Cupressaceae (Redwood, Cypress Family)
     [conical-shaped]
     25-30 Genera
     110-130 species

     Includes former Cupressaceae and Taxodiaceae

I. Leaves

     A. Linear, subulate, or scale
     B. Alternate, opposite, or whorled
     C. Persistent or deciduous

II. Female Cones

     A. Bracts and scales partially or completely fused
     B. 2-12 erect ovules/scale
     C. Moneoecious or dioecious
     D. Mature cones wood, leathery, or semifleshy

III. Seeds

     A. Wingless or with 2,3 lateral wings
     
IV. Economic Importance

     A. Poles & Posts
     B. Shingles and Siding (resistent to warping & shrinking)
     C. Chest, Wardrobes, & Closet Linings
          (Color, fragrance, easily worked, repells moths)
     D. Pencil Slats
     E. Oils -> perfume, medicine
     F. Tourism
          1. Sequoia sempervirens (Coastal Redwood)
               "tallest trees in the world"
               370 ft. tall, 21 ft. diameter
               1-3,000 yrs old
          2. Sequoiadendron giganteum (Giant Sequoia)
               "one of the fattest trees in the world"
               250-280 ft. tall, 15-32 ft. diameter
               1-3,500 yrs old

V. Range

     A. Worldwide - both N. & S. hemispheresI. Metasequoia glyptostroboides (Dawn Redwood)
     [similar to sequoia-G]
     A. Opposite linear 15-25 mm leaves on short shoots
     B. Deciduous
     C. Discovered 1948 " Living Fossil"

II. Taxodium (Baldcypress)
     [yew-like]
     1-2 species

     A. Alternate linear 10-15 mm leaves on short shoots
     B. Deciduous
     C. Globose 2-2.5 cm female cones
     D. triangular seeds with wings
     E. Taxodium distichum

III. Thuja (Cedar, Arbor-vitae)
     [Grk name, "resinous"]
     5 species

     A. Dull yellow-green opposite leaves
          1. Facial leaves flattened
          2. Lateral leaves scale like, flattened about midrib
     B. Fan like foliage sprays
     C. Elliptical 12 mm long cones with 8-12 thin woody scales
     D. Seeds with two lateral wings
     E. Fibrous reddish - grayish brown bark with thin furrows
     F. Thuja occidentalis (Northern white cedar)
          1. Horizontally oriented foliage sprays
          2. Prominent glands on facial leaves
          3. Ovuliferous scales lack hook on spines at apices
     G. Thuja orientalis (Oriental arbor-vitae)
          1. Vertically oriented foliage sprays
          2. No or indistinct glands on facial leaves
          3. Ovuliferous scales have hooked spines at apices

IV.  Juniperus (Juniper)
     [Latin name]
     60 species 

     A. Dimorphic Leaves
          1. Opposite, scale like
          2. Ternate (whorls of three), Subulate (awl-like)
     B. Fibrous reddish brown bark with thin furrows
     C. Globose 6-15 mm fleshy fused "berry-like" bluish gray cone
     D. Wingless seeds
     E. Juniperus virginiana (Eastern Red Cedar)
          1. Small tree with dark green leaves
          2. four sided branches
     F. J. horizontalis (Creeping Juniper)
          1. Shrub with long trailing branches
          2. Various cultivars of different colorsTaxaceae (Yew Family)
     [Latin name]
     5,6 Genera
     18 species

I. Leaves
     A. Linear, decurrent, resinous 
     B. Alternate, some opposite

II. Seed
     A. Entirely or partially surrounded by fleshy aril

III. Economic importance
     A. Ornamental
     B. Taxus brevifolia (Pacific yew) taxol=anti cancer properties

IV. Range
     A. N. America, E. Asia, New Caledonia

Taxus cuspidata (Japanese Yew)