Sketch of a wood anemone - John Ruskin
 

Picking berries - John George Brown
 

Greenfinch - John Gould
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 23 - Robinet Testard
 

Etude de vegetation - Paul Gauguin
 

Yam and Sweet Potato - W. Fitch
 

Theatre of Hercules, from Delights of the Villa Castellazzo, by Domenico Felice Leonardi, published 1743 - Marc'Antonio dal Re
 

Coffee Tea Chocolate and Breadfruit - W. Fitch
 

Illustration of a woven basket for transporting plants - Gaspard Duche de Vancy
 

The Four Seasons Autumn - Frederick Gerald Kinnaird
 

High Altar of St Mary (detail of the Noli me tangere) - Veit Stoss
 

Dioscorea decaisneana Yam - (after) Lefebvre or Lefevre, Adolphe
 

Two Goats - Eugène Verboeckhoven
 

Beetles plate 38 from Fantaisies decoratives - (after) Habert-Dys, Jules-Auguste
 

Thrush with its nest - John Gould
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 43 - Robinet Testard
 

The Mulberry Tree, plate 126 from 'A Curious Herbal' - Elizabeth Blackwell
 

Boy with a Wheelbarrow - Ernst Josephson
 

Horseradish, plate 415 from 'A Curious Herbal' - Elizabeth Blackwell
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 2 - Robinet Testard
 

Bordighera 2 - George Howard
 

Poster advertising Alsace - P. Kauffmann
 

Chasse au Tigre (Ginestet and Pouillon 641) - Henri Julien Rousseau
 

Catmint - Anna de Noailles
 

One Two Buckle my Shoe - Constance Haslewood
 

Protecting blossom from frost from Thomas Mawsons The Art and Craft of Garden Making - Thomas Hayton Mawson
 

Study of Trees and Plants - Hans the Younger Leu
 

Great Tangley Manor Surrey with the Lily Pond and covered walk - Thomas H. Hunn
 

Walnut - Jacques (de Morgues) Le Moyne
 

Menu with Bamboo - Christopher Grant La Farge
 

Mischievous Kittens - Bessie Bamber
 

Amanita Caesaria from Phytographie Medicale - L.F.J. Hoquart
 

Trifid Burr-Marigold - William James Linton
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 21 - Robinet Testard
 

Forest Scene - Olaf August Hermansen
 

Flower Seller Flower Arranger - Ogata Gekko
 

Sugar Maple - (after) Redoute, Henri Joseph
 

Banana - Georg Dionysius Ehret
 

Illustration from Visitation of a London Exquisite to his Maiden Aunts in the Country, published 1859 2 - Theo
 

Design for a Ceiling Fresco - (after) Correggio, (Antonio Allegri)
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 31 - Robinet Testard
 

The Virgin and Child with St Anne - Libri Gerolamo dai
 

Echium prostratum - Continental School
 

The Garden - W.F. Richards
 

Etude de paysage - Berthe Morisot
 

Packing grapes - Henry Herbert La Thangue
 

Opuntia major validissimis spinis munita InftRH - Georg Dionysius Ehret
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 32 - Robinet Testard
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 18 - Robinet Testard
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 35 - Robinet Testard
 

Loboparadisea serica Waterbilled Bird of Paradise - W. & Keulemans, J.G. Hart
 

Head-tree - Odilon Redon
 

Euphorbia Helioscopia from Phytographie Medicale - L.F.J. Hoquart
 

Thistles - Jan van Kessel
 

Sideroxylon australe - Adam Forster
 

Harney Desert - Childe Hassam
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 28 - Robinet Testard
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 17 - Robinet Testard
 

Portrait of Adelaide Maria, Countess of Iveagh, reclining on an sofa in a palm-house - George Elgar Hicks
 

Kerkhof in Tanger - Jacobus Van Looy
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 9 - Robinet Testard
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 29 - Robinet Testard
 

A Study of Ferns Citivella - Edward Lear
 

Camellia Thea from Phytographie Medicale - L.F.J. Hoquart
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 42 - Robinet Testard
 

Still Life With Flower Pot And Vases - Patrick Henry Bruce
 

Tulip Tree Blossom - Frederick Childe Hassam
 

Moses before the burning bush - Jean Colombe
 

Design for a Ceiling Fresco 4 - (after) Correggio, (Antonio Allegri)
 

Design for a Ceiling Fresco 3 - (after) Correggio, (Antonio Allegri)
 

The arbor - Konstantin Egorovich Egorovich Makovsky
 

Leaf F, from Tian Jingzhai mozhu ce, from Rugao, Jiangsu province - Rang Tian
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 19 - Robinet Testard
 

Illustration from the Book of Simple Medicines by Mattheaus Platearius d.c.1161 c.1470 33 - Robinet Testard
 

Papyrus - James (Abyssinian Bruce) Bruce
 

Christ in the Garden of Gethsemane - Filippo Tarchiani

The Healing of Justinian by Saint Cosmas and Saint Damian 1438 - Angelico Fra

Lamentation over the Dead Christ, 1436 - Angelico Fra

Adoration of the Magi 1433 - Angelico Fra

Noli Me Tangere, 1440-41 - Angelico Fra

Annunciation 1450 - Angelico Fra

Conversion of St Paul 1430 - Angelico Fra

Deposition from the Cross (detail 1) 1437 - Angelico Fra

Communion of the Apostles 1450 - Angelico Fra