cuticula

The results indicate that transverse section of stem is mutirhomboidal, the cuticulas of cuticle and ventral are thicker in Barbula asperifolia Mitt.

叶背、腹面角质层厚，粗疣不分叉，但顶端朝陷处倾斜；

Under SEM, the cuticula membrane of the leaf epidermis is distinct, and granular, reticulate, scaly or papilliform in shape.

叶表角质层明显，在有以几种类型：颗粒状，网状，鳞片状，乳突状。