1.What type of sporangium is found in the marattioid ferns? 2. Name three stem types/habits that occur in the leptosporangiate ferns. 3. What is circinate vernation? What terms are used for immature...

1.What type of sporangium is found in the marattioid ferns? 2. Name three stem types/habits that occur in the leptosporangiate ferns. 3. What is circinate vernation? What terms are used for immature fern leaves that exhibit this? 4. Define frond, stipe, pinna, pinnule.

5. What aspects of venation and scale morphology are useful in leptosporangiate fern classification? 6 What is the major apomorphy of the Polypodiopsida? Describe its development and morphology.