preface acknowledgments pittosporaceae 海桐花科 hamamelidaceae 金缕梅科 eucommiaceae 杜仲科 platanaceae 悬铃木科 rosaceae 蔷薇科 connaraceae 牛拴藤科 index to chinese names index to pinyin names index to scientific names index to families in the flora of china and the flora reipublicae popularis sinicae published volumes of the flora of china and the flora of china illustrations