One Newly Recorded Genus Microcaryum of Boraginaceae from Xizang Karyotype of Antiotrema dunnianum (Boraginaceae), a species endemic to China AN ENUMERATION OF THE BORAGINACEOUS PLANTS COLLECTED BY H. SMITH FROM CHINA DURING 1921-22, 1924 AND 1934 Boraginaceae in Loess Plateau from China Pollen Morphology and Exine Ultrastructure of Genus Cordia in Boraginaceae in China Floral Morphogenesis of Thyrocarpus glochidiatus Maxim.(Boraginaceae) A New Species of Trigonotis (Boraginaceae) from Guangxi New taxa of Boraginaceae from China Trigonotis jinfoshanica, a new species of Boraginaceae from SW China New taxa of Boraginaceae from China Chemical contituents in leaves of Ehretia thyrsiflora Two New Species of Boraginaceae from Xizang