Red Lily (Lilium montanum)

Eustoma russelianum

Untitled (Calla Lily)

Quill-Leaf Tillandsia (Tillandsia fasciculata)

Mexican Fremontia (Fremontodendron mexicanum)

Plate 398 — North American wild flowers, v.5 (1925)

Cannas and Cypress Vine (Canna species and Ipomoea quamoclit)

Flame Azalea (Rhododendron speciosum)

Bourgeau Rose (Rosa bourgeauiana)

Umbrella Tree (Magnolia tripetala)

California Poppy (Eschscholtzia californica)

Mountain Rose-Bay (Rhododendron catawbiense)

Plate 52 — North American wild flowers, v.1 (1925)

Plate 327 — North American wild flowers, v.5 (1925)

A New Pitcher Plant from the Limestone Mountains of Sarawak, Borneo

Plate 329 — North American wild flowers, v.5 (1925)

Plate 331 — North American wild flowers, v.5 (1925)

En tulipan med flammede kronblade

Plate 236 — North American wild flowers, v.3 (1925)

Untitled (Jack in the Pulpit)

Evening Primrose (Oenothera howardi)

California Pitcherplant (Chrysamphora californica)

Tafel 62 — Kunstformen der Natur

Whippoorwill Flower (Trillium H.)