Page:Parsons How to Know the Ferns 7th ed.djvu/249

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INDEX TO TECHNICAL TERMS


Antheridia, 34

Archegonia, 34

Alternation of generations, 33

Asexual generation, 34


Frond, 28

Fertile frond, 3

Fertilization, 34


Indusium, 31


Once-pinnate frond, 30


Pinnatifid frond, 29

Pinnæ, 30

Pinnules, 30

Prothallium, 34


Rachis, 30

Rootstock, 28


Sexual generation, 33

Simple frond, 29

Sori, 30

Sporangia, 30

Spore, 30

Sterile frond, 31


Twice-pinnate frond, 30


Veins, free, 30

215