biology

Indian Rhubarb Darmera peltata pencil drawing showing flowers and one leaf

Intermediate Hook moss Scorpidium cossonii with individual fascicle and one leaf

Iris seed pods, one open and the other not yet open

Iris in gravel with blue petals

Italian Rye grass Lolium multiflorum and individual spikelet

Hemlock Water dropwort Oenanthe crocata with details of the roots, of an individual leaf, and of one flower and one fruit

Ivy Hedera helix sprig and black berries

Hemp Agrimony Eupatorium cannabinum pencil drawing

Ivy leaf Hedera helix one lone leaf

Herb paris Paris quadrifolia with fruit emerging from four leaves

Ivy leaved toadflax Cymbalaria muralis in flwoer

Herb robert Geranium robertianum with one leaf scarlet and red stems clear, along with pink flowers and seed pods

Holly Ilex aquifolium leaves with a cluster of red berries at the centre

Hazel Corylus avellana tree pen and ink drawing of the shape of the thicket without leaves

Heath Bedstraw Galium saxatile showing lateral spreading growth and individual leaf detail. Fruits and flowers shown

Heath rush Juncus squarrosus with detail of fruit and on cross section of a leaf

Heath spotted orchid Dactylorhiza maculata with pale flowers and showing long spotted leaves

Heather Calluna vulgaris sprig

Hedge bindweed Calystegia sepium with binding stems and showing species specific calyx and several large flowers along with the leaves

Hedge woundwort Stachys sylvatica showing square stem and individual flower detail

Hedgerow cranesbill Geranium pyrenaicum with flowers and seed pods

Hard Rush Juncus inflexus in flower with detail of individual fruit and cross section of pith in the stem

Hellebore black death affecting both the white flowers are the leaves, pen and ink with watercolour wash

Harebell Campanula rotundifolia showing linear and round leaves