Plate 161 — A second century of orchidaceous plants

Plate 40 — A monograph of the genus Lilium

Tab. XXV — The rhododendrons of Sikkim-Himalaya

Plate 191 — A second century of orchidaceous plants

Tab. IX — The rhododendrons of Sikkim-Himalaya

Tab. XII — The rhododendrons of Sikkim-Himalaya

Tab. III — The rhododendrons of Sikkim-Himalaya

Plate 186 — A second century of orchidaceous plants

Plate 46 — A century of orchidaceous plants selected from Curtis's botanical magazine

Plate 181 — A second century of orchidaceous plants

Tab. I — The rhododendrons of Sikkim-Himalaya

Tab. VI — The rhododendrons of Sikkim-Himalaya

Pozoa reniformis

Plate 185 — Flora Graeca, sive, Plantarum rariorum historia, quas in provinciis aut insulis Graeciae, v.2 (1813)

Plate 485 — Flora Graeca, sive, Plantarum rariorum historia, quas in provinciis aut insulis Graeciae, v.5 (1825)

Ranunculus acaulis

Epilobium linæoides

Geranium microphyllum

Sieversia albiflora

Ceratella rosulata

Plate 208 — North American wild flowers, v.3 (1925)

Cardamine depressa

Leptinella plumosa

Forstera clavigera