Two newly recorded species of the genus Cheilolejeunea (Lejeuneaceae,Hepaticae) in Hong Kong and China

Cheilolejeunea nipponica (Hatt.) Hatt. and Cheilolejeunea obtusifolia(Steph.) Hatt., previously endemic to Japan, are newly found in Hong Kong andZhejiang of China, respectively. Some variations of local plants and detailedillustrations based on Chinese material of the two species are provided. Fiveother Cheilolejeunea species are discussed. A preliminary checklist ofChinese Cheilolejeunea species with their distributional ranges in China isincluded. A preliminary key to the Chinese species of the genusCheilolejeunea is also presented.

日本唇鱗苔Cheilolejeunea nipponica (Hatt.) Hatt. 和鈍葉唇鱗苔Cheilolejeunea obtusifolia (Steph.) Hatt. 為細鱗苔科Lejeuneaceae植物，以前被認爲日本特有。在香港維多利亞山頂發現了日本唇鱗苔，而在浙江烏岩嶺自然保護區、百山祖自然保護區以及九龍山等地發現了大量鈍葉唇鱗苔。本文除了對這兩個中國新記錄的種作了詳細的圖解和特徵評論外，還對其它五個種作了討論，同時也提供了一份具有分布資料的中國唇鱗苔屬植物名錄以及檢索表。