FLORA OF LOS ANGELES AND VICINITY 



Family 1. PINACEAE. Pine Family. 



Resinous evergreen or rarely deciduous trees or shrubs, 

 with linear, needle-like or scale-like leaves, arranged in 

 spirals or cycles. Flowers surrounded at base by the 

 persistent bud scales, monoecious or dioecious, the 

 staminate consisting of few to many stamens, with 2 to 

 several pollen sacs, the ovulate of few to many scales, 

 bearing 1 to several pendent or erect ovules on their 

 inner surface. Fruit a w^oody cone, or the scales be- 

 coming fleshy and coalescent (Juniperus). Seeds with 

 or without wings; embryo axile in the copious endo- 

 sperm; cotyledons 2 to several. 



A family of about 45 genera and approximately 225 

 species, widely distributed over the globe but most 

 abundant in the north temperate zone. On account of 

 the great interest of this family all the species found in 

 southern California are described. 



Leaves not scale-like, spirally arranged. 



Leaves surrounded at base by a deciduous or 

 persistent sheath, in bundles of 2-5 (soli- 

 tary in one species). 1. PiNUS. 

 Leaves naked, scattered and often appearing 

 2 -ranked. 

 Cones pendent, their scales persistent. 2, Pseudotsuga. 

 Cones erect, their scales deciduous. 3. Abies. 

 Leaves scale-like, in cycles of 2-4. 

 Cones woody; monoecious. 



Leaves appearing as if in whorls of 4; 



cones and scales oblong. 4. Libocedrus. 



Leaves in whorls of 2; cones globose; scales 



peltate. 5. Cupressus. 



Cones berry-like, the scales coalescent and 



more or less fleshy. 6. Juniperus, 



