55 



A TABLE OF THE 

 SPECIES AND VARIETIES OF BRITISH FEENS, &c. 



I. FERNS, or FILICES. 



POLYPODIACE.E § PoLYTODIE^E. 



Genus 1. POLYPODIUM, Linnceus. 



1. P. vulgare, Linnceus. — Fronds oblong, pinnatifid. Plato 



I. fio-. 2. 

 mr. cristatum. — Fronds pinnatifid, segments and fronds 



tasselled at the apices, 

 mr. semilacernm. — Fronds pinnatifid, lower segments 



again pinnatifid, upper fertile. 

 vcw. cambricum. • — Fronds pinnatifid, segments again 



pinnatifid, all barren. 



2. P. Phegopteris, Linnceus. — Fronds pinnate below ; pin- 



no3 pinnatifid. Plate II. fig. 2, 



o. P. Bryopteris, Linnceus — Fronds ternate, deltoid, gla- 

 brous. Plate II. fig. 1. 



4. P. Robertianum, Hoffmann. — Fronds subternate, elon- 

 gate-deltoid, glandular-mealy. Plate III. fig. 1. 



