148 



CONIFEBALES RECENT 



OH. 



in L. Doniana the whorled arrangement is less obvious. There is a large 

 canal below the midrib of the leaf as in Thuya and Cupressus. The cones 

 (4 6 valves) are longer and relatively narrower than in Thuya; seeds un- 



FIG. 700. A, Young plant of Libocedrus decurrens; c, cotyledons; pr, primordial 

 leaves; tr, transitional leaves. B, Branch with adult (ad) foliage. (After 

 Rendle, from Veitch.) 



equally winged. Juniperus. The polymorphism of the shoots is especially 

 striking; the leaves, 2 3 in each whorl, being small and appressed, spinous 

 and spreading, or flat and linear. The very narrow leaves of J. Sabina 



