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)

Whippoorwill Flower (Trillium H.)

Plate 240 — North American wild flowers, v.3 (1925)

3 blomster, i midten en tulipan

Wake-Robin (Trillium simile)

Study of a Tulip ('t roosje)

Plate 84 — Choix des plus belles fleurs

Sweet Trillium (Trillium vasyi)

Butterfly Pea (Clitoria mariana)

Tuliptree (Liriodendron tulipifera)

Evening Primrose (Oenothera howardi)

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

Study of a Tulip (Anvaers)