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)

Untitled (Autumn Leaves)

Oligocentra Lignicolor, Walker, study for book Concealing Coloration in the Animal Kingdom

Heterocampa Biundata, Walker, study for book Concealing Coloration in the Animal Kingdom

Plate 317 — North American wild flowers, v.4 (1925)

Copperhead Snake on Dead Leaves, study for book Concealing Coloration in the Animal Kingdom

Pl. 75 — New illustration of the sexual system of Carolus von Linnaeus

[Botanical Specimen]

Plate 32 — North American wild flowers, v.1 (1925)

Plate 30 — North American wild flowers, v.1 (1925)

1. Foglia di Fico. 2. Foglia di Spino bianco, ossia Crataegus

1. Foglia di Fico. 2. Foglia di Spina Bianco

Plate 396 — North American wild flowers, v.5 (1925)