THE NATIONAL FORESTS OF CALIFORNIA 



33 



TREES OF CALIFORNIA 



Alder: Mountain (Alnus tenuifolia). 

 lied (Alnus rubra). 

 White (Alnus rhombifolia ) . 

 Ash: Flowering (Fraxinus dipetala) . 



Oregon (Fraxinus oregona). 

 Aspen (see Poplar). 

 Bigtree (Sequoia washingtoniana) . 

 Birch: Red (Betula fontinalis) . 

 Boxelder (see Maple). 

 Buckeye, California (Aesculus calif or- 



nica ) . 

 Cedar: Incense (Libocedrus decur- 

 rens ) . 

 Port Orford (Chamaecyparte law- 



soniana ) . 

 Western red (Thuya plieata). 

 Cottonwood (see Poplar). 

 Cypress: Gowen (Cupressus goveni- 

 ana). 

 Monterey ( Cupressus macro- 

 car pa ) . 

 McNab (Cupressus macnabiana). 

 Pigmy or Dwarf (Cupressus pyg- 

 maea). 

 Fir: Bristlecone (Abies venusta) . 

 Douglas (Pseudotsuga taxifolia). 

 California Red (Abies magnifica). 

 Shasta Red (Abies magnifica shas- 



tensis ) . 

 White (Abies concolor) . 

 Golden Chinquapin (Castanopsis chrys- 



ophylla). 

 Hemlock : Mountain ( Tsuga merten- 

 siana). 

 Western (Tsuga heterophylla) . 

 Juniper: California (Juniperus cali- 



fornica ) . 

 Madrono (Arbutus menziesii) . 

 Maple: Bigleaf (Acer macrophyllum) . 

 California Boxelder (Acer ne- 



gundo calif ornicum ) . 

 Dwarf (Acer glabrum). 

 Vine (Acer circinatum) . 

 Nutmeg (Tumion calif ornicum). 

 Oak : California shin ( Quercus brew- 

 erii ) . 

 California black (Quercus Kel- 



loggii) . 

 California blue (Quercus doug- 



lasii). 

 Canyon live (Quercus ehrysolepis) . 

 Coast live (Quercus agrifolia). 

 Evergreen black (Quercus more- 

 hus). 



Ouk — Continued. 



Evergreen white (Quercus engeU 



mannii) . 

 Highland live (Quercus v;isli- 



zenii) . 

 Huckleberry (Quercus ehrysolepis 



vaccinifolia) . 

 Oregon white (Quercus garryana ) . 

 Sadler (Quercus sadleriana). 

 Scrub (Quercus dumosa). 

 Tan (Lithocarpus densiflora). 

 Valley white (Quercus lobata ) . 

 Oregon myrtle (Umbellutaria calif or- 



nica ) . 

 Palm : California ( Washingtonia fila- 



mentosa. 

 Pine: Bishop (Pin us muricata ) . 

 Bristlecone (Pinus aristata). 

 Coulter (Pinus coulteri). 

 Digger (Pinus sabiniana). 

 Foxtail (Pinus balfouriana). 

 Jeffrey (Pinus jeffreyi). 

 Knob-cone (Pinus attenuata) . 

 Limber (Pinus flexilis) . 

 Lodgepole (Pinus contort a). 

 Monterey (Pinus radiata). 

 Parry Pinon (Pinus parryana). 

 Singleleaf Pinon (Pinus mono- 



phylla). 

 Sugar (Pinus lamoertiana) . 

 Torrey (Pinus torreyana). 

 Western white (Pinus montieola). 

 Western yellow (Pinus ponderosa). 

 Whitebark {Pinus albicaulis). 

 Poplar: Aspen (Populus tremuloides) . 

 Black cottonwood (Populus tri- 



chocarpa). 

 Cottonwood (Populus fremontii). 

 Redwood (Sequoia semper circus) . 

 Sequoia (see Bigtree and Redwood). 

 Sycamore, California (Platan us m<<- 



mosa ) . 

 Spruce: Bigcone (Pseudotsuga mac- 

 rocarpa ) . 

 Engelmann (Pice a engebnannii) . 

 Sitka (Pieea, sitchenxis) . 

 Weeping (Picea breiveriana). 

 Walnut: California (Juglans califor- 



nica). 

 Willow: Black (Sali.r nigra). 



Mountain or Nuttall's (Salix scou- 



leriana). 

 White (Salix lasiolcpis) . 



SIX RULES FOR PREVENTING FIRE IN THE FORESTS 



1. Matches. — Be sure your match is out. Break it m two before 

 you throw it away. 



2. Tobacco. — Be sure that pipe ashes and cigar or cigarette stubs 

 are dead before throwing them away. Never throw them into brush, 

 leaves, or needles. 



