illustration

Slender St Johns Wort Hypericum pulchrum

Slender St Johns Wort Hypericum pulchrum showing red basal leaves and details of the calyx

Small scabious Scabiosa columbaria with flower detail and showing vegetative growth along a stolon

Snakeshead fritillary Fritillaria meleagris flowers

Sneezewort Achillea ptarmica plant

Snowball tree Viburnum opulus sterile with detail of individual flowers

Snowdrop Galanthus nivalis pencil drawing

Snowdrop Galanthus nivalis with one flower

Soft rush Juncus effusus pecil drawing

Somerset redstreak apple Malus domestica with apple blossom, leaves, and two ripe apples

Sorghum Sorghum bicolor plant

Silver birch Betula pendula pen and ink tree shape without leaves

Southern Marsh Orchid Dactylorhiza praetermissa

Rowan Sorbus aucuparia tree ink drawing without leaves

Rowan Sorbus aucuparia sprig of leaves, clutch of orange berries and white flowers

Rye grass Lolium perenne and individual spikelet

Rye Secale cereale whole plant and seedhead

Sage Salvia officinalis in flower

Salad burnett Sanguisorba minor with detail of individual male and female flowers

Sanicle Sanicula europea with flower detail and seeds shown on the plant as well as flowers

Scots pine Pinus sylvestris trees in pen and ink from young dapling to mature adult tree

Scots pine Pinus sylvestris tuft with mature cone and green cones

Seaside centuary Centaurium littorale growing on a dune

Sharp Flowered Rush Juncus acutiflorus with fruit and cross section of stem to show pith detail