"Germinating peas, growing in water, one deprived of its cotyledons." -Bergen, 1896

Germinating Peas

"Germinating peas, growing in water, one deprived of its cotyledons." -Bergen, 1896

"Soaked Peas in stoppered bottle, ready for exhaustion of air." -Bergen, 1896

Soaked Peas

"Soaked Peas in stoppered bottle, ready for exhaustion of air." -Bergen, 1896