The Agave Family in Sonora
A New Hesperaloe From Sonora, Mexico
The Agaves of Baja California
Market Diseases of Citrus and Other Subtropical Fruits
Origin of the Common Bean, Phaseolus Vulgaris
The Agave Family in Sonora
A New Agave from Oaxaca, Mexico
Rio Mayo Plants
A New Gossypium from Michoacan, Mexico
Sierra Tacuichamona - A Sinaloa Plant Locate
Anomalosicyos, a New Genus in Cucurbitaceae
Taxonomy and Evolution of Vaseyanthus
The Genus Mimulus in Or Adjacent to Sinaloa, Mexico
Forage Expedition to Europe - 1956
Agave Geminiflora and Agave Colimana Sp. Nov
Putative Hybrids in Agave
Plant Exploration in Iran - 1955
A New Yucca From Sonor, Mexico