石松

The outstanding nomenclatural problems in the Palaeozoic arborescent lycopsid Cyclostigma are discussed,which include four aspects:1valid publication and author citation of Cyclostigma;2synonym,homonym,and replacement name of Cyclostigma;3conservation of Cyclostigma;and 4typification of Cyclostigma.

文章讨论晚古生代木本石松植物圆印木属Cyclostigma命名中存在的突出问题，包括4个方面：1圆印木属的合格发表和作者引证；2圆印木属的异名、同名和替代名；3圆印木属的保留；4圆印木属的模式。

Botrychium, and in gymnosperms it pushes the embryo into the female gametophyte tissue.

某些种类的石松属植物(例如卷柏属 Selaginella)、少数蕨类(例如阴地蕨属 Botrychium)和裸子植物中胚柄将胚胎推入雌性配子体中。

The middle and upper layers may be composed of Lepidodendron , Cordaites, Calamites and some tree ferns or seed ferns.

群落的中、高层通常是石松纲和科达纲，楔叶纲中Calamites及某些树蕨和种子蕨。

Eusporangiate Describing the condition, found in clubmosses, horsetails, and certain ferns in which the sporangia develop from a group of initial cells and do not have an elaborate spore dispersal mechanism.

厚囊蕨：用来描述发现于石松纲、木贼类以及一些蕨类植物，其孢子囊由一组原始细胞发育而来，没有复杂的孢子散布机制。

Nonetheless, the result showed that Pinus, Ginkgo, Cycas form a monophyletic group, which is sistered to angiosperms. Together, they from a clade that is sistered to Gnetales.

邻近连接法和贝叶氏导出氏分析结果将松叶蕨、瓶尔小草，和生根卷柏的matK序列一起形成一个单源群，同属石松类的过山龙与生根卷柏序列并未形成姐妹群。

Lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae.

与石松科同延的低等脉管植物；在某些分类中，包含卷柏目和水韭目。

Isoetales An order of the LYCOPHYTA containing two genera-Iso-etes, found in most parts of the world, and Stylites, found only in the Peruvian Andes.

水韭目：石松门植物的一个目，包括两个属，水韭属广布于世界各地，剑韭属仅分布于秘鲁安第斯山脉。

In some classifications included in Lycopodiales.

在某些分类中，归于石松目之中。

A family of ferns belonging to the order Lycopodiales.

属于石松属的蕨类植物一科。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。