15 slides

1 - Ephedra, l.s. of male cone
2 - Ephedra, l.s. of female cone at pollination time
3 - Ginkgo, young sprout, t.s.
4 - Ginkgo, t.s. of leaf
5 - Pinus, pine, t.s. of young root
6 - Pinus, pine, t.s. of first year stem
7 - Pinus, pine, l.s. of bud showing vascular anatomy and origin of leaves
8 - Pinus, pine, wood, transverse, radial and tangential sections
9 - Pinus, pine, t.s. of needles (leaves)
10 - Pinus, pine, w.m. of mature pollen grains
11 - Pinus, pine, l.s. of male cone
12 - Pinus, pine, l.s. of young female cone
13 - Larix, larch, t.s. of needles (leaves)
14 - Larix, larch l.s. of male cone
15 - Larix, larch l.s. of female cone with ovules