n.柱头下毛圈，囊群盖，胚被，苞膜，菌伞
Sori hemispheroid , in 2 - 3 series on each side along the costales, without indusium.
孢子囊群圆形,沿中脉两侧各排成2-3行, 无囊群盖.
Sori borne near the costule, indusium spherical, membranous.
孢子囊群靠近中脉著生;囊群盖球形, 膜质.
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