watercolor wash

Peach tree Prunus persica tree in fruit showing tree form and peaches on branches and on ground.

Field maple Acer campestre pen and ink illustration with watercolour wash.  Illustration shows winged seeds flushed with red, and spread at species specific wide angle.

Common Fig Ficus carica pen and ink illustration with watercolour wash, showing fig and half fig

Sweet chestnut Castanea sativa pen and ink illustration with watercolour wash.  Illustration shows detail of blossom, an opened spiny seed case, and a and lone chestnut.

Lime or Linden Tilia cordata pen and ink illustration with watercolour wash. Illustration shows detail of individual fruit and of individual flower.

Plum Prunus prunus pen and ink illustration with watercolour wash.  Showing details of half plum with stone, and white blossom on twig.

Blackthorn Sloe Prunus spinosa pen and ink illustration showing fruit and blossom on a spiny branch with watercolour wash

pen and ink stippled diagram of a worm with detail of the spines that help earthworms move

Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens

Fish scales used to age a fish with zoom in annuli of fish scales