Karyotypes of Six Populations of Four Species in the Genus Mallotus(Euphorbiaceae)from China Chromosome Numbers of Six Species of Mnium from Qinling Range in China Chromosome Numbers of Some Scattered Bamboos The Gnetales: Recent insights on their morphology, reproductive biology, chromosome numbers, biogeography, and divergence times STUDY ON KARYOTYPES OF ARTEMISIA SECT.ARTEMISIA Y.R.LING. IN NORTHEAST CHINA New Chromosome Counts and Their Taxonomic Implications in Primulina sensu lato (Gesneriaceae) Meiotic studies in some selected angiosperms from the Kashmir Himalayas Cytological study on the genus Syncalathium (Asteraceae-Lactuceae), an endemic taxon to alpine scree of the Sino-Himalayas Study on Chromosome Numbers of Two Paraphlomis Species Karyotype Analysis of Five Species of Cycas (Cycadaceae) in China CHROMOSOME NUMBERS OF SEVEN WILD ECONOMIC PLANTS FROM CHINA THE CHROMOSOME NUMBERS OF 13 SPECIES IN SMILAX L. STUDY ON KARYOTYPES OF ARTEMISIA SECT. LATILOBUS Y.R.LING.IN NORTHEAST CHINA The Chromosome Numbers of Two Species in Brassicaceae TLC analysis on essential oilin Houttuynia cordata with different chromosome numbers A Report on Chromosome Numbers of Chinese Umbelliferae Studies on chromosome numbers of Salvia miltiorrhiza, S.flava and S.evansiana Chromosome Study of Monotropa (Monotropaceae) Karyotypes of three species in Ardisia A Cytological Study of the Genus Ammopiptanthus STUDIES OF CHROMOSOME OF FOUR SPECIES IN LYSIMACHIA FROM CHINA THE CHROMOSOME NUMBERS OF 7 SPECIES IN SMILAX L. AN OBSERVATION ON THE CHROMOSOME NUMBERS AND KARYOTYPES OF TWO SPECIES OF LYSIMACHIA