The male sex organs of bryphytes are called _________? In Adiantum, the rhizome is covered by brownish scales called __________? Family Fabaceae has about ________ genera in Pakistan? The sexual reproduction is said to be oogamous or heterogamous if the two fusing gamentes are __________? The pattern of development in a young, immature frond is called_________? The leaves of class Filicinae are called __________? The sex organs in a moss plant are mixed with sterile hairs called ______?