agriculture

Yam with plant attached

Tufted hair grass Deschampsia caespitosa with ligule, spikelet, lemma, and leaf cross section showing how each blade is rolled up

Upright brome Bromus erectus with ligule spikelet and lemma

Vivaparous grass Festuca vivipara

Wavy hair grass Deschampsia flexuosa with ligule, spikelet, and lemma detail

White clover Trifolium repens showing rooting nodes and pale chevrons on the leaves

Sweetcorn Zea mays plant

Tall fescue Festuca arundinaceae with ligule spikelet and lemma details

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

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

Sorghum Sorghum bicolor plant

Rye grass Lolium perenne and individual spikelet

Rye Secale cereale whole plant and seedhead

sheeps fescue festuca ovina with spikelet, lemma and ligule detail

Reed Phragmites australis

Reedmace Typha latifolia rhizome detail with roots and vegetative shoot growing from a rhizome

Rice Oryza sativa plant

Proso millet Panicum miliaceum with two seed heads

Purple Moor Grass Molinia caerulea

Reed canary grass Phalaris arundinacea pencil drawing of the spike

Potato Solanum tuberosum in flower with badly damaged leaves with Colorado beetle Leptinotarsa decemlineata on the leaf and also cut to white beetle. Egg, larva, and pupa

Clover root nodule diagram

Oat grass Avena ludoviciana with individual spikelet

Oil seed rape flower Brassica napus flowering spike in stippled pen and ink with watercolour top wash