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Composition of both spermatophyte and pteridophyte flora of a relict Alsophila spinulosa community in Wutongqiao Nature Reserve of Leshan region was discussed. It shows the proportion of Tropic and Cathaysia elements in both spermatophyte flora and pteridophyte flora was almost 2/3 of the total at the genus level, and even more at the family level. There was a distinct ancient endemism phenomenon in spermatophyte flora, owning to being 8 relict and remnant endemism genera in the total of 9. Furthermore, the proportion of Tropic and Cathaysia elements both at family and genus level in the pteridophyte flora were much greater.

选以乐山五通桥桫椤自然保护区-桫椤群落的种子植物区系与蕨类植物区系组成为研究对象，发现种子植物区系在属的水平上热带成分与古华夏成分占到近2/3，在科的水平上则更高；种子植物区系中有9个中国特有属，其中8个为残遗或原始类型的古特有属，表现出典型的古特有现象；而在蕨类植物区系中热带成分和华夏成分所占比重更大。

Any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea.

任何属于蜀葵种的植物的一种；有与a种类似但比它小一些的花。

Enemion is the most primitive genus in this subfamily, from Enemion, other genera were derived through two different parallel phylogenetic sequences. Isopyrum is the typical genus of one evolution branch, while Aquilegia is another one.

假扁果草属是本亚科最原始类群，由该属沿两条不同的进化路线平行演化，一分枝以扁果草属为代表，一分枝以Aquilegia属为代表。

Large genus and variable genus of chiefly epiphytic or lithophytic orchids of tropical and subtropical Asia and Australasia.

附生和石生兰花一个多样的大属，主要为热带和亚热带亚洲和澳大拉西亚的附生和石生兰花。

Small but widely distributed genus of orchids closely related to genus Cleistes;: of damp or boggy areas of north temperate zone.

一个广泛分布的兰花属；产于北温带潮湿或多沼泽地区。

Small genus of Old World herbs usually included in genus Brassica.

旧大陆草本植物的一个小属，常归入芥属。

In his review, Schmidt (1928) retained Spix's name, although he believed that there were sufficient differences between the black caiman and other caimans placed in Spix's genus to warrant placing it in another genus.

在他的审查，施密特（ 1928年）保留Spix的名字，但他认为，有足够的分歧黑色凯门鳄和其他caimans放在Spix的属，值得您将它放在另一属。

Based on the distribution of the genera in the world,the eight distribution types of the genera were divided.In addition,the distribution characters of the Perlidae in China were also probed preliminarily.So far two subfamilies,four tribe and twenty genera have been found in China.Ten of them,of which three genera are endemic to China,are the Oriental genera;one Palaearctic genus;three Oriental-Palaearctic genera;one Oriental-Nearctic genus;four Oriental-Palaearctic-Nearctic genera and one Oriental-Palaearctic-Nearctic-Afrotropical genus.

文中还就中国郋科昆虫的地理分布及特点作了初步的探讨，结果表明：在我国已知的2亚科4族20个属中，东洋区分布的有10个属，其中有3个属仅分布于我国；古北区分布的有1个属；东洋-古北区分布的有3个属；东洋-新北区分布的有1个属；东洋-古北-新北区分布的有4个属；东洋-古北-新北-非洲区分布的有1个属。

Our interpretation of the results from parsimony, distance and maximum likelihood based phylogenetic analyses suggest:(1) African colobines and Asian colobines have been independent evolutionary entities for a long time; the divergent time is estimated to occur 10 million years ago based on a molecular clock of 2% substitution per site per million years;(2) both Rhinopithecus and Trachypithecus could be regarded as separate genus;(3) Pygathrix and Rhinopithecus are sister groups while Presbytis and Trachypithecus are closely related;(4) both the Sichuan and Yunnan snub-nosed monkey represent valid species respectively;(5) within genus Trachypithecus, T. phayrei is closely related to T. cristatus and T. auratus, while T. francoisi is distinct from them; the white-headed leaf monkey, however, should be a subspecies of T. francoisi;(6) within genus Presbytis, P. thomasi should be separated as a valid species from P. melalophos, but the genetically divergent degree between P. comata and P. melalophos implies that P. comata may just be a subspecies of P. melalophos.

结果表明：（1）非洲疣猴与亚洲疣猴的分歧已非常明显，按分子钟推算的分歧时间约在1，000万年前；（2）Rhinopithecus和Trachypithecus均应成为独立的属；（3）白臀叶猴属与金丝猴属关系较近，Presbytis属和Trachypithecus属关系也较近；（4）我国的川、滇金丝猴应分别被视为独立的物种；（5）在Trachypithecus属中，菲氏叶猴与银叶猴(T.cristatus)和乌木叶猴亲缘关系较近，黑叶猴(T.francoisi)则与它们的关系较远，曾被怀疑为一个种的白头叶猴(T.f.leucocephalus)应只是黑叶猴的一个亚种；（6）在Presbytis属内，托氏叶猴应从僧帽叶猴(P.melalophos)中独立出来成为一个有效种，但我们的结果倾向于将灰发叶猴置为僧帽叶猴的一个亚种。

We got a conclusion that only biflavonoids bearing flavan moiety existed in Daphne gemus, that biflavanones and chamaechromonoids existed in Stellera genus, and that biflavanones and biflavonoids bearing flavan moiety existed Wikstroemia species. The opinion that biflavanones only existed in Stellera genus was corrected and they were also found in Wikstroemia genus.

通过总结发现，在瑞香属的植物中仅存在含有黄烷单元的双黄酮类化合物；狼毒属植物中存在双二氢黄酮类，狼毒色原酮类以及少数含有黄烷单元的双黄酮，而且目前发现狼毒色原酮类仅存在于该属植物中；荛花属植物中存在含有黄烷单元的双黄酮类和双二氢黄酮类。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。