中国兰科植物一新种——云南巾唇兰

对中国兰科植物新种云南巾唇兰Pennilabium yunnanense S.C.Chen&Y.B.Luo作了描述和绘图。该新种与P.acuminatum（Ridley）Holttum较为接近,区别点在于具较小的花朵,直径仅3cm;花瓣白色且上面有深紫色斑点,以及唇瓣侧裂片顶端有流苏。     

广西苦苣苔科新植物(续一)

Five new species of Gesneriaceae from Guangxi of China are described and illus-trated.  They are Oreocharis heterandra , Didymostigma leiophyllum , Chirita macrodonta ,C. macrorhiza and C. liujiangensis.     

《西藏植物志》新增补(2)

The present paper is the Supplement 2 to the Flora of Xizang,  based upona collection in 1980 by Mr. W. L. Chen et al. from Mêdog,  the south-eastern part ofXizang.  In the paper 11 new species are desribed and 10 new-record species are repor-ted.  All the type specimens are kept in the Herbarium of the Institure of Botany, Academia Sinica (PE).     

中国岩蕨科植物研究(二)——成熟孢子体的比较形态解剖

本文报道了国产岩蕨科19个种l变种的比较形态解剖研究结果,其中10个种为我国 特有。  通过对根、根状茎、叶轴和叶柄关节的解剖,对叶、毛状体和孢子囊群的比较形态观察,及对20种孢子扫描电镜观察,扼要讨论了它们与系统发育和分类的关系。     

银兰和金兰的核型研究

本文报道了国产头蕊兰属植物银兰和金兰的核型：  (1)银兰为  2n=34=10m十  14sm＋10st。金兰有两种细胞型,A型为2n＝34＝8m+16sm十10st;B型为2n=34=  8m+22sm十4st。  后者为一个由染色体结构变异所产生的易位同型纯合子  (translocation  homozygote),是由A型通过第1对染色体的短臂与第3对染色体的长臂之间的易位所产生。  在植株外部形态上未见明显差异。  (2)按Stebbins(1971)的标准,三种核型均属不对称的  “3C”型。     

广西、甘肃轮藻属新植物

In order to get a thorough understanding of the Characeae, the specime-ns collected from Guangxi and Gansu were identified.  The result shows  that  thetwo provinces, especially Guangxi, are abundant in this family.  In this paper,  ho-wever, reported are only new species, new varieties and new records of Chara in China.They are Chara vernicosa sp. nov. C. globularis var. inflata var. nov. and C. howe-ana var. subgymnophylla var. nov., C. brionica stapf and C. calveraensis comb. nov.     

中国拉拉藤属(茜草科)资料

This paper presents an introduction to the materials for Chinese  GaliumLinn. (Rubiaceae).  Thirteen species and eight varieties are recorded in the  paper.Among these, two species and two varieties are new, eleven species and five varietiesare new to China, and one variety is a new grade.