Three days. All 18 hours on 9 DVDs.
The publisher:

Overview of the Conifer family; Orders Pinales and Taxales. Natural history, themes & affinities. Agathis australis (Kauri). Cupressaceae & Juniperus. Sabina. Cupressaceae; Thuja. Pinaceae; Larix, Terebinthina. The Pine Family: P. nigra, P. genera, P. contorta, Pseudotsuga menziesii, Abies c., Taxus baccata, Taxus brevifolia. Endophytes. Sequoia sempervirens, S. giganteum. Pix liquida. Amber (Succinum). Conifers as a group.
The Silent Aroids: Introduction to the group. Themes and Affinities. Amorphophallus rivieri, Arum d., Arum t., Ictodes (Pothos) foetidus, Z. aethiopica, Lemna, Colchicum.
The Artemisia tribe: Abrotanum, Absinthium, Artemesia vulgaris, Achillea millefolium.