2. DIRECTIONS FOR STUDY 

 Polypodium vulgare (COMMON POLYPODY) 



A. Classification: 



Division III. Pteridophyta (fern plants). 

 Class I. Leptosporangiatae. 

 Order. Filicales. 



Family. Polypodiaceae. 



Genus. Polypodium. 



Species, vulgare L. 



B. Habitat: 



i. Record here your knowledge of the habitat of the 

 specimen studied. The information is to be ob- 

 tained from your own observation, and from your 

 reading and class work. 



THE "FERN PLANT" 



C. Naked-eye Characters: 



1. General features. 



(a) Note that the sporophyte is differentiated 

 into root and shoot. 



(b) The leaf portion of the shoot is often called the 

 frond. The fibrous roots and the leaves are 

 borne on an underground stem (rhizome). 



(c) Make a sketch of the entire sporophyte (in- 

 cluding only one leaf). 



2. The rhizome. 



(a) Describe the natural attitude (i.e., erect, or 

 horizontal) of the rhizome. Where does it 

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