cuticula

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

背、腹面厚，粗疣不分叉，但顶端朝细胞凹陷处倾；

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

明显，在电镜下有以下几种类型：颗粒状，网状，鳞片状，乳突状。