wash

Lilac Syringa vulgaris tree pen and ink.  Illustration shows the tree in full bloom.

Magnolia tree Magnolia grandiflora tree pen and ink with colour wash.  Illustration shows the tree in flower, before the leaves appear.

Guelder rose shrub Viburnum opulus pen and ink with watercolour wash.  Illustration shows the shrub in bloom.

Medlar Mespilus germanica tree pen and ink with colour wash.  Illustration shows tree with fruit.

Staghorn sumac Rhus typhina tree pen and ink with colour wash

Witch-hazel tree Hamamelis virginiana in bloom in winter.  Illustration shows snow on the ground, and twigs visible.

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

Swift Apus apus compared to  passerine wing shape and bones diagram

White clawed crayfish Austropotamobius pallipes very simplifies line and wash drawing showing the crusatcean in profile