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Home , Pinaceae, Pseudotsuga

menziesii Douglas-fir

Sight ID characteristics • linear, grooved above, 2-stomatal bands below, spirally arranged and many ranked • cones pendant, with exserted, 3-lobed var. menziesii • Pacific slope • 250!+ tall at maturity • Leaves yellowish-green • Seed cones 2.5”-4” long, 3-lobed bract appressed to cone and pointing towards cone apex var. glauca • Rocky mountains • 130! tall at maturity • Leaves blueish-green • Seed cones 1.5”-2.75” long, 3-lobed bract reflexed and pointing away from cone axis

53 NOTES AND SKETCHES

54 Pinaceae heterophylla western hemlock

Sight ID characteristics • Linear leaves of varying length, appear distichous • Leaves roughly equal width for entire length • Leaves with 2 diffuse stomatal bands below • Seed cones sessile, scales with wavy margins

55 NOTES AND SKETCHES

56 Pinaceae eastern hemlock

Sight ID characteristics • Linear leaves of varying length, appear distichous • Leaves taper +/- evenly from base to apex • Leaves with 2 distinct stomatal bands below • Seed cones stalked, scales with entire margins

57 NOTES AND SKETCHES

58 Pinaceae mountain hemlock

Sight ID characteristics • Linear leaves blueish-green, stomata on all surfaces, spirally arranged and many ranked • Seed cones larger, cone scales reflexed when dry

59 NOTES AND SKETCHES

60 Pinaceae Larix occidentalis western

Sight ID characteristics • Acicular leaves , spirally arranged on short shoots, lustrous green • Seed cones erect, shouldered and exserted

61 NOTES AND SKETCHES

62 Pinaceae tamarack

Sight ID characteristics • Acicular leaves deciduous, spirally arranged on short shoots, blueish-green, lustrous • Seed cones small – "” – #” long – erect, bracts only visible at base of cone

63 NOTES AND SKETCHES

64 Pinaceae subalpine larch

Sight ID characteristics • Acicular leaves deciduous, spirally arranged on short shoots, blueish-green • Tomentose young branches • Seed cones erect, bracts 3-toothed and exserted

65 NOTES AND SKETCHES

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