Ginkgo 1, 2

Male -staminate strobilus.

Female - young ovule; ovule with micropyle; ovule l.s.; fruit.

Herbarium mount.

Specimens of fruit, leaves, ( 1, 2 ) etc.

Zamia (1, 2)

Male - staminate cone. (1, 2)

Female - ovulate cone (1, 2, ); archegone; ovule, l.s., embryo; mature embryo.

Specimens - life history set; male cones; female cones; seeds.

Ephedra (1, 2,3, )

Female strobili, male strobili, specimens in glass tubes.

Welwitschia (1,2, 3 ) (Male inflorescence)  4, 5  (Female inflorescence) 6)

Gnetum (1, 2, 3,4, )

Pinus

Male - entire strobilus (1, 2 ); staminate strobilus  (1, 2, 3, 4,) ; pollen ( 1 ), w.m.; pollen tubes.

Female - cone (young 1, 2 ), early med. l.s. (1 , 2, 3, ); ovule; megaspore mother cells; free nuclear stage; archegonia (esp. med. sec.); proembryo and suspensors; mature embryo, seedling ( 1, 2, 3, 4, ).

Stem - x.s. meristematic stem; 1 year stem; older stem; ( 1, 2, 3 )

Pinus strobus - 3 wood sections - x.s., radial and tangential.

Leaves - x.s. of several forms, including Pinus monophyla with 1 leaf per fascicle, 2, 3 and 5 leaf types.
 

Specimens - cones of various types; pistillate - young, 1 yr, 2 yr, old ; staminate cones.
 

Herbarium mounts - White Pine (5 leaf type); Virginia or Scrub Pine (2 short twisted needles) ( 1, 2,3, ) ; Pitch Pine (3 needles).

Miscellaneous

Examine x.s. of leaf of Picea - spruce. Note angled edges as described in class. 1, 2,3.

Observe twig x.s. with leaves, for the following groups which we discussed in class: also observe the linked photos of the various genera.

Abies - Fir  (1, 2, 3)

Larix - Larch (1, 2, 3)

Metasequoia - Dawn Redwood (1, 2)

Picea - Spruce ( 1, 2, 3, 4)

Pseudotsuga - Douglas Fir (1, 2)

Sequoia - Redwood (1, 2, 3, 4, 5)

Sequoiadendron - Sequoia/California Big Tree (1, 2, 3, 4)

Taxodium - Bald Cypress (1, 2, 3,4, 5)

Taxus - Yew (1, 2, 3)

Tsuga - Hemlock (1, 2, 3, )
 
 

Herbarium mount of Red Cedar, Juniperus virginiana, White Cedar (Arbor Vitae), Thuja. (1,2, )

Other useful links:

Conifer Characteristics (Slow, but good) Photos and descriptions of most conifer groups.
UNB Forestry and Environmental Management, IMAGES OF DENDROLOGICAL AND DEVELOPMENTAL FACETS OF TREE SPECIES