xiv 



TREES 



p. 7. Abies, 

 p. 7. Pseudotsuga. 



Persea. 

 p. 67. Prunus. 



p. 86. Ilex, 

 p. 45. Cinnamomum. 



p. 17. Phoenix. 



14. Buds very resinous. 

 Buds not resinous. 



15. Leaves simple. 16. 



Leaves compound or divided. (Palms). 21. 



16. Leaves broad but grass-like, 2-ranked. p. 15. Gramineae. 

 Leaves sword-like or else basaL p. 16. Yucca. 

 Leaves neither sword-like nor as in grasses. 17. 



17. Stipule-scars encircling the twig. p. 42. Magnolia. 

 Stipule-scars not encircling the twig. 18. 



18. Leaves glaucous beneath. 

 Leaves not glaucous. 19. 



19. Leaves with nectar-glands beneath. 

 Leaves without nectar-glands. 20. 



20. Not aromatic: leaves often pungent. 

 Smelling of cinnamon or camphor. 



21. Leaves appearing as if pinnate. 22. 

 Leaves palmately divided. 24. 



22. Lower leaflets spine-like. 

 Leaflets not spine-like. 23. 



23. Flower-clusters from between the leaves. p. 17. Cocos. 

 Flower-clusters below the leaves. p. 18. Oreodoxa. 



24. Midrib of leaves recurving. p. 17. Sabal. 

 Midrib straight. p. 17. Washingtonia. 



Leaves opposite. 



25. Leaves spreading. 26. 



Leaves closely appressed to twig. 27. 



26. Leaves very stiff: fruit a cone. 

 Leaves stiff: fruit rather fleshy. 



Leaves flexible. (Chamaecyparis or Thuja). "Retinispora". 



27. Leaves all alike: twigs not flattened. 28. 



Leaves flat on the sides of the flattened twigs, and 

 v-grooved on their edges. 30. 



28. Foliage-sprays not fan-like: fruit fleshy, p.14. Juniperus. 

 Foliage-sprays 1 fan-like: fruit a cone. 29. 



29. Seeds 2-3 under eatSi cone-scale. p. 14. Chamaecyparis. 

 Seeds numerous under each scale. p. 13. Cupressus. 



p. 11. Sequoia, 

 p. 14. Juniperus. 



