOSISS1MA, page 8. 



. 1. Plan of the flower. 



2. A flower-bud, magnified. 



3. A bract, equally magnified. 



4. An expanded flower, moderately magnifi u 



5. A stamen, front view, more magnified. 



6. The same, seen from behind. 



7. A flower laid open longitudinally, magniih 



8. The pistil, equally magnified. 



10. One of the centrally fixed hairs. 



Plate V. EMPLECTOCLADUS FASCICULATUS, page 10. 



A flower, on its short branch or spur, magn: 



The same laid open, and ir. 



A stamen, back view, equally magnili^!. 



A grain of pollen, highly magnified. 

 Pistil, moderately magnified. 



An ovule, more magnified. 



