72 THE BOOK OF EVERGREENS. 



Jimiperus (JUNIPER.) 12. Fruit of few scales, with 

 1 to 5 ovules at the base of each, ripening into a drupe- 

 like berry. 



* * Fruit a small cone, with the scales valvate, i. e., meeting at the 

 edges, but not overlapping. 



Widdringtonia. 13. Scales of the cone 4, equal in 

 size, 10-seeded. 



Callitris. 14. Scales of the globular, woody cone, 4, 

 the alternate scales smaller, 1 to 2-seeded. 



LiboccdrilS. 15. Scales of the oval, leathery cone, 4, 

 the alternate scales smaller, 1-seeded. 



Actinostrolms. 16. Scales of cone 6, equal, 1-seeded. 



Frcncla, 17. Scales of cone 6, the alternate ones 

 smaller, many seeded. 



Fitzroya. 18. Scales of cone 9 (?), in whorls of 3, 

 many seeded. 



* * * Fruit a cone, with imbricated or overlapping scales. 



Thuja (AMERICAN ARBOR YIT^E.) 19. Cone ovate; 

 scales leathery, 2-seeded. 



Thlljopsis. 20. Cone globular; scales woody, 5-seeded. 



* # # Fruit a cone, with shield-shaped scales, mostly pointed at the 

 apex. ^ 



Biota (CHINESE ARBOR VITJS.) 21. Cone obovoid; 

 scales leathery, 2-seeded. 



Cupressus (CYPRESS.) 22. Cone globular; scales 

 woody, many seeded ; seeds mostly without resinous dots. 



Retinispora* 23. As in Cupressus, the seeds marked 

 with resinous blotches or cells. 



Cryptomeria. 24. Cone globular, woody, with wedge- 

 shaped scales fringed on the edges. 

 B Leaves deciduous, or nearly so. 



Taxodium (DECIDUOUS CYPRESS.) 25. Leaves in 

 two TOWS ; cones globular ; scales shield-shaped, woody. 



