Microstructural Observations and Cytochemical Studies on the Archegonial Development and Oogenesis of Marchantia polymorpha Development of Gametophyte and Oogenesis in the Fern Coniogramme emeiensis Ultrastructure of Oogenesis in Osmunda cinnamomea var. asiatica Ovarian development and oogenesis of Harmonia axyridis Pallas Ultrastructure of Oogenesis in Dryopteris crassirhizoma Nakai THE OOGENESIS FLIGHT SYNDROME OF RICE WATER WEEVIL, Lissorhoptrus oryzophilus Kuschel Development of Gametophyte and Oogenesis of the Fern Lygodium japonicum EFFECT OF ~(60)Co-γ IRRADIATION ON GERM CELL OF CHINESE CITRUS FLY Dacus citri Microstructural Observations on the Development of Gametophytes and Oogenesis in the Fern Pteridium aquilinum var. latiusculum Ultrastructural Observation and Cytochemical Analysis of Oogenesis in Marchantia polymorpha L. Studies on the Development of Gametophyte and Oogenesis of the Fern Microlepia platyphylla Microstructural Observation on the Development of Gametophytes and Oogenesis in the Fern Stenoloma chusanum Ultrastructural Observations on Oogenesis of the Fern Anisocampium sheareri