Plant trichomes

Fig. 1 Trichomes from dogwood leaf (Cornus sp.)

Fig. 1B X-ray spectrum from dogwood leaf trichome
shows high content of calcium, oxygen and carbon
as well as traces of magnesium.

Fig. 2 Plant trichome from Cotoneaster sp.

Fig. 2B Close-up of trichome from Cotoneaster sp.

Fig. 3 Trichome from unknown plant species

Fig. 4 Trichome from unknown plant species