12 slides

1 - Pine, root t.s.
2 - Pine, older woody stem (twig) t.s., with annular rings and resin ducts
3 - Pine, wood, three sections: transverse, radial, tangential
4 - Pine, wood cells, macerated and w.m.
5 - Pine, stem apex l.s., for meristematic tissue and leaf origin
6 - Pine, leaves (needles) t.s.
7 - Pine, male cone with pollen l.s.
8 - Pine, mature pollen grains, w.m. showing wings
9 - Pine, young female cone, l.s. shows ovules
10 - Pine, ovule with growing female gametophyte l.s.
11 - Pine, ovule with archegonia l.s.
12 - Pine, mature embryo with endosperm, t.s. with cotyledons