biology

Tall fescue Festuca arundinaceae with ligule spikelet and lemma details

Teasing Georgia Rose, cream flower with buds and fully flowering bloom

Three leaved rush Juncus trifidus and habit sketch and fruit detail

Tobacco Nicotiana tabacum plant in flower showing limited caterpillar damage and Hornworm Manduca sexta on leaf, cut to white, and egg, pupa, and adult Carolina sphinx moth

Toothwort Lathrea squamaria flower with lack of chlorophyll explaining its parasitic life style

Tor grass Brachypodium pinnatum with ligule, spikelet, and lemma detail

Silver Birch Betula pendula tree shape without leaves, close up of bark, and sprig with leaves and catkins

St Johns Wort Hypericum with very pale leaves, rooting nodes, and buds as well as flowers

Skunk Cabbage Lysichiton americanus pencil drawing

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

Silver birch Betula pendula trees vignette

Soybean Glycine max with pods and one flower