Contents: Foreword, Preface, I Introduction and Review of the Previous Work- Morphology of Androecium, Anther development, Pollen Morphology, Pollen Production and Pollen Germination, II Materials and Methods, III Experimental Findings, Anther Development, Pollen Morphology, Pollen Production and Pollen Germination, IV Discussion- Anther Development, Pollen morphology, Pollen Morphoforms and Their Production Relationships in Cucurbitaceae, Pollen Production and Pollen Germination, V Bibliography